HDMI - wikipedia HDMI HDMI ( High - Definition Multimedia Interface ) HDMI official logo and standard connector Type Digital audio / video / data connector Production history Designer HDMI Founders ( 7 companies ) Hitachi Maxell, Ltd. Sanyo Electric Co., Ltd. Koninklijke Philips N.V. Silicon Image Inc. Sony Corporation Technicolor SA Toshiba Corporation HDMI Forum ( 83 companies ) Allion Labs, Inc. Alphaholdings Inc. Advanced Micro Devices, Inc. Analog Devices, Inc. Analogix Semiconductor ARRIS Group Inc. Astrodesign Bitec Bose Corporation Broadcom Corporation Cadence Design Systems, Inc. Chrontel Corning Inc. Crestron Electronics Diodes Incorporated DisplayLink Corp. Dolby Laboratories, Inc. DTS, Inc. Elka Explore Microelectronics Inc. Extron Electronics Foxconn Technology Group Fraunhofer Society Global Unichip Corp. Google Inc. Granite River Labs Inc. Hardent Himax Technologies, Inc. HiSilicon Co., Ltd. Hitachi, Ltd. Hosiden INFOCITY Inc. Intel Corporation Integrated Service Technology Inc. ITE Tech, Inc. Japan Aviation Electronics Industry, Ltd. JCE JVC Kenwood Corp. Korea Electric Terminal Co., Ltd. Keysight Technologies Lattice Semiconductor LG Electronics Marvell Technology Group, Ltd. MediaTek Inc. MegaChips Technology America Corp. Mentor Graphics, Inc. Microsoft Corporation MStar Semiconductor, Inc. Murata Manufacturing Co., Ltd. Netflix Novatek Nvidia Corporation NXP Semiconductors Onkyo Corporation Panasonic Corporation Parade Technologies Philips N.V. Pioneer Corporation Qualcomm, Inc. Realtek Semiconductor Corp. Rohde & Schwarz GmbH & Co. KG Samsung Electronics Co., Ltd. Semtech Corporation Sharp Corporation Sigma Designs Silicon Line Sky plc Sony Corporation Spectra7 Microsystems Inc. STMicroelectronics N.V. Synopsys, Inc. Technicolor SA Tektronix, Inc. Teledyne LeCroy TeVeAe, Inc. Texas Instruments Inc. Toshiba Corporation TP Vision Underwriters Laboratories LLC Valens Semiconductor ViXS Systems Inc. Wilder Technologies, LLC Xilinx, Inc. Designed December 2002 Manufacturer HDMI Adopters ( over 1,700 companies ) Superseded DVI, VGA General specifications Width 13.9 mm ( type A ), 10.42 mm ( type C ), 6.4 mm ( type D ) Height 4.45 mm ( type A ), 2.42 mm ( type C ), 2.8 mm ( type D ) Hot pluggable Yes External Yes Audio signal LPCM, Dolby Digital, DTS, DVD - Audio, Dolby Digital Plus, Dolby TrueHD, DTS - HD High Resolution Audio, DTS - HD Master Audio, MPCM, DSD, DST, Dolby Atmos, DTS : X Video signal Maximum resolution limited by available bandwidth Pins Types A, C, & D ( 19 ), Type B ( 29 ) Data Data signal Yes Bitrate Up to 48 Gbit / s in HDMI 2.1 Protocol TMDS Pin out HDMI type A receptacle ( female ) Pin 1 TMDS Data2+ Pin 2 TMDS Data2 Shield Pin 3 TMDS Data2 − Pin 4 TMDS Data1+ Pin 5 TMDS Data1 Shield Pin 6 TMDS Data1 − Pin 7 TMDS Data0+ Pin 8 TMDS Data0 Shield Pin 9 TMDS Data0 − Pin 10 TMDS Clock+ Pin 11 TMDS Clock Shield Pin 12 TMDS Clock − Pin 13 CEC Pin 14 Reserved ( HDMI 1.0 -- 1.3 c ) Utility / HEAC+ ( HDMI 1.4 +, optional, HDMI Ethernet Channel and Audio Return Channel ) Pin 15 SCL ( I2C serial clock for DDC ) Pin 16 SDA ( I2C serial data for DDC ) Pin 17 Ground ( for DDC, CEC, ARC, and HEC ) Pin 18 + 5 V ( min. 0.055 A ) Pin 19 Hot Plug Detect ( all versions ) HEAC − ( HDMI 1.4 +, optional, HDMI Ethernet Channel and Audio Return Channel ) HDMI ( High - Definition Multimedia Interface ) is a proprietary audio / video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from a HDMI - compliant source device, such as a display controller, to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for analog video standards. HDMI implements the EIA / CEA - 861 standards, which define video formats and waveforms, transport of compressed, uncompressed, and LPCM audio, auxiliary data, and implementations of the VESA EDID. CEA - 861 signals carried by HDMI are electrically compatible with the CEA - 861 signals used by the digital visual interface ( DVI ). No signal conversion is necessary, nor is there a loss of video quality when a DVI - to - HDMI adapter is used. The CEC ( Consumer Electronics Control ) capability allows HDMI devices to control each other when necessary and allows the user to operate multiple devices with one handheld remote control device. Several versions of HDMI have been developed and deployed since initial release of the technology but all use the same cable and connector. Other than improved audio and video capacity, performance, resolution and color spaces, newer versions have optional advanced features such as 3D, Ethernet data connection, and CEC ( Consumer Electronics Control ) extensions. Production of consumer HDMI products started in late 2003. In Europe either DVI - HDCP or HDMI is included in the HD ready in - store labeling specification for TV sets for HDTV, formulated by EICTA with SES Astra in 2005. HDMI began to appear on consumer HDTVs in 2004 and camcorders and digital still cameras in 2006. As of January 6, 2015 ( twelve years after the release of the first HDMI specification ), over 4 billion HDMI devices have been sold. Contents 1 History 2 Specifications 2.1 Audio / video 2.2 Communication channels 2.2. 1 Display Data Channel ( DDC ) 2.2. 2 Transition - Minimized Differential Signaling ( TMDS ) 2.2. 3 Consumer Electronics Control ( CEC ) 2.2. 4 HDMI Ethernet and Audio Return Channel 2.3 Compatibility with DVI 2.4 Content protection ( HDCP ) 2.5 Connectors 2.6 Cables 2.7 Extenders 2.8 Cost 3 Versions 3.1 Version 1.0 3.2 Version 1.1 3.3 Version 1.2 3.4 Version 1.3 3.5 Version 1.4 3.6 Version 2.0 3.7 Version 2.1 3.8 Version comparison 4 Applications 4.1 Blu - ray Disc and HD DVD players 4.2 Digital cameras and camcorders 4.3 Personal computers 4.4 Gaming consoles 4.5 Tablet computers 4.6 Mobile phones 4.7 Legacy compatibility 5 HDMI Alternate Mode for USB Type - C 6 Relationship with DisplayPort 7 Relationship with MHL 8 See also 9 References 10 External links History The HDMI founders are Hitachi, Panasonic, Philips, Silicon Image, Sony, Thomson, RCA and Toshiba. Digital Content Protection, LLC provides HDCP ( which was developed by Intel ) for HDMI. HDMI has the support of motion picture producers Fox, Universal, Warner Bros. and Disney, along with system operators DirecTV, EchoStar ( Dish Network ) and CableLabs. The HDMI founders began development on HDMI 1.0 on April 16, 2002, with the goal of creating an AV connector that was backward - compatible with DVI. At the time, DVI - HDCP ( DVI with HDCP ) and DVI - HDTV ( DVI - HDCP using the CEA - 861 - B video standard ) were being used on HDTVs. HDMI 1.0 was designed to improve on DVI - HDTV by using a smaller connector and adding audio capability and enhanced YCbCr capability and consumer electronics control functions. The first Authorized Testing Center ( ATC ), which tests HDMI products, was opened by Silicon Image on June 23, 2003, in California, United States. The first ATC in Japan was opened by Panasonic on May 1, 2004, in Osaka. The first ATC in Europe was opened by Philips on May 25, 2005, in Caen, France. The first ATC in China was opened by Silicon Image on November 21, 2005, in Shenzhen. The first ATC in India was opened by Philips on June 12, 2008, in Bangalore. The HDMI website contains a list of all the ATCs. According to In - Stat, the number of HDMI devices sold was 5 million in 2004, 17.4 million in 2005, 63 million in 2006, and 143 million in 2007. HDMI has become the de facto standard for HDTVs, and according to In - Stat, around 90 % of digital televisions in 2007 included HDMI. In - Stat has estimated that 229 million HDMI devices were sold in 2008. On April 8, 2008 there were over 850 consumer electronics and PC companies that had adopted the HDMI specification ( HDMI adopters ). On January 7, 2009, HDMI Licensing, LLC announced that HDMI had reached an installed base of over 600 million HDMI devices. In - Stat has estimated that 394 million HDMI devices will sell in 2009 and that all digital televisions by the end of 2009 would have at least one HDMI input. On January 28, 2008, In - Stat reported that shipments of HDMI were expected to exceed those of DVI in 2008, driven primarily by the consumer electronics market. In 2008, PC Magazine awarded a Technical Excellence Award in the Home Theater category for an `` innovation that has changed the world '' to the CEC portion of the HDMI specification. Ten companies were given a Technology and Engineering Emmy Award for their development of HDMI by the National Academy of Television Arts and Sciences on January 7, 2009. On October 25, 2011, the HDMI Forum was established by the HDMI founders to create an open organization so that interested companies can participate in the development of the HDMI specification. All members of the HDMI Forum have equal voting rights, may participate in the Technical Working Group, and if elected can be on the Board of Directors. There is no limit to the number of companies allowed in the HDMI Forum though companies must pay an annual fee of US $ 15,000 with an additional annual fee of $5,000 for those companies who serve on the Board of Directors. The Board of Directors will be made up of 11 companies who are elected every 2 years by a general vote of HDMI Forum members. All future development of the HDMI specification will take place in the HDMI Forum and will be built upon the HDMI 1.4 b specification. Also on the same day HDMI Licensing, LLC announced that there were over 1,100 HDMI adopters and that over 2 billion HDMI - enabled products had shipped since the launch of the HDMI standard. From October 25, 2011, all development of the HDMI specification became the responsibility of the newly created HDMI Forum. On January 8, 2013, HDMI Licensing, LLC announced that there were over 1,300 HDMI adopters and that over 3 billion HDMI devices had shipped since the launch of the HDMI standard. The day also marked the 10 - year anniversary of the release of the first HDMI specification. Specifications The HDMI specification defines the protocols, signals, electrical interfaces and mechanical requirements of the standard. The maximum pixel clock rate for HDMI 1.0 is 165 MHz, which is sufficient to allow 1080p and WUXGA ( 1920 × 1200 ) at 60 Hz. HDMI 1.3 increases that to 340 MHz, which allows for higher resolution ( such as WQXGA, 2560 × 1600 ) across a single digital link. An HDMI connection can either be single - link ( type A / C / D ) or dual - link ( type B) and can have a video pixel rate of 25 MHz to 340 MHz ( for a single - link connection ) or 25 MHz to 680 MHz ( for a dual - link connection ). Video formats with rates below 25 MHz ( e.g., 13.5 MHz for 480i / NTSC ) are transmitted using a pixel - repetition scheme. Audio / video HDMI uses the Consumer Electronics Association / Electronic Industries Alliance 861 standards. HDMI 1.0 to HDMI 1.2 a uses the EIA / CEA - 861 - B video standard, HDMI 1.3 uses the CEA - 861 - D video standard, and HDMI 1.4 uses the CEA - 861 - E video standard. The CEA - 861 - E document defines `` video formats and waveforms ; colorimetry and quantization ; transport of compressed and uncompressed, as well as Linear Pulse Code Modulation ( LPCM ), audio ; carriage of auxiliary data ; and implementations of the Video Electronics Standards Association ( VESA ) Enhanced Extended Display Identification Data Standard ( E-EDID ) ''. On July 15, 2013, the CEA announced the publication of CEA - 861 - F which is a standard that can be used by interfaces such as DVI, HDMI, and LVDS. CEA - 861 - F adds the ability to transmit several Ultra HD video formats and additional color spaces. To ensure baseline compatibility between different HDMI sources and displays ( as well as backward compatibility with the electrically compatible DVI standard ) all HDMI devices must implement the sRGB color space at 8 bits per component. Ability to use the YCbCr color space and higher color depths ( `` deep color '' ) is optional. HDMI permits sRGB 4 : 4 : 4 chroma subsampling ( 8 -- 16 bits per component ), xvYCC 4 : 4 : 4 chroma subsampling ( 8 -- 16 bits per component ), YCbCr 4 : 4 : 4 chroma subsampling ( 8 -- 16 bits per component ), or YCbCr 4 : 2 : 2 chroma subsampling ( 8 -- 12 bits per component ). The color spaces that can be used by HDMI are ITU - R BT. 601, ITU - R BT. 709 - 5 and IEC 61966 - 2 - 4. For digital audio, if an HDMI device has audio, it is required to implement the baseline format : stereo ( uncompressed ) PCM. Other formats are optional, with HDMI allowing up to 8 channels of uncompressed audio at sample sizes of 16 - bit, 20 - bit and 24 - bit, with sample rates of 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz and 192 kHz. HDMI also carries any IEC 61937 - compliant compressed audio stream, such as Dolby Digital and DTS, and up to 8 channels of one - bit DSD audio ( used on Super Audio CDs ) at rates up to four times that of Super Audio CD. With version 1.3, HDMI allows lossless compressed audio streams Dolby TrueHD and DTS - HD Master Audio. As with the YCbCr video, audio capability is optional. Audio return channel ( ARC ) is a feature introduced in the HDMI 1.4 standard. `` Return '' refers to the case where the audio comes from the TV and can be sent `` upstream '' to the AV receiver using the HDMI cable connected to the AV receiver. An example given on the HDMI website is that a TV that directly receives a terrestrial / satellite broadcast, or has a video source built in, sends the audio `` upstream '' to the AV receiver. The HDMI standard was not designed to pass closed caption data ( for example, subtitles ) to the television for decoding. As such, any closed caption stream must be decoded and included as an image in the video stream ( s ) prior to transmission over an HDMI cable to be viewed on the DTV. This limits the caption style ( even for digital captions ) to only that decoded at the source prior to HDMI transmission. This also prevents closed captions when transmission over HDMI is required for upconversion. For example, a DVD player that sends an upscaled 720p / 1080i format via HDMI to an HDTV has no way to pass Closed Captioning data so that the HDTV can decode it, as there is no line 21 VBI in that format. Communication channels HDMI has three physically separate communication channels, which are the DDC, TMDS and the optional CEC. HDMI 1.4 added ARC and HEC. Display data channel ( DDC ) Main article : Display Data Channel The Display Data Channel ( DDC ) is a communication channel based on the I2C bus specification. HDMI specifically requires the device implement the Enhanced Display Data Channel ( E-DDC ), which is used by the HDMI source device to read the E-EDID data from the HDMI sink device to learn what audio / video formats it can take. HDMI requires that the E-DDC implement I2C standard mode speed ( 100 kbit / s ) and allows it to optionally implement fast mode speed ( 400 kbit / s ). The DDC channel is actively used for High - bandwidth Digital Content Protection ( HDCP ). Transition - minimized differential signaling ( TMDS ) Transition - minimized differential signaling ( TMDS ) on HDMI interleaves video, audio and auxiliary data using three different packet types, called the Video Data Period, the Data Island Period and the Control Period. During the Video Data Period, the pixels of an active video line are transmitted. During the Data Island period ( which occurs during the horizontal and vertical blanking intervals ), audio and auxiliary data are transmitted within a series of packets. The Control Period occurs between Video and Data Island periods. Both HDMI and DVI use TMDS to send 10 - bit characters that are encoded using 8b / 10b encoding that differs from the original IBM form for the Video Data Period and 2b / 10b encoding for the Control Period. HDMI adds the ability to send audio and auxiliary data using 4b / 10b encoding for the Data Island Period. Each Data Island Period is 32 pixels in size and contains a 32 - bit Packet Header, which includes 8 bits of BCH ECC parity data for error correction and describes the contents of the packet. Each packet contains four subpackets, and each subpacket is 64 bits in size, including 8 bits of BCH ECC parity data, allowing for each packet to carry up to 224 bits of audio data. Each Data Island Period can contain up to 18 packets. Seven of the 15 packet types described in the HDMI 1.3 a specifications deal with audio data, while the other 8 types deal with auxiliary data. Among these are the General Control Packet and the Gamut Metadata Packet. The General Control Packet carries information on AVMUTE ( which mutes the audio during changes that may cause audio noise ) and Color Depth ( which sends the bit depth of the current video stream and is required for deep color ). The Gamut Metadata Packet carries information on the color space being used for the current video stream and is required for xvYCC. Consumer Electronics control ( CEC ) Main article : Consumer Electronics Control Consumer Electronics Control ( CEC ) is an HDMI feature designed to allow the user to command and control up to 15 CEC - enabled devices, that are connected through HDMI, by using only one of their remote controls ( for example by controlling a television set, set - top box, and DVD player using only the remote control of the TV ). CEC also allows for individual CEC - enabled devices to command and control each other without user intervention. It is a one - wire bidirectional serial bus that is based on the CENELEC standard AV. link protocol to perform remote control functions. CEC wiring is mandatory, although implementation of CEC in a product is optional. It was defined in HDMI Specification 1.0 and updated in HDMI 1.2, HDMI 1.2 a and HDMI 1.3 a ( which added timer and audio commands to the bus ). USB to CEC adapters exist that allow a computer to control CEC - enabled devices. HDMI Ethernet and audio Return channel Introduced in HDMI 1.4, HDMI Ethernet and Audio Return Channel ( HEAC ) adds a high - speed bidirectional data communication link ( HEC ) and the ability to send audio data upstream to the source device ( ARC ). HEAC utilizes two lines from the connector : the previously unused Reserved pin ( called HEAC+ ) and the Hot Plug Detect pin ( called HEAC − ). If only ARC transmission is required, a single mode signal using the HEAC+ line can be used, otherwise, HEC is transmitted as a differential signal over the pair of lines, and ARC as a common mode component of the pair. Audio Return Channel ( ARC ) ARC is an audio link meant to replace other cables between the TV and the A / V receiver or speaker system. This direction is used when the TV is the one that generates or receives the video stream instead of the other equipment. A typical case is the running of an app on a smart TV such as Netflix, but reproduction of audio is handled by the other equipment. Without ARC, the audio output from the TV needs to be routed by another cable, typically TOS - Link or coax, into the speaker system. HDMI Ethernet Channel ( HEC ) HDMI Ethernet Channel technology consolidates video, audio, and data streams into a single HDMI cable, and the HEC feature enables IP - based applications over HDMI and provides a bidirectional Ethernet communication at 100 Mbit / s. The physical layer of the Ethernet implementation uses a hybrid to simultaneously send and receive attenuated 100BASE - TX type signals through a single twisted pair. Compatibility with DVI An adapter with HDMI ( male ) and DVI ( female ) connectors An adapter with DVI and HDMI ( female ) connectors HDMI is backward compatible with single - link Digital Visual Interface digital video ( DVI - D or DVI - I, but not DVI - A ). No signal conversion is required when an adapter or asymmetric cable is used, so there is no loss of video quality. From a user 's perspective, an HDMI display can be driven by a single - link DVI - D source, since HDMI and DVI - D define an overlapping minimum set of allowed resolutions and framebuffer formats to ensure a basic level of interoperability. In the reverse case a DVI - D monitor would have the same level of basic interoperability unless there are content protection issues with High - bandwidth Digital Content Protection ( HDCP ) or the HDMI color encoding is in component color space YCbCr which is not possible in DVI, instead of RGB. An HDMI source such as a Blu - ray player may demand HDCP - compliance of the display, and refuse to output HDCP - protected content to a non-compliant display. A further complication is that there is a small amount of display equipment, such as some high - end home theater projectors, designed with HDMI inputs but not HDCP - compliant. Any DVI - to - HDMI adapter can function as an HDMI - to - DVI adapter ( and vice versa ). Typically, the only limitation is the gender of the adapter 's connectors and the gender of the cables and sockets it is used with. Features specific to HDMI, such as remote - control and audio transport, are not available in devices that use legacy DVI - D signalling. However, many devices output HDMI over a DVI connector ( e.g. ATI 3000 - series and NVIDIA GTX 200 - series video cards ), and some multimedia displays may accept HDMI ( including audio ) over a DVI input. Exact capabilities beyond basic compatibility vary from product to product. Adapters are generally bi-directional. Content Protection ( HDCP ) Main article : High - bandwidth Digital Content Protection High - bandwidth Digital Content Protection ( HDCP ) is a newer form of digital rights management. Intel created the original technology to make sure that digital content followed the guidelines set by the Digital Content Protection group. HDMI can use HDCP to encrypt the signal if required by the source device. CSS, CPRM and AACS require the use of HDCP on HDMI when playing back encrypted DVD Video, DVD Audio, HD DVD and Blu - ray Disc. The HDCP Repeater bit controls the authentication and switching / distribution of an HDMI signal. According to HDCP Specification 1.2 ( beginning with HDMI CTS 1.3 a ), any system that implements HDCP must do so in a fully compliant manner. HDCP testing that was previously only a requirement for optional tests such as the `` Simplay HD '' testing program is now part of the requirements for HDMI compliance. HDCP allows for up to 127 devices to be connected, with up to 7 levels, using a combination of sources, sinks and repeaters. A simple example of this is several HDMI devices connected to an HDMI AV receiver that is connected to an HDMI display. Devices called HDCP strippers can remove the HDCP information from the video signal so the video can play on non-HDCP - compliant displays, though a fair use and non-disclosure form must usually be signed with a registering agency before use. Connectors Connector types for HDMI. HDMI connector plugs ( male ) : Type D ( Micro ), Type C ( Mini ), and Type A. HDMI type A receptacle ( female ) connector There are five HDMI connector types. Type A / B are defined in the HDMI 1.0 specification, type C is defined in the HDMI 1.3 specification, and type D / E are defined in the HDMI 1.4 specification. Type A The plug ( male ) connector outside dimensions are 13.9 mm × 4.45 mm, and the receptacle ( female ) connector inside dimensions are 14 mm × 4.55 mm. There are 19 pins, with bandwidth to carry all SDTV, EDTV, HDTV, and 4K UHD modes. It is electrically compatible with single - link DVI - D. Type B This connector is 21.2 mm × 4.45 mm and has 29 pins, carrying six differential pairs instead of three, for use with very high - resolution displays such as WQUXGA ( 3,840 × 2,400 ). It is electrically compatible with dual - link DVI - D, but has not yet been used in any products. With the introduction of HDMI 1.3, the maximum bandwidth of single - link HDMI exceeded that of dual - link DVI - D. As of HDMI 1.4, the pixel clock rate crossover frequency from single to dual - link has not been defined. Type C This Mini connector is smaller than the type A plug, measuring 10.42 mm × 2.42 mm but has the same 19 - pin configuration. It is intended for portable devices. The differences are that all positive signals of the differential pairs are swapped with their corresponding shield, the DDC / CEC Ground is assigned to pin 13 instead of pin 17, the CEC is assigned to pin 14 instead of pin 13, and the reserved pin is 17 instead of pin 14. The type C Mini connector can be connected to a type A connector using a type A-to - type C cable. Type D This Micro connector shrinks the connector size to something resembling a micro-USB connector, measuring only 6.4 mm × 2.8 mm For comparison, a micro-USB connector is 6.85 mm × 1.8 mm and a USB Type - A connector is 11.5 mm × 4.5 mm. It keeps the standard 19 pins of types A and C, but the pin assignment is different from both. Type E The Automotive Connection System has a locking tab to keep the cable from vibrating loose and a shell to help prevent moisture and dirt from interfering with the signals. A relay connector is available for connecting standard consumer cables to the automotive type. The HDMI alternate mode enables the reversible USB - C connector to be used with the HDMI source devices ( mobile, tablet, laptop ). This cable will connect to video display / sink devices using any of the native HDMI connectors. This is an HDMI cable, in this case a USB - C to HDMI cable. Cables A standard HDMI cable. An HDMI cable is composed of four shielded twisted pairs, with impedance of the order of 100 Ω ( ± 15 % ), plus seven separate conductors. HDMI cables with Ethernet differ in that three of the separate conductors instead form an additional shielded twisted pair ( with the CEC / DDC ground as a shield ). Although no maximum length for an HDMI cable is specified, signal attenuation ( dependent on the cable 's construction quality and conducting materials ) limits usable lengths in practice and certification is difficult to achieve for lengths beyond 13 m. HDMI 1.3 defines two cable categories : Category 1 - certified cables, which have been tested at 74.5 MHz ( which would include resolutions such as 720p60 and 1080i60 ), and Category 2 - certified cables, which have been tested at 340 MHz ( which would include resolutions such as 1080p60 and 2160p30 ). Category 1 HDMI cables are marketed as `` Standard '' and Category 2 HDMI cables as `` High Speed ''. This labeling guideline for HDMI cables went into effect on October 17, 2008. Category 1 and 2 cables can either meet the required parameter specifications for interpair skew, far - end crosstalk, attenuation and differential impedance, or they can meet the required nonequalized / equalized eye diagram requirements. A cable of about 5 meters ( 16 feet ) can be manufactured to Category 1 specifications easily and inexpensively by using 28 AWG ( 0.081 mm2 ) conductors. With better quality construction and materials, including 24 AWG ( 0.205 mm2 ) conductors, an HDMI cable can reach lengths of up to 15 meters ( 49 feet ). Many HDMI cables under 5 meters of length that were made before the HDMI 1.3 specification can work as Category 2 cables, but only Category 2 - tested cables are guaranteed to work for Category 2 purposes. As of the HDMI 1.4 specification, the following cable types are defined for HDMI in general : Standard HDMI Cable -- up to 1080i and 720p Standard HDMI Cable with Ethernet Standard Automotive HDMI Cable High Speed HDMI Cable -- 1080p, 4K 30 Hz, 3D and deep color High Speed HDMI Cable with Ethernet A third category of cable was introduced in October 2015 to certify that cables work at the 18 Gbit / s maximum bandwidth of the HDMI 2.0 specification. This category tests cables at 600 MHz ( 2160p60 resolution ), certifying them as Premium High Speed. In addition to expanding the set of cable testing requirements, the certification program introduces an EMI test to ensure cables minimize interference with wireless signals. These cables are marked with an anti-counterfeiting authentication label and are defined as : Premium High Speed HDMI Cable -- 4K 60 Hz, Rec. 2020, and HDR Premium High Speed HDMI Cable with Ethernet In conjunction with the HDMI 2.1 specification, a fourth category of cable was announced on January 4, 2017, called `` 48G ''. The cable is designed to support the 48 Gbit / s bandwidth of HDMI 2.1, supporting 4K, 5K, 8K and 10K at 120 Hz. The cable is backwards compatible with the earlier HDMI devices, using existing HDMI type A, C and D connectors, and includes HDMI Ethernet. 48G Cable -- 4K, 5K, 8K and 10K at 120 Hz Extenders An HDMI extender is a single device ( or pair of devices ) powered with an external power source or with the 5V DC from the HDMI source. Long cables can cause instability of HDCP and blinking on the screen, due to the weakened DDC signal that HDCP requires. HDCP DDC signals must be multiplexed with TMDS video signals to be compliant with HDCP requirements for HDMI extenders based on a single Category 5 / Category 6 cable. Several companies offer amplifiers, equalizers and repeaters that can string several standard HDMI cables together. Active HDMI cables use electronics within the cable to boost the signal and allow for HDMI cables of up to 30 meters ( 98 feet ) ; those based on HDBaseT can extend to 100 meters ; HDMI extenders that are based on dual Category 5 / Category 6 cable can extend HDMI to 250 meters ( 820 feet ) ; while HDMI extenders based on optical fiber can extend HDMI to 300 meters ( 980 feet ). Cost HDMI manufacturers pay an annual fee of US $ 10,000 plus a royalty rate of $0.15 per unit, reduced to $0.05 if the HDMI logo is used, and further reduced to $0.04 if HDCP is also implemented. An alternative fee for HDMI manufacturers making fewer than 10,000 units per year is an annual fee of $5,000 with a royalty rate of $1 per unit. The royalty only applies to final products and does not apply to products that are included in, or with, a licensed HDMI product that is already subject to the royalty. For example, an HDMI cable sold directly to consumers is paid for by the cable manufacturer ; however, if the cable manufacturer sells the HDMI cable to a HDTV manufacturer ( who then includes the cable with an HDTV subject to the royalty ) then the HDTV manufacturer pays only the royalty on the HDTV. Versions HDMI devices are manufactured to adhere to various versions of the specification, in which each version is given a number or letter, such as 1.0, 1.2, or 1.4 b. Each subsequent version of the specification uses the same kind of cable but increases the bandwidth or capabilities of what can be transmitted over the cable. A product listed as having an HDMI version does not necessarily mean that it will have all of the features that are listed for that version, since some HDMI features are optional, such as deep color and xvYCC ( which is branded by Sony as `` x.v. Color '' ). Note that with the release of the version 1.4 cable, the HDMI Licensing LLC group ( which oversees the HDMI standard ) will require that any reference to version numbers be removed from all packaging and advertising for the cable. Non-cable HDMI products starting on January 1, 2012 will no longer be allowed to reference the HDMI number and will be required to state which features of the HDMI specification the product implements. Version 10 HDMI 1.0 was released on December 9, 2002 and is a single - cable digital audio / video connector interface. The link architecture is based on DVI, using exactly the same video transmission format but sending audio and other auxiliary data during the blanking intervals of the video stream. HDMI 1.0 allows a maximum TMDS clock of 165 MHz ( 4.95 Gbit / s ), the same as DVI. It defined two connectors called Type A and Type B, with pinouts based on the Single - Link DVI - D and Dual - Link DVI - D connectors respectively, though the Type B connector was never used in any commercial products. HDMI 1.0 uses 8b / 10b encoding for video transmission, giving it 3.96 Gbit / s of video bandwidth ( 1920 × 1080 or 1920 × 1200 at 60 Hz ) and 8 channel LPCM / 192 kHz / 24 - bit audio. HDMI 1.0 supported only 24 bit / px color depth and required support for RGB video, with optional support for YC C 4 : 4 : 4 and 4 : 2 : 2 ( mandatory if the device had support for YC C on other interfaces ). Only the Rec. 601 and Rec. 709 color spaces were supported. HDMI 1.0 allowed only specific pre-defined video formats to be transmitted, including all the formats defined in EIA / CEA - 861 - B as well as some additional formats listed in the HDMI Specification itself. All HDMI sources are also required to be capable of sending or receiving native Single - Link DVI video and be fully compliant with the DVI Specification. Version 11 HDMI 1.1 was released on May 20, 2004 and added DVD - Audio. Version 12 HDMI 1.2 was released on August 8, 2005 and added the option of One Bit Audio, used on Super Audio CDs, at up to 8 channels. To make HDMI more suitable for use on PC devices, version 1.2 also removed the requirement that only explicitly supported formats be used. It added the ability for manufacturers to create vendor - specific formats, allowing any arbitrary resolution and refresh rate rather than being limited to a pre-defined list of supported formats. In addition, it added explicit support for several new formats including 720p at 100 and 120 Hz and relaxed the pixel format support requirements so that sources with only native RGB output ( PC sources ) would not be required to support YC C output. HDMI 1.2 a was released on December 14, 2005 and fully specifies Consumer Electronic Control ( CEC ) features, command sets and CEC compliance tests. Version 1.3 HDMI 1.3 was released on June 22, 2006 and increased the maximum TMDS clock to 340 MHz ( 10.2 Gbit / s ). Like previous versions, it uses 8b / 10b encoding, giving it a maximum video bandwidth of 8.16 Gbit / s ( 1920 × 1080 at 120 Hz or 2560 × 1440 at 60 Hz ). It added support for 10 bpc, 12 bpc, and 16 bpc color depth ( 30, 36, and 48 bit / px ), called deep color. It also added support for the xvYCC color space, in addition to the Rec. 601 and Rec. 709 color spaces supported by previous versions, and added the ability to carry metadata defining color gamut boundaries. It also optionally allows output of Dolby TrueHD and DTS - HD Master Audio streams for external decoding by AV receivers. It incorporates automatic audio syncing ( audio video sync ) capability. It defined cable Categories 1 and 2, with Category 1 cable being tested up to 74.25 MHz and Category 2 being tested up to 340 MHz. It also added the new type C Mini connector for portable devices. HDMI 1.3 a was released on November 10, 2006 and had Cable and Sink modifications for type C, source termination recommendations, and removed undershoot and maximum rise / fall time limits. It also changed CEC capacitance limits, and CEC commands for timer control were brought back in an altered form, with audio control commands added. It also added the optional ability to stream SACD in its bitstream DST format rather than uncompressed raw DSD. Version 1.4 HDMI 1.4 with audio return channel HDMI 1.4 was released on May 28, 2009, and the first HDMI 1.4 products were available in the second half of 2009. HDMI 1.4 added support for 4K × 2K, i.e. 4096 × 2160 at 24 Hz ( which is a resolution used with digital theaters ), 3840 × 2160 ( Ultra HD ) at 24 Hz / 25 Hz / 30 Hz, and support for 1080p at 120 Hz. It also added an HDMI Ethernet Channel ( HEC ) which allows for a 100 Mbit / s Ethernet connection between the two HDMI connected devices so they can share an Internet connection, introduced an audio return channel ( ARC ), 3D Over HDMI, a new Micro HDMI Connector, an expanded set of color spaces with the addition of sYCC601, Adobe RGB and Adobe YCC601, and an Automotive Connection System. HDMI 1.4 defined several stereoscopic 3D formats including field alternative ( interlaced ), frame packing ( a full resolution top - bottom format ), line alternative full, side - by - side half, side - by - side full, 2D + depth, and 2D + depth + graphics + graphics depth ( WOWvx ). HDMI 1.4 requires that 3D displays implement the frame packing 3D format at either 720p50 and 1080p24 or 720p60 and 1080p24. High Speed HDMI cables as defined in HDMI 1.3 work with all HDMI 1.4 features except for the HDMI Ethernet Channel, which requires the new High Speed HDMI Cable with Ethernet defined in HDMI 1.4. HDMI 1.4 a was released on March 4, 2010 and adds two additional mandatory 3D formats for broadcast content, which was deferred with HDMI 1.4 in order to see the direction of the 3D broadcast market. HDMI 1.4 a has defined mandatory 3D formats for broadcast, game, and movie content. HDMI 1.4 a requires that 3D displays implement the frame packing 3D format at either 720p50 and 1080p24 or 720p60 and 1080p24, side - by - side horizontal at either 1080i50 or 1080i60, and top - and - bottom at either 720p50 and 1080p24 or 720p60 and 1080p24. HDMI 1.4 b was released on October 11, 2011,, containing only minor clarifications to the 1.4 a document. HDMI 1.4 b is the last version of the standard that HDMI Licensing, LLC is responsible for. All future versions of the HDMI Specification will be produced by the HDMI Forum, created on October 25, 2011. Version 2.0 HDMI 2.0, referred to by some manufacturers as HDMI UHD, was released on September 4, 2013. HDMI 2.0 increases the maximum TMDS clock to 600 MHz ( 18.0 Gbit / s ). HDMI 2.0 uses 8b / 10b encoding for video transmission like previous versions, giving it a maximum video bandwidth of 14.4 Gbit / s. This enables HDMI 2.0 to carry 4K video at 60 Hz with 24 bit / px color depth. Other features of HDMI 2.0 include support for the Rec. 2020 color space, up to 32 audio channels, up to 1536 kHz audio sample frequency, dual video streams to multiple users on the same screen, up to four audio streams, 4 : 2 : 0 chroma subsampling, 25 fps 3D formats, support for the 21 : 9 aspect ratio, dynamic synchronization of video and audio streams, the HE - AAC and DRA audio standards, improved 3D capability, and additional CEC functions. HDMI 2.0 a was released on April 8, 2015 and added support for High Dynamic Range ( HDR ) video with static metadata. HDMI 2.0 b was released March, 2016. HDMI 2.0 b initially supported the same HDR10 standard as HDMI 2.0 a as specified in the CTA - 861.3 specification. In December 2016 additional support for HDR Video transport was added to HDMI 2.0 b in the recently released CTA - 861 - G specification which extends the static metadata signaling to include Hybrid Log - Gamma ( HLG ). Version 2.1 HDMI 2.1 was officially announced by HDMI Forum on January 4, 2017. HDMI 2.1 added support for Dynamic HDR which is dynamic metadata that allows for changes on a scene - by - scene or frame - by - frame basis. It will also support higher resolutions and higher refresh rates which includes 4K / 120 Hz and 8K / 120 Hz. HDMI 2.1 specified a new 48G cable which supports a bandwidth of 48 Gbit / s and it uses HDMI type A, C and D connectors. Additional details for HDMI 2.1 : Maximum resolution is 10K at 120 Hz Dynamic HDR for specifying HDR metadata on a scene - by - scene or even a frame - by - frame basis Display Stream Compression ( DSC ) 1.2 for video that is higher than 8K with 4 : 2 : 0 chroma sub-sampling High Frame Rate ( HFR ) for 4K, 8K, and 10K which allows for refresh rates of up to 120 Hz Game Mode VRR which allows for variable refresh rates ( VRR ) for more fluid motion in games Enhanced Audio Return Channel ( eARC ) for object - based audio formats such as Dolby Atmos and DTS : X For video resolutions and refresh rates up to and including 4K / 60 Hz, the Dynamic HDR, Game Mode VRR and eARC features are supported with the existing HDMI cables. Higher resolutions and refresh rates than 4K / 60 Hz, such as 4K / 120 Hz and 8K / 60 Hz, require new 48G cables. The increase in maximum bandwidth is achieved by raising the lane speed from 6 Gbit / s to 12 Gbit / s and increasing the number of AV data lanes from 3 to 4 ( i.e. using all 4 lanes to carry data ). The data lanes runs in inverted clock mode and embeds the clock signal in itself. This allows the clock lane to be used for data ( in addition to the existing three data lanes ). The lane data structure has been changed to a packet - based format. The lane encoding is changed from 8b / 10b to 16b / 18b ( reducing the overhead from 20 % to 11 % ). The doubling of lane rate and increasing of data lanes from 3 to 4, raises the effective bandwidth to 48 Gbit / s ( i.e. 18 Gbit / s * 2 * 4 / 3 ). On using DSC, it has got a maximum compression of 3 : 1 and this effectively increases the bandwidth to 144 Gbit / s ( i.e. 18 Gbit / s * 2 * 4 / 3 * 3 ). This much bandwidth can be used for sending up to 10K / 60 Hz video in 4 : 4 : 4 format with 24 - bit color ( i.e. 4K / 60Hz * 4 * 16 / 9 ). Using a different chroma sub-sampling format ( 4 : 2 : 2 or 4 : 2 : 0 ) enables to use even higher refresh rates ( e.g. 10K / 120 Hz in 4 : 2 : 0 format ) or higher color depths ( e.g. 30 / 36 / 48 - bit ). Version comparison Note that a given product may choose to implement a subset of the given HDMI version. Certain features such as deep color and xvYCC are optional. Main Specifications HDMI Version 1.0 -- 1.2 a 1.3 -- 1.3 a 1.4 -- 1.4 b 2.0 -- 2.0 b 2.1 Release Date Dec 2002 ( 1.0 ) May 2004 ( 1.1 ) Aug 2005 ( 1.2 ) Dec 2005 ( 1.2 a ) Jun 2006 ( 1.3 ) Nov 2006 ( 1.3 a ) Jun 2009 ( 1.4 ) Mar 2010 ( 1.4 a ) Oct 2011 ( 1.4 b ) Sep 2013 ( 2.0 ) Apr 2015 ( 2.0 a ) Mar 2016 ( 2.0 b ) Unreleased Signal Specifications Transmission Bandwidth 4.95 Gbit / s 10.2 Gbit / s 10.2 Gbit / s 18.0 Gbit / s 48.0 Gbit / s Maximum Data Rate 3.96 Gbit / s 8.16 Gbit / s 8.16 Gbit / s 14.4 Gbit / s 42. 6 Gbit / s TMDS Clock 165 MHz 340 MHz 340 MHz 600 MHz 1200 MHz TMDS Channels Encoding Scheme 8b / 10b 8b / 10b 8b / 10b 8b / 10b 16b / 18b Compression ( Optional ) - - - - DSC 1.2 Color Format Support RGB Yes Yes Yes Yes Yes YC C 4 : 4 : 4 Yes Yes Yes Yes Yes YC C 4 : 2 : 2 Yes Yes Yes Yes Yes YC C 4 : 2 : 0 No No No Yes Yes Color Depth Support 08 bpc ( 24 bit / px ) Yes Yes Yes Yes Yes 10 bpc ( 30 bit / px ) Yes Yes Yes Yes Yes 12 bpc ( 36 bit / px ) Yes Yes Yes Yes Yes 16 bpc ( 48 bit / px ) No Yes Yes Yes Yes Color Space Support SMPTE 170M Yes Yes Yes Yes Yes ITU - R BT. 601 Yes Yes Yes Yes Yes ITU - R BT. 709 Yes Yes Yes Yes Yes sRGB No Yes Yes Yes Yes xvYCC No Yes Yes Yes Yes sYCC No No Yes Yes Yes Adobe No No Yes Yes Yes Adobe RGB ( 1998 ) No No Yes Yes Yes ITU - R BT. 2020 No No No Yes Yes Audio Specifications Max. Sample Rate Per Channel 192 kHz 192 kHz 192 kHz 192 kHz 192 kHz Max. Aggegrate Sample Rate ? ? 768 kHz 1536 kHz 1536 kHz Sample Size 16 -- 24 bits 16 -- 24 bits 16 -- 24 bits 16 -- 24 bits 16 -- 24 bits Maximum Audio Channels 8 8 8 32 32 1.0 -- 1.2 a 1.3 -- 1.3 a 1.4 -- 1.4 b 2.0 -- 2.0 b 2.1 HDMI Version Jump up ^ Total transmission bandwidth is equal to the number of TMDS channels multiplied by the bandwidth per channel. Each channel transmits one bit per signal pulse, and pulses at ten times the TMDS clock frequency. In summary, total bandwidth ( in Mbit / s ) = 10 × ( TMDS clock in MHz ) × ( # of TMDS channels ). Jump up ^ Only a certain portion of the transmission bandwidth is used for sending data due to overhead from the encoding scheme. Jump up ^ 8b / 10b encoding uses 10 bits of bandwidth to send 8 bits of data, so only 80 % of the bandwidth is available for data throughput. 16b / 18b encoding uses 18 bits of bandwidth to send 16 bits of data, so 88. 8 % of the bandwidth is available for data throughput. ^ Jump up to : HDMI 1.0 and 1.1 permit 10 bpc and 12 bpc color depth only when YC C 4 : 2 : 2 color format is used. When using RGB or YC C 4 : 4 : 4, only 8 bpc color is permitted. Refresh Frequency Limits at Various Resolutions HDMI 1.0 and 1.1 are restricted to transmitting only certain video formats, defined in EIA / CEA - 861 - B and in the HDMI Specification itself. HDMI 1.2 and all later versions allow any arbitrary resolution and frame rate ( within the bandwidth limit ) ; any formats that are not supported by the HDMI Specification ( i.e. no standardized timings defined ) may be implemented as a vendor - specific format. Although successive versions of the HDMI Specification continue to add support for additional formats ( such as 4K resolutions ), the added support is to establish standardized timings to ensure interoperability between products, not to establish what formats are and are n't permitted, and video formats do not require explicit support from the HDMI Specification in order to be displayed. Uncompressed 8 bpc ( 24 bit / px ) color depth and RGB or YC C 4 : 4 : 4 color format are assumed on this table except where noted. Video Format HDMI Version / Maximum Data Rate Shorthand Resolution Refresh Rate ( Hz ) Data Rate Required 1.0 -- 1.1 1.2 -- 1.2 a 1.3 -- 1.4 b 2.0 -- 2.0 b 2.1 3.96 Gbit / s 3.96 Gbit / s 8.16 Gbit / s 14.4 Gbit / s 42. 6 Gbit / s 720p 1280 × 720 24 576 Mbit / s Yes Yes Yes Yes Yes 30 720 Mbit / s Yes Yes Yes Yes Yes 60 1.45 Gbit / s Yes Yes Yes Yes Yes 120 2.99 Gbit / s No Yes Yes Yes Yes 1080p 1920 × 1080 24 1.26 Gbit / s Yes Yes Yes Yes Yes 30 1.58 Gbit / s Yes Yes Yes Yes Yes 60 3.20 Gbit / s Yes Yes Yes Yes Yes 120 6.59 Gbit / s No No Yes Yes Yes 144 8.00 Gbit / s No No Yes Yes Yes 240 14.00 Gbit / s No No No Yes Yes 1440p 2560 × 1440 30 2.78 Gbit / s No Yes Yes Yes Yes 60 5.63 Gbit / s No No Yes Yes Yes 75 7.09 Gbit / s No No Yes Yes Yes 120 11.59 Gbit / s No No No Yes Yes 144 14.08 Gbit / s No No No Yes Yes 240 24.62 Gbit / s No No No No Yes 4K 3840 × 2160 30 6.18 Gbit / s No No Yes Yes Yes 60 12.54 Gbit / s No No No Yes Yes 75 15.79 Gbit / s No No No No Yes 120 25.82 Gbit / s No No No No Yes 144 31.35 Gbit / s No No No No Yes 240 54.84 Gbit / s No No No No Yes 5K 5120 × 2880 30 10.94 Gbit / s No No No Yes Yes 60 22.18 Gbit / s No No No No Yes 120 45.66 Gbit / s No No No No Yes 8K 7680 × 4320 30 24.48 Gbit / s No No No No Yes 60 49.65 Gbit / s No No No No Yes 120 102.2 Gbit / s No No No No Yes 1.0 -- 1.1 1.2 -- 1.2 a 1.3 -- 1.4 b 2.0 -- 2.0 b 2.1 HDMI Version Jump up ^ Uncompressed 8 bpc ( 24 bit / px ) color depth with RGB or YC C 4 : 4 : 4 color format and CVT - R2 timing are used to calculate these data rates. Uncompressed data rate for RGB images in bits per second is calculated as bits per pixel × pixels per frame × frames per second. Pixels per frame includes blanking intervals as defined by CVT - R2. ^ Jump up to : Only possible by using Display Stream Compression ( DSC ) Refresh Frequency Limits for HDR10 Video HDR10 requires 10 bpc ( 30 bit / px ) color depth, which uses 25 % more bandwidth than standard 8 bpc video. Uncompressed 10 bpc color depth and RGB or YC C 4 : 4 : 4 color format are assumed on this table except where noted. Video Format HDMI Version / Maximum Data Rate Shorthand Resolution Refresh Rate ( Hz ) Data Rate Required 2.0 a -- 2.0 b 2.1 14.4 Gbit / s 42. 6 Gbit / s 1080p 1920 × 1080 60 4.00 Gbit / s Yes Yes 120 8.24 Gbit / s Yes Yes 144 10.00 Gbit / s Yes Yes 240 17.50 Gbit / s Yes Yes 1440p 2560 × 1440 60 7.04 Gbit / s Yes Yes 100 11.96 Gbit / s Yes Yes 120 14.49 Gbit / s Yes Yes 240 30.77 Gbit / s No Yes 4K 3840 × 2160 50 13.00 Gbit / s Yes Yes 60 15.68 Gbit / s Yes Yes 120 32.27 Gbit / s No Yes 144 39.19 Gbit / s No Yes 5K 5120 × 2880 30 13.67 Gbit / s Yes Yes 50 22.99 Gbit / s No Yes 60 27.72 Gbit / s No Yes 120 57.08 Gbit / s No Yes 8K 7680 × 4320 30 30.60 Gbit / s No Yes 50 51.47 Gbit / s No Yes 60 62.06 Gbit / s No Yes 120 127.75 Gbit / s No Yes 2.0 -- 2.0 b 2.1 HDMI Version Jump up ^ Uncompressed 10 bpc ( 30 bit / px ) color depth with RGB or YC C 4 : 4 : 4 color format and CVT - R2 timing are used to calculate these data rates. Uncompressed data rate for RGB images in bits per second is calculated as bits per pixel × pixels per frame × frames per second. Pixels per frame includes blanking intervals as defined by CVT - R2. ^ Jump up to : Only possible by using YC C 4 : 2 : 2 or 4 : 2 : 0 color format ^ Jump up to : Only possible by using Display Stream Compression ( DSC ) Feature Support HDMI version 1.0 1.1 1.2 -- 1.2 a 1.3 -- 1.3 a 1.4 -- 1.4 b 2.0 -- 2.0 b 2.1 Full HD Blu - ray Disc and HD DVD video Yes Yes Yes Yes Yes Yes Yes Consumer Electronic Control ( CEC ) Yes Yes Yes Yes Yes Yes Yes DVD - Audio No Yes Yes Yes Yes Yes Yes Super Audio CD ( DSD ) No No Yes Yes Yes Yes Yes Auto lip - sync No No No Yes Yes Yes Yes Dolby TrueHD / DTS - HD Master Audio bitstream capable No No No Yes Yes Yes Yes Updated list of CEC commands No No No Yes Yes Yes Yes 3D video No No No No Yes Yes Yes Ethernet channel ( 100 Mbit / s ) No No No No Yes Yes Yes Audio return channel ( ARC ) No No No No Yes Yes Yes 4 audio streams No No No No No Yes Yes 2 video streams ( Dual View ) No No No No No Yes Yes Hybrid Log - Gamma ( HLG ) HDR OETF No No No No No Yes Yes Static HDR ( HDR static metadata ) No No No No No Yes Yes Dynamic HDR ( HDR dynamic metadata ) No No No No No No Yes Enhanced audio return channel ( eARC ) No No No No No No Yes Variable refresh rate ( Game Mode VRR ) No No No No No No Yes Burst Frame Transport ( Game Mode VRR ) No No No No No No Yes Auto Low - Latency Mode ( Game Mode VRR ) No No No No No No Yes Display Stream Compression ( DSC ) No No No No No No Yes 1.0 1.1 1.2 -- 1.2 a 1.3 -- 1.3 a 1.4 -- 1.4 b 2.0 -- 2.0 b 2.1 HDMI version Jump up ^ Even for a compressed audio codec that a given HDMI version can not transport, the source device may be able to decode the audio codec and transmit the audio as uncompressed LPCM. Jump up ^ CEC has been in the HDMI specification since version 1.0, but only began to be used in consumer electronics products with HDMI version 1.3 a. Jump up ^ Playback of SACD may be possible for older HDMI versions if the source device ( such as the Oppo 970 ) converts to LPCM. Jump up ^ Large number of additions and clarifications for CEC commands. One addition is CEC command, allowing for volume control of an AV receiver. Applications Blu - ray Disc and HD DVD players Blu - ray Disc and HD DVD, introduced in 2006, offer high - fidelity audio features that require HDMI for best results. HDMI 1.3 can transport Dolby Digital Plus, Dolby TrueHD, and DTS - HD Master Audio bitstreams in compressed form. This capability allows for an AV receiver with the necessary decoder to decode the compressed audio stream. The Blu - ray specification does not include video encoded with either deep color or xvYCC ; thus, HDMI 1.0 can transfer Blu - ray discs at full video quality. The HDMI 1.4 specification ( released in 2009 ) added support for 3D video and is used by all Blu - ray 3D compatible players. The Blu - ray Disc Association ( BDA ) spokespersons have stated ( Sept. 2014 at IFA show in Berlin, Germany ) that the Blu - ray, 4K / Ultra HD players, and UHD discs are expected to be available starting in the second half to 2015. It is anticipated that such Blu - ray UHD players will be required to include a HDMI 2.0 output supporting HDCP 2.2. Blu - ray permits secondary audio decoding, whereby the disc content can tell the player to mix multiple audio sources together before final output. Some Blu - ray and HD DVD players can decode all of the audio codecs internally and can output LPCM audio over HDMI. Multichannel LPCM can be transported over an HDMI connection, and as long as the AV receiver implements multichannel LPCM audio over HDMI and implements HDCP, the audio reproduction is equal in resolution to HDMI 1.3 bitstream output. Some low - cost AV receivers, such as the Onkyo TX - SR506, do not allow audio processing over HDMI and are labelled as `` HDMI pass through '' devices. ( 10 / 2014 Update ) Virtually all modern AV Receivers now offer HDMI 1.4 inputs and output ( s ) with processing for all of the audio formats offered by Blu - ray Discs and other HD video sources. During 2014 several manufacturers introduced premium AV Receivers that include one, or multiple, HDMI 2.0 inputs along with a HDMI 2.0 output ( s ). However, it was not until 2015 that most major manufacturers of AV receivers also included support for HDCP 2.2 as will be needed to support certain high quality 4K / UHD video sources, such as the upcoming Blu - ray 4K / UHD players. Digital cameras and camcorders As of 2012, most consumer camcorders, as well as many digital cameras, are equipped with a mini-HDMI connector ( type C connector ). As of 2014, some cameras also have 4K capability and 3D, even some cameras costing less than US $900. It needs at least a TV / monitor with HDMI 1.4 a port. Although often HD video capable cameras include an HDMI interface for playback or even live preview, the image processor and the video processor of cameras usable for uncompressed video must be able to deliver the full image resolution at the specified frame rate in realtime without any missing frames causing jitter. Therefore, usable uncompressed video out of HDMI is often called `` clean HDMI ''. Personal computers PCs with a DVI interface are capable of video output to an HDMI - enabled monitor. Some PCs include an HDMI interface and may also be capable of HDMI audio output, depending on specific hardware. For example, Intel 's motherboard chipsets since the 945G and NVIDIA 's GeForce 8200 / 8300 motherboard chipsets are capable of 8 - channel LPCM output over HDMI. Eight - channel LPCM audio output over HDMI with a video card was first seen with the ATI Radeon HD 4850, which was released in June 2008 and is implemented by other video cards in the ATI Radeon HD 4000 series. Linux can drive 8 - channel LPCM audio over HDMI if the video card has the necessary hardware and implements the Advanced Linux Sound Architecture ( ALSA ). The ATI Radeon HD 4000 series implements ALSA. Cyberlink announced in June 2008 that they would update their PowerDVD playback software to allow 192 kHz / 24 - bit Blu - ray Disc audio decoding in Q3 - Q4 of 2008. Corel 's WinDVD 9 Plus currently has 96 kHz / 24 - bit Blu - ray Disc audio decoding. Even with an HDMI output, a computer may not be able to produce signals that implement HDCP, Microsoft 's Protected Video Path, or Microsoft 's Protected Audio Path. Several early graphic cards were labelled as `` HDCP - enabled '' but did not have the hardware needed for HDCP ; this included some graphic cards based on the ATI X1600 chipset and certain models of the NVIDIA Geforce 7900 series. The first computer monitors that could process HDCP were released in 2005 ; by February 2006 a dozen different models had been released. The Protected Video Path was enabled in graphic cards that had HDCP capability, since it was required for output of Blu - ray Disc video. In comparison, the Protected Audio Path was required only if a lossless audio bitstream ( such as Dolby TrueHD or DTS - HD MA ) was output. Uncompressed LPCM audio, however, does not require a Protected Audio Path, and software programs such as PowerDVD and WinDVD can decode Dolby TrueHD and DTS - HD MA and output it as LPCM. A limitation is that if the computer does not implement a Protected Audio Path, the audio must be downsampled to 16 - bit 48 kHz but can still output at up to 8 channels. No graphic cards were released in 2008 that implemented the Protected Audio Path. The Asus Xonar HDAV1. 3 became the first HDMI sound card that implemented the Protected Audio Path and could both bitstream and decode lossless audio ( Dolby TrueHD and DTS - HD MA ), although bitstreaming is only available if using the ArcSoft TotalMedia Theatre software. It has an HDMI 1.3 input / output, and Asus says that it can work with most video cards on the market. Legacy interfaces such as VGA, DVI and LVDS have not kept pace, and newer standards such as DisplayPort and HDMI clearly provide the best connectivity options moving forward. In our opinion, DisplayPort 1.2 is the future interface for PC monitors, along with HDMI 1.4 a for TV connectivity. `` '' `` Leading PC Companies Move to All Digital Display Technology, Phasing out Analog ''. Intel. December 8, 2010. Retrieved September 14, 2012. In September 2009, AMD announced the ATI Radeon HD 5000 series video cards, which have HDMI 1.3 output ( deep color, xvYCC wide gamut capability and high bit rate audio ), 8 - channel LPCM over HDMI, and an integrated HD audio controller with a Protected Audio Path that allows bitstream output over HDMI for AAC, Dolby AC - 3, Dolby TrueHD and DTS Master Audio formats. The ATI Radeon HD 5870 released in September 2009 is the first video card that allows bitstream output over HDMI for Dolby TrueHD and DTS - HD Master Audio. The AMD Radeon HD 6000 Series implements HDMI 1.4 a. The AMD Radeon HD 7000 Series implements HDMI 1.4 b. In December 2010, it was announced that several computer vendors and display makers including Intel, AMD, Dell, Lenovo, Samsung, and LG would stop using LVDS ( actually, FPD - Link ) from 2013 and legacy DVI and VGA connectors from 2015, replacing them with DisplayPort and HDMI. On August 27, 2012, Asus announced a new 27 in ( 69 cm ) monitor which can produce its native resolution of 2560 × 1440 via HDMI 1.4. On September 18, 2014, Nvidia launched GeForce GTX 980 and GTX 970 ( with GM204 chip ) with HDMI 2.0 support. On January 22, 2015, GeForce GTX 960 ( with GM206 chip ) launched with HDMI 2.0 support. On March 17, 2015, GeForce GTX TITAN X ( GM200 ) launched with HDMI 2.0 support. On June 1, 2015, GeForce GTX 980 Ti ( with GM200 chip ) launched with HDMI 2.0 support. On August 20, 2015, GeForce GTX 950 ( with GM206 chip ) launched with HDMI 2.0 support. On May 6, 2016, Nvidia launched the GeForce GTX 1080 ( GP104 GPU ) with HDMI 2.0 b support. Gaming Consoles The Xbox 360, Xbox One, Wii U, PS3, PS4 and Nintendo Switch Consoles support HDMI. Tablet computers Some tablet computers, such as the Microsoft Surface, Motorola Xoom, BlackBerry PlayBook, Vizio Vtab 1008 and Acer Iconia Tab A500, implement HDMI using Micro-HDMI ( Type D ) ports. Others, such as the ASUS Eee Pad Transformer implement the standard using mini-HDMI ( type C ) ports. All iPad models have a special A / V adapter that converts Apple 's data line to a standard HDMI ( Type A ) port. Samsung has a similar proprietary thirty - pin port for their Galaxy Tab 10.1 that can adapt to HDMI as well as USB drives. The Dell Streak 5 smartphone / tablet hybrid is capable of outputting over HDMI. While the Streak uses a PDMI port, a separate cradle is available which adds HDMI compatibility. Most of the Chinese - made tablets running Android OS provide HDMI output using a mini-HDMI ( type C ) port. Most new laptops and desktops now have built in HDMI as well. Mobile phones Many recent mobile phones can produce output of HDMI video via either a micro-HDMI connector or MHL output. Legacy compatibility HDMI can only be used with older analog - only devices ( using connections such as SCART, VGA, RCA, etc. ) by means of a digital - to - analog converter or AV receiver, as the interface does not carry any analog signals ( unlike DVI, where devices with DVI - I ports accept or provide either digital or analog signals ). Cables are available that contain the necessary electronics, but it is important to distinguish these active converter cables from passive HDMI to VGA cables ( which are typically cheaper as they do n't include any electronics ). The passive cables are only useful if you have a device that is generating or expecting HDMI signals on a VGA connector, or VGA signals on an HDMI connector ; this is a non-standard feature, not implemented by most devices. HDMI Alternate mode for USB type - C The HDMI Alternate Mode for USB - C allows HDMI enabled sources with a USB - C connector to directly connect to standard HDMI display devices, without requiring an adapter or dongle. The standard was released in September 2016, and supports all HDMI 1.4 b features such as video resolutions up to 4K Ultra HD 30 Hz, and Consumer Electronic Control ( CEC ). Previously, the similar DisplayPort Alternate Mode could be used to connect to HDMI displays from USB Type - C sources, but where in that case, active adapters were required to convert from DisplayPort to HDMI, HDMI Alternate Mode connects to the display natively. The Alternate Mode reconfigures the four SuperSpeed differential pairs present in USB - C to carry the three HDMI TMDS channels and the clock signal. The two Sideband Use pins ( SBU1 and SBU2 ) are used to carry the HDMI Ethernet and Audio Return Channel and the Hot Plug Detect functionality ( HEAC+ / Utility pin and HEAC − / HPD pin ). As there are not enough reconfigurable pins remaining in USB - C to accommodate the DDC clock ( SCL ), DDC data ( SDA ), and CEC -- these three signals are bridged between the HDMI source and sink via the USB Power Delivery 2.0 ( USB - PD ) protocol, and are carried over the USB - C Configuration Channel ( CC ) wire. This is possible because the cable is electronically marked ( i.e., it contains a USB - PD node ) that serves to tunnel the DDC and CEC from the source over the Configuration Channel to the node in the cable, these USB - PD messages are received and relayed to the HDMI sink as regenerated DDC ( SCL and SDA signals ), or CEC signals. HDMI Alternate Mode for USB Type - C pin mapping Relationship with DisplayPort Dual - mode DisplayPort logo Another audio / video interface is DisplayPort, version 1.0, which was approved in May 2006. Several models of display, computer, and video cards have DisplayPort ports. The DisplayPort website states that DisplayPort is expected to complement HDMI. Most of the companies producing equipment that uses DisplayPort are in the computer sector. DisplayPort uses a self - clocking, micro-packet - based protocol that allows for a variable number of differential lanes as well as flexible allocation of bandwidth between audio and video, and allows encapsulating multi-channel compressed audio formats in the audio stream. DisplayPort ports can be made so that they are compatible with single - link DVI and HDMI 1.4. Compatibility is achieved with DisplayPort Dual - mode ports, which are marked with the + + DP logo, using attached passive adapters ; powered active adapters allow signal conversion to dual - link DVI and analog VGA. The source devices with Dual - mode support has to include both DisplayPort transmitter which sends signals in LVDS format and HDMI transmitter which transmits signals in TMDS format ( for DVI / HDMI displays ). So, Dual - mode allows to use the same external port for both HDMI and DisplayPort displays, but still both HDMI and DisplayPort transmitters has to be present internally in the source device. When DVI / HDMI display is connected the signal is directly sourced from the HDMI transmitter and DisplayPort transmitter is disconnected. DisplayPort has a royalty rate of US $0.20 per unit ( from patents licensed by MPEG LA ), although this claim is contested, while HDMI has an annual fee of US $10,000 and a per unit royalty rate of between $0.15 and $0.04. DisplayPort version 1.2 added the ability to transport multiple audio / video streams, doubled the maximum data rate from 10.8 Gbit / s to 21.6 Gbit / s, increased the `` AUX '' channel bandwidth from 1 Mbit / s to 720 Mbit / s, added the ability to use multiple color spaces, including xvYCC, scRGB and Adobe RGB 1998, added global time - code for audio synchronisation and the ability to transfer Ethernet, USB 2.0, DPMS, and other types of data over the `` AUX '' channel. HDMI has a few advantages over DisplayPort, such as ability to carry Consumer Electronics Control ( CEC ) signals, and electrical compatibility with DVI ( though practically limited to single - link DVI rates ). Also, HDMI can sustain full bandwidth for up to 10 meters of cable length and there are certification programs to ensure this ; DisplayPort cables, conversely, do n't ensure full bandwidth beyond 3 meters. Relationship with MHL Main article : Mobile High - Definition Link Mobile High - Definition Link ( MHL ) is an adaptation of HDMI intended to connect mobile devices such as smartphones and tablets to high - definition televisions ( HDTVs ) and displays. Unlike DVI, which is compatible with HDMI using only passive cables and adapters, MHL requires that the HDMI socket be MHL - enabled, otherwise an active adapter ( or dongle ) is required to convert the signal to HDMI. MHL is developed by a consortium of five consumer electronics manufacturers, several of which are also behind HDMI. MHL pares down the three TMDS channels in a standard HDMI connection to a single one running over any connector that provides at least five pins. This allows existing connectors that are already found in mobile devices -- such as micro-USB -- to be utilized, avoiding the need to add additional dedicated video output sockets. The USB port switches to MHL mode when it detects a compatible device is connected. In addition to the features in common with HDMI ( such as HDCP encrypted uncompressed high - definition video and eight - channel surround sound ), MHL also adds the provision of power charging for the mobile device while in use, and also enables the TV remote to control it. Although support for these additional features requires connection to an MHL - enabled HDMI port, power charging can also be provided when using active MHL to HDMI adapters ( connected to standard HDMI ports ), provided there is a separate power connection to the adapter. Like HDMI, MHL defines a USB - C Alternate Mode to support the MHL standard over USB - C connections. Version 1.0 supported 720p / 1080i 60 Hz ( RGB / 4 : 4 : 4 pixel encoding ) with a bandwidth of 2.25 Gbit / s. Versions 1.3 and 2.0 added support for 1080p 60 Hz ( YCbCr 4 : 2 : 2 ) with a bandwidth of 3 Gbit / s in PackedPixel mode. Version 3.0 increased the bandwidth to 6 Gbit / s to support 4K Ultra HD ( 3840 × 2160 ) 30 Hz video, and also changed from being frame - based, like HDMI, to packet - based. The fourth version, superMHL, increased bandwidth by operating over multiple TMDS differential pairs ( up to a total of six ) allowing a maximum of 36 Gbit / s. The six lanes are supported over a reversible 32 - pin superMHL connector, while four lanes are supported over USB - C Alternate Mode ( only a single lane is supported over micro-USB / HDMI ). Display Stream Compression ( DSC ) is used to allow up to 8K Ultra HD ( 7680 × 4320 ) 120 Hz HDR video, and to support 4K Ultra HD 60 Hz video over a single lane. See also List of display interfaces DisplayPort Thunderbolt ( interface ) Comparison of display connectors USB - C References ^ Jump up to : `` HDMI Adopters and Founders ''. HDMI. Retrieved April 14, 2015. Jump up ^ `` Members ''. HDMI Forum. Retrieved March 16, 2017. 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When HDCP is added to DVI, the result is often called `` DVI + HDCP. '' When this is used on an HDTV, HD monitor or set - top box, a further standard is usually applied : IEA / CEA - 861 ( currently 861 - B )... the interface is commonly known as DVI - HDTV. Jump up ^ `` Silicon Image Opens HDMI Authorized Testing Center ''. HDMI.org. June 26, 2003. Retrieved November 18, 2009. Jump up ^ `` Panasonic Equips Japanese HDMI Authorized Testing Center ''. Entrepreneur.com. May 1, 2004. Retrieved January 5, 2009. Jump up ^ `` Philips opens first Authorized Test Center in Europe for HDMI compliance testing ''. HDMI.org. May 25, 2005. Retrieved November 18, 2009. Jump up ^ `` Silicon Image Expands HDMI and PanelLink Cinema Testing Operations to China ''. HDMI.org. November 21, 2005. Retrieved November 18, 2009. Jump up ^ `` Philips Sets Up India 's First HDMI Authorized Testing Center ''. HDMI.org. June 12, 2008. Retrieved January 5, 2009. Jump up ^ `` Authorized Test Centers ''. HDMI.org. 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The longest HDMI cable we have ever seen a compliance test certificate for is our own Series - 1, which passed ATC testing at 45 feet under HDMI 1.3 a ( CTS 1.3 b1 ). Jump up ^ `` 4K × 2K Video Support ''. HDMI.org. Retrieved September 20, 2009. Jump up ^ `` Trademark and Logo Guidelines In Effect 10 / 17 / 2008 ''. HDMI.org. October 1, 2008. Retrieved November 17, 2009. Jump up ^ `` Updated Trademark and Logo Usage Guidelines ''. HDMI.org. Retrieved November 18, 2009. Jump up ^ `` HDMI Knowledge Base ''. HDMI.org. Retrieved June 19, 2008. Jump up ^ `` Manufacturer : : HDMI 1.4 : : Finding the Right Cable ''. HDMI. Retrieved January 12, 2011. Jump up ^ `` 3D HDTV and HDMI Explained ''. Hdguru.Com. February 22, 2010. Retrieved January 12, 2011. Jump up ^ `` HDMI Licensing, LLC Launches Premium HDMI Cable Certification Program ''. hdmi.org. HDMI Licensing, LLC. 5 October 2015. Jump up ^ `` Premium HDMI Cable Certification Program ''. hdmi.org. HDMI Licensing, LLC. 5 October 2015. 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HDMI Forum, Inc. hdmi.org. 4 January 2017. Retrieved 2017 - 01 - 10. Jump up ^ `` Philips HDR technology '' ( PDF ). Philips. Retrieved 2017 - 01 - 10. ^ Jump up to : Anton Shilov ( 2017 - 01 - 05 ). `` HDMI 2.1 Announced ''. Anandtech. Retrieved 2017 - 01 - 10. Jump up ^ `` HDMI 2.1 : The Need For Speed Continues ''. HDTV Magazine, Ltd. HDTV Expert. 18 January 2017. Retrieved 31 January 2017. ^ Jump up to : `` HDMI 2.1 To Bring Robust Home Theater Experience ''. HD Guru. 19 January 2017. Retrieved 31 January 2017. Jump up ^ `` High - Definition Multimedia Interface Provides Access to Higher - Quality Digital Content ''. HDMI.org. HDMI Licensing, LLC. Retrieved August 25, 2017. Jump up ^ `` HDMI LICENSING, LLC ANNOUNCES AVAILABILITY OF HDMI 1.2 SPECIFICATION ''. HDMI.org. HDMI Licensing, LLC. Retrieved August 25, 2017. Jump up ^ `` HDMI LICENSING, LLC ANNOUNCES AVAILABILITY OF HDMI 1.2 a SPECIFICATION INCLUDING UPDATED COMPLIANCE TEST SPECIFICATION ''. HDMI.org. HDMI Licensing, LLC. 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Jump up ^ `` DisplayPort 1.1 a Standard ''. VESA.org. January 11, 2008. Retrieved June 23, 2008. Jump up ^ `` How to Choose a DisplayPort Cable, and Not Get a Bad One ! ''. displayport.org. VESA. Jump up ^ `` HDMI plugs into cameras, cellphones ''. EE Times. January 8, 2008. Retrieved January 2, 2013. ^ Jump up to : Manmeet Walia. `` MHL : The New Mobile - to - TV Protocol ''. Synopsys.com. Retrieved 15 February 2017. ^ Jump up to : `` Consortium backs mobile interface for high def video ''. EE Times. April 14, 2010. Retrieved January 2, 2013. Jump up ^ `` Frequently Asked Questions About MHL ''. MHL, LLC. Archived from the original on April 16, 2012. Retrieved January 2, 2013. Jump up ^ Manmeet Walia. `` HDMI and MHL IP for Mobile and Digital Home Connectivity ''. Synopsys.com. Retrieved 14 April 2017. ^ Jump up to : `` superMHL Specification - White Paper '' ( PDF ). MHL. September 2015. Retrieved 7 February 2017. External links Wikimedia Commons has media related to High - Definition Multimedia Interface. HDMI Licensing, LLC. Dolby Podcast Episode 60 -- March 26, 2009 -- Part one of a two - part discussion with Steve Venuti, President, and Jeff Park, Technology Evangelist, of HDMI Licensing. Dolby Podcast Episode 62 -- April 23, 2009 -- Part two of a two - part discussion with Steve Venuti, President, and Jeff Park, Technology Evangelist, of HDMI Licensing. 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Question: what is the highest resolution that hdmi 2.0 can support
Answer: 4K video at 60 Hz with 24 bit/px color depth