1 / 18  
 General Descriptions of Technical Specifications for Set -Top 
Boxes for Multimedia Content Distribution Platform on a Fixed 
Telecommunications Network  
 
Currently, in order for subscribers to receive  multimedia on demand (MOD) services  
provided by the local network operators through the multimedia content distribution 
platform , installation of a set -top box is required . In accordance with  Article 1 of 
Fundamental Communications Act  and with view to protect ing consumers’ interests, NCC 
hereby stipulates “Techn ical Specifications for Set -Top Box es for  Multimedia Content 
Distribution Platform on a Fixed Telecommunications Network” (hereinafter shortened as 
“the Specifications”) ; the Specifications aligns with Paragraph 1 of Article 42 of the 
Telecommunications Ac t, as well as other relevant national and international standards.  
 
An outline of the key Specifications are as follows:  
 
 
1. Legal Accordance ( point 1); 
2. Scope of Applications ( point 2); 
3. Technical Standards ( point 3); 
4. Definition of Terms ( point 4); 
5. Testing Items and Approval Standards (point 5).  2 / 18  
 Technical Specifications for Set -Top Box es for Multimedia Content 
Distribution Platform on a Fixed Telecommunications Network  
Regulations  Descriptions  
1 Legal Accordance  
   The Specifications are stipulated pursuan t to 
Paragraph 1 of Article 42 of the 
Telecommunications  Act. The basis  of the Specifications  
2  Scope of Applications  
   The Specifications are applicable  to terminal 
equipment of Internet Protocol (IP) physical 
interface that is equipped with an Ethern et 
port and able to receive and demodulate 
signals transmitted by multimedia  content 
distribution platforms  for subscribers to 
receive video , audio  or information. Set -top 
boxes that are integrated into the television 
shall be  exempt from the tests as desc ribed in 
Article 5.8 and Article 5.9 of the 
Specifications.  Applicable scope of the Specifications  
3 Technical Standards  
The specifications are stipulated in 
accordance with CNS 13438, CNS 14336 -1, 
CNS 14357 series, CNS 14676 -4, CNS 
14676 -5 and internati onal technical standards, 
including ETSI EN 300 468, EN 300 743,  
TS 101 154.  National and international standards  that the 
Specifications are based on.  
4 Definition of Terms  
4.1 Set-top box: refers to set -top box of 
multimedia content distribution 
platfo rm.  
4.2 Multimedia content distribution platform  
head -ends (hereinafter referred to as the 
head -ends): refers to the equipment and 
its location for receiving, demodulating 
and transmitting cable radio and 
television signals to the cable 
transmission netw ork. 
4.3 Multimedia content distribution platform  
signal: refers to signals that local 
network business  operators transmit to 
broadcast video , audio  or information 
for direct public reception via cables.   
4.4 Video compression standards  
4.4.1  SDTV  adopts  MPEG -2 or 
H.264/MPEG -4 A VC  compression 
standards.  
4.4.2  HDTV  adopts  H.264/MPEG -4 
A VC  compression standards.  
4.5 Audio compression standards:  adopts  
MPEG -1, MPEG -2, AC-3 (Dolby 
Digital 5.1  channel ), or HE-AAC  
compression standards.  
4.6 High -Definition Progra ms: refers to 
digital programs with resolution   of 1. Definition of terms and Specifications.  
 
2. Provide  clear and definite  terms  of the 
scope of applications of the 
Specifications ; define  the terms used in 
the Specifications, including set -top box, 
head -end of multimedia content 
distribution platform, signals, video / 
audio compression standards, high/ 
standard definition programs, MEPG -2, 
service information, program channels, 
transport stream , real -time contr ol control 
protocol, real -time transport control 
protocol, inserted characters and Non-
Video on Demand .  
 3 / 18  
 above 1280 x 720p and compressed with 
the H.264/MPEG -4 A VC or VC -1 
standards.  
4.7 Standard Quality Programs: refers to 
digital programs with  resolution above  
720 x 480i and below 1280 x 720p, and 
compresse d with MPEG -2, 
H.264/MPEG -4 A VC or VC -1 standards.  
4.8 MPEG -2: as referred in CNS 14357  
series standards. Among them, the 
system coding is defined in Part I, video 
coding in Part II, and sound coding in 
Part III.  
4.9 Service Information (SI) : refers to dig ital 
data used to describe the delivery 
system, content, schedule and time 
series of broadcast data stream, and 
program specific information (PSI) 
based on CNS 14357 -1 MPEG -2, such 
as Electronic Program Guides (EPGs).  
4.10 Program Channels: refer to channe ls that 
load programs and advertisement s 
among television channels.  
4.11 Transport Stream  (TS):  an information 
structure defined according to CNS 
14357 -1 (Information technology -
Generic coding of moving pictures and 
associated audio in formation -Part 
1:Sys tems ).  
4.12 Real-Time Transport Control Protocol  
(RTCP ): according to the definition of  
RFC 3550 . 
4.13 Real-Time Streaming Protocol  (RTSP): 
according to the definition of RFC 2326 . 
4.14 Inserted Characters: refer to text or 
graphics appearing on the TV screen that 
have been edited and compiled and not 
part of the original contents being 
transmitted.  
4.15 Non-Video on Demand: refers to 
progr am videos of broadcasting  
television channels on the multimedia 
content transporting platform .  4 / 18  
 5 Testing Items and Approval Standards  
5.1 EMC: the EMI of EMC shall comply 
with CNS  13438 . 
5.2 Electrical Safety (Safety) shall comply 
with CNS 14 336-1. 
5.3 Reliability:  
5.3.1  No crash occurs during  a 
continuous twelve -hour broadcast.  
5.3.2  No locking effect, frame freezing, 
fram e skipping, crackl ing or ceased 
audio  during the  broadcasted  
program. A minimum four-hour 
test shall  be conducted . 
5.4 Video  and audio format:   
5.4.1  Video  signals :  
5.4.1.1  Standard definition ( SD): shall 
accurately decode and 
broadcast video signals  that 
comply with CNS 14357 -2 
MPEG -2 MP＠ML, ISO/IEC 
MPEG -4 A VC/H.264 HP ＠L4, 
ETSI TS 101 154, or the new 
generation video compress ion 
standards.  
5.4.1.2  High definition (HD): shall 
accurately decode and 
broadcast video signals that 
comply with ISO/IEC MPEG -4 
A VC/H.264 HP ＠L4, ETSI TS 
101 154 , or the new generation 
video compression standards.  
5.4.2  Audio signals:  shall accurately 
decode and broadcast audio signals 
that comply with ETSI TS 101 154 
or the new generation audio 
compression standards.  
5.5 Duration for switching program 
channel s:  
5.5.1  Time required for the appearance 
of images of next program channel 
after the conclusion  of video of the  
previous  channel program shall be 
≦2 seconds.  
5.5.2  The program switch test s as 
described in 5.5.1 shall be 
switch ed from non -VOD SD 
programs to non -VOD HD 
programs, non -VOD HD programs 
to non -VOD SD programs, and 
non-VOD HD programs to non - 
VOD HD programs.  
5.6 Video and audio synchroniza tion shift: 
within ±20 milliseconds (ms).  
5.7 Service Information (SI ) Electromagnetic compatibility (EMC), 
electrical safety, reliability, video and audio 
format, duration for switching program 
channels, video and audio synchronization 
shift, service information, audio output, video 
output, reception interface (including durance 
to lightning surge ), USB extension service, 
video recording function, reception records, 
working environment, standards for advan ced 
functional requirements and relevant testing 
are defined according to national and 
international standards. Applicants shall 
comply with relevant regulations, including the 
provision of required equipment and/or 
devices.   5 / 18  
 5.7.1  Setting  the reception and time of 
rated programs:  o nly after 
entering the correct password 
(minimum 4 digits), users shall be 
able to access the video on demand  
(VOD) service, set the reception ,  
the time  channel programs  can be 
received , and change password.  
5.7.2  Reception of rating programs  
5.7.2.1  Program rating shall be displayed 
in the information bar and 
electronic program guide.  
5.7.2.2  Programs with restricted content:  
(1) Password shall be required for 
receiving programs with 
restricted content. However, 
password may be omitted for 
switching to other programs 
with restricted content.  
(2) Prior to  the password being  
entered, all program video  and 
audio must be hidden . 
(3) When switching from non-
restricted programs to programs 
with restricted content, the 
password requirement as 
described in (1) shall be applied.  
(4) When images of programs with 
restricted content appear in the 
startup screen, the password 
requirement as described in (1) 
shall be applied.  
5.7.2.3  Parental lock programs refer to 
programs that require password, 
apart from those with restricted 
content:  
(1) A password shall be required for 
receiving parental lock 
programs. However, the 
password may be omitted  for 
switching to other parental lock 
programs.  
(2) Prior to  the password being  
entered, program images and 
audio must be hidden . 
(3) When switching non -parental 
lock programs to parental lock 
programs, the password 
requirement as described in (1) 
shall be  applied.  
(4) When switching back to parental 
lock programs from non -
parental lock programs, the 
password requirement as 
described in (1) shall be applied. 6 / 18  
 However, if the equipment 
allows user not to enter the 
password during a specific 
period, the user m ay not enter 
the password during the set 
period.  
(5) When switching parental lock 
programs to programs with 
restricted content, the password 
requirement as described in 
5.7.2.2 (1) shall be applied.  
(6) When images of parental lock 
programs appear in the s tartup 
screen, the password 
requirement as described in (1) 
shall be applied  
(7) When changing the parental lock 
setting, password requirements 
as described in (1) shall be 
applied.  
5.7.3  Setting  the time of reception:  
5.7.3.1  Only after entering the corr ect 
password will users be able to set 
the time of reception and change 
the password.  
5.7.3.2  During  the designated time of  
non-reception, program images 
and audio must  be hidden  prior 
to the password  being  entered . 
5.7.3.3  The password shall be entered 
when changing the reception 
time setting . 
5.7.4  Multiple language subtitles:  
After the online firmware update of 
this function , the set -top box 
hardware shall provide traditional 
Chinese and English subtitles, and 
support the subtitle  selection 
function. Us ers may  activate or 
hide the  subtitle display and select 
subtitles of different language s 
through the user interface . The 
default for subtitle display shall be 
activated and  the default  language 
shall be traditional Chinese.  
5.7.5  Electronic Program Guide (EPG): 
shall receive EPG information 
transmitted by head -ends and 
accurately decode and display the 
information. See attached Table 1 
for relevant rules.  
5.7.6  Firmware Auto -Update: shall 
feature an  online firmware auto -
update (that is, the update of 
firmw are is conducted by the head -7 / 18  
 end system online) and functions  
checking  firmware version .   
5.7.7  Display of Inserted Subtitle s: 
5.7.7. 1 Shall receive the content of 
inserted subtitles transmitted by 
head-ends; the content shall be 
accurately decoded and 
displayed.   
5.7.7.2  The transmission location, 
display time and number of 
message characters shall comply 
with filial laws stipulated 
according to Paragraph 2 of 
Article 39 of Cable Radio and 
Television Act.  
5.7.8  Information concerning  Natural 
Disaster s and Emergenc ies: shall 
receive information concerning a 
natural disaster or emergency 
transmitted by head -ends, 
comply ing with the control signals 
transmitted by head -ends as 
follows:  
5.7.8.1  The same information shall be 
displayed in all program 
channels, an d shall  be enforced 
to switch to a designated 
program channel and broadcast  
relevant information;  
5.7.8.2  Natural  disaster and emergency 
information shall be displayed as 
inserted subtitles in all, partial or 
designated program , channel(s).  
5.7.9  Multi -Track Output: shall comply 
with ETSI EN 300 468, receive the 
content of at least two sets of 
tracks, and accurately decode and 
display the content.   
5.7.10  The click  and select function of 
electronic program guides  (shall be 
able to receive signals transmitt ed 
by head -ends):  
5.7.10.1  Shall be equipped with 
subscriber paid channel 
function ( paid content shall  be 
included).  
(1) Add / cancel a single channel.  
(2) Add / cancel a channel package 
(multiple channels).  
5.7.10.2  Shall be equipped with the 
customiz ed menu  function  
(such as customized channel 
number or order, my favorite 
channel s etc.), where the 
subscribers can customize EPG 8 / 18  
 by ordering the channels ba sed 
on “channel number”, 
“program name” or “program 
type, or by adding “my favorite 
channel”.  
5.8 Audio Output  
5.8.1  General audio format shall support 
stereo output (individual channel of 
L+R shall be able to output audio).  
5.8.2  Signal Level: ≧1 Vrms. The 
testing signal shall be 1 kHz sine 
wave under 0 dBFS MPEG and the 
load impedance shall be 100 kΩ.  
5.8.3  Total Harmonic Distortion with 
Noise (THD+N): ≦0.3%. The 
testing signal shall be 20 Hz to 20 
kHz sine wave under -3 dBFS 
MPEG and the load impedance 
shall be 100 kΩ.  
5.8.4  Frequency Response: within ±0.5 
dB. The testing signal shall be 20 
Hz to 20 kH z sine wave under 0 
dBFS MPEG and the load 
impedance shall be 100 kΩ.  
5.8.5  Signal to Noise Ratio (SNR): ≧70 
dB, including unweighted and A -
weighted modes. The testing signal 
shall be 1 kHz sine wave under 0 
dBFS MPEG and the load 
impedance shall be 100 kΩ . 
5.8.6  L.R Cross Talk): ≦-70 dB. The 
testing signal shall be 1 kHz sine 
wave under -20 dBFS MPEG and 
the load impedance shall be 100 
kΩ. 
5.8.7  L.R Phase Difference: ≦5 
degrees. The testing signal shall be 
20 Hz to 20 kHz sine wave under 0 
dBFS MPEG and th e load 
impedance shall be 100 kΩ.  
5.8.8  L.R Power Level Difference: ≦
0.5 dB. The testing signal shall be 
20 Hz to 20 kHz sine wave under 0 
dBFS MPEG and the load 
impedance shall be 100 kΩ.  
5.8.9  Dynamic Range: ≧70 dB. The 
testing signal shall be 1 kHz 
sinusoidal audio signal under -60 
dBFS MPEG and the load 
impedance shall be 100 kΩ.  
5.8.10  Other rules: those whose testing 
signal is sine wave within the 
frequency band of from 20 Hz to 
20 kHz shall test at least 31 9 / 18  
 frequency points during this range. 
See a ttached Table 2 for frequency 
point related details.  
5.9 Video Output  
    5.9.1  Support video encoded in the 
standard NTSC format.  
    5.9.2  Feature the composite video and 
component video or HDMI output 
functions.  
    5.9.3  Composite Video (Composite 
Vide o Broadcast Signal; shortened 
as CVBS) Output:  
      5.9.3.1  Amplitude Characteristics:  
        (1) Bar Amplitude: within 100 IRE ± 5 
IRE. 
        (2) Sync Amplitude: within 40 IRE ± 2 
IRE. 
        (3) Bar Width: within 18 milliseconds 
(us) ± 0.5 milliseco nds (us).  
      
      5.9.3.2  K-Factor  
        (1) Distortion of 2T Sine Wave (K -
2T): within ±1.5 %.  
        (2) Ratio of 2T Squared Sine Wave 
and Bar Amplitude (K -PB): within 
±3 %.  
      5.9.3.3    Frequency Response and Distortion 
(Multi burst): see atta ched Table 3 
for relevant rules. The video output 
of multi burst images with 6 
different frequency packets.  
      5.9.3.4  Gain Distortion of Luminance Non -
Linearity: within ± 5 %.  
      5.9.3.5  Distortion of Chrominance Non -
Linearity  
        (1) Gain Disto rtion: within ±3 %.  
        (2) Phase Distortion: within ±2 
degrees.  
        (3) Distortion of Chrominance to 
Luminance: within ±2 %.  
      5.9.3.6  Distortion of Chrominance to 
Luminance  
        (1) Gain Inequality: within 100±10 %.  
        (2) Delay Inequ ality: within ±30 
nanoseconds (ns)  
      5.9.3.7  Chrominance AM / PM Noise  
        (1) Amplitude Modulation Noise (AM 
Noise): ≦-45 dB rms.  
        (2) Phase Modulation Noise (PM 
Noise): ≦-45 dB rms.  
      5.9.3.8  Distortion of Differential Gain & 
Differential Phase  
        (1) Distortion of Differential Gain 
(Diff. Gain): within ±5 %.  
        (2) Distortion of Differential Phase 10 / 18  
 (Diff. Phase): within ±5 degrees.  
      5.9.3.9  Noise Spectrum Level  
        (1) Noise level for frequency range 
between 0.1 MHz to 4.2 MHz: ≦-
52 dB rms.  
        (2) Noise level for unified weighting: 
≦-58 dB rms.  
      5.9.3.10  Characteristics of Color Ba r 
Signals: See attached Table 4 for 
relevant rules.  
    5.9.4  Component Video Output:  
      5.9.4.1  Shall support the quality and 
performance requirements for 
resolutions of at least 720p and 
1080i.  
      5.9.4.2  Characteristics of Channel Delay  
        (1) Channel Delay of  “Y”to“Pb”: 
within ±40 nanoseconds (ns).  
        (2) Channel Delay of  “Y”to“Pr”: 
within ±40 nanoseconds (ns).  
        (3) Channel Delay of  “Pb”to“Pr”: 
within ±40 nanoseconds (ns).  
      5.9.4.3  Characteristics of Color Bar 
Amplitude: see  attached Table 5 for 
relevant rules.  
      5.9.4.4   Characteristics of Noise Spectrum: 
see attached Table 6 for relevant 
rules.  
    5.9.5  HDMI Output:  
      5.9.5.1  Shall support the quality and 
performance requirements for 
resolutions of at least 720p a nd 
1080i.  
      5.9.5.2  The transmission interface shall 
comply with HDMI 1.1 or above . 
5.10 Reception  interface  
    5.10.1  The set-top box shall adopt  RJ45  
interface  or wireless interface such 
as WiFi,  and shall  also support 
RTCP or RTSP  communications 
protocol . Where RTCP or RTSP 
takes place, the connector shall be 
limited in receiving head -ends 
data.  
    5.10.2  Transmission circuit durability: the 
set-top box shall be properly 
connected and broadcast signals 
when complying with the 
following transmissio n circuit 
standard  circumstance s: 
      5.10.2.1  Numbers  of lost IP packet: the 
set-top box shall be able to 
function normally when missing 
the IP packet for more than four 
times in an hour or once within 11 / 18  
 five minutes.  
      5.10.2.2  Set-top box shall  be a ble to  
function normally when 
receiving  packet jitter more than 
50 ms .  
    5.10.3  Receiving and processing 
capability  
      5.10.3.1  Those that are equipped with 
single program stream (SPTS) 
shall be able to process  transport 
stream  more than 20 Mbps .  
      5.10.3.2  Those that are equipped with 
multi program transport stream 
(MPTS) shall be able to process  
transport stream  more than  60 
Mbps .  
      5.10.3.3  The test as described in 5.10.3 
shall be proceeded with at least 
one or multiple HD programs.  
5.10.4 Receiving Decoding Capability  
      5.10.4.1  Those whose standard high -
quality program is transmitted 
with the MPEG -2 compression 
technology, the flow shall be > 
3Mbps; those who ha ve adopted 
the MPEG -4 A VC  (H.264) or 
VC-1 compression technology 
for t he transmission, the flow 
shall be >1.75 Mbps 。 
      5.10.4.2  Those whose high -quality 
progr am format is transmitted 
with the MPEG -2 compression 
technology, the flow shall be 
>17 Mbps; those who have 
adopted the MPEG -4 A VC  
(H.264) or VC -1 compression 
technology for the transmission, 
the flow shall b e >10 Mbps.  
5.10.5 Electromagnetic Susceptibility 
(EMS):  
      5.10.5.1  Shall comply with CNS 14676 -4 
(the power line shall comply 
with the level of 1KV; signal 
line shall comply with the level 
of 500V).  
      5.10.5.2  Shall comply with CNS 14676 -5 
(the po wer, neutral and ground 
lines shall comply with the level 
of 2KV; the level of 1KV shall 
be complied with between lines).  
5.11 Those  that include the feature  of USB 
extended interface shall provide at least 
one set of minimum USB 2.0 interface. 
The socket type shall adopt TYPE A or 
TYPE C interface.  12 / 18  
 5.12 For those with the recording function, 
the broadcast shall be limited to the set -
top box and smart card or other 
encryption mechanism used during the 
recording.  
5.13 For those whose reception information is  
uploaded to head -ends, the content of 
the said information must not contain 
information that can directly identify the 
specific person.  
5.14 For those that include the feature s of 
WiFi, bluetooth or other radio -frequency 
interface, their radio -frequency 
performance shall comply with Low -
power Radio -frequency Devices 
Technical Specifications.  
5.15 Working Environment:  
 Shall maintain normal operation between  
a temperature range of 5°C to 40°C, and 
relative humidity range of 45% to 80%  
(R.H.).   
5.16 Testin g fixture and location required for 
item 5.7.4, 5.7.6 to 5.7.8, 5. 7.10, 5.12 
and 5.1 3 shall be provided by the 
applicant.  
 13 / 18  
 Attached Table 1: E PG Items and Functional Requirements  
No
. Items  Functional Requirements  Notes  
1 
Displayed content of 
EPG.  Schedule of program broadcast.   
2 Information on programs  both currently  and to be  
broadcasted.   
3 Display of current time.   
4 Support program introduction.   
5 
Method of displaying 
EPG content.  Brows e according to the program channel.   
6 Browse according to the order of broadcasting 
programs.  Option  
7 Browse according to the program type.   
8 
Manipulation of EPG  Enter the EPG from the menu b ar to browse.   
9 Enter the EPG by pressing the shortcut key of remote 
control to browse.   
10 
Reception capability of 
EPG  Each channel shall support the function of displaying 
at least a 7-day program timetable. Each program 
shall support the program int roduction function of 
minimum 255 bytes.   
11 Update of EPG  Support the auto update of EPG content.   
12 Display of EPG 
Program Rating  Support the display and update of program rating 
information.   
 14 / 18  
  
 
Attached Table 2: 31 testing frequency points within the frequency band of from 20Hz to 
20kHz  
Frequency (Unit: Hz)  
20 63 202 640 2000  6350  20000  
25 80 254 806 2520  8000   
32 101 320 1000  3175  10074   
40 127 403 1260  4000  12699   
50 160 508 1587  5040  16000   
 
 15 / 18  
  
 
Attached Table 3: Limit values for the test of the video output frequency response 
distortion characteristics  
Packets  Frequency Points  Approval Standards  
Packet 1 amplitude  0.5 MHz  Within ± 0.5 dB  
Packet 2 amplitude  1.0 MHz  Within ± 0.5 dB  
Packet 3 amplitude  2.0 MHz  Within ± 0.5 dB  
Packet 4 ampl itude  3.0 MHz  Within ± 0.5 dB  
Packet 5 amplitude  3.58 MHz  Within ± 0.5 dB  
Packet 6 amplitude  4.2 MHz  Within ± 0.5 dB  
 16 / 18  
  
 
Attached Table 4: Limit values for the test of video color bar signal characteristics  
 
Items  Approval Standards  
Luminance amplitude  White  Within 100.0 IRE±2 IRE  
Yellow  Within 68.97 IRE±2 IRE  
Cyan  Within 56.13 IRE±2 IRE  
Green  Within 48.22 IRE±2 IRE  
Magenta  Within 36.15 IRE±2 IRE  
Red Within 28.24 IRE±2 IRE  
Blue  Within 15.41 IRE±2 IRE  
Black  Within 7.50 IRE±2 IRE  
Chrominanc e amplitude (p -p) Yellow  Within 62.07 IRE±2 IRE  
Cyan  Within 87.74 IRE±2 IRE  
Green  Within 81.93 IRE±2 IRE  
Magenta  Within 81.93 IRE±2 IRE  
Red Within 87.74 IRE±2 IRE  
Blue  Within 62.07 IRE±2 IRE  
Chrominance phase  Yellow  Within 167.1 degrees ±2 degre es 
Cyan  Within 283.5 degrees ±2 degrees  
Green  Within 240.7 degrees ±2 degrees  
Magenta  Within 60.7 degrees ±2 degrees  
Red Within 103.5 degrees ±2 degrees  
Blue  Within 347.1 degrees ±2 degrees  
 17 / 18  
  
Attached Table 5: Limit values for the characteristi cs of color bar amplitude of component 
video  
 
 720p , 1080i  
Items  Y Component  Pb Component  Pr Component  
White  700.0 mV±35 mV  0.0 mV±5 mV  Within 0.0 mV±5 mV  
Yellow  649.5 mV±32.5 mV  -350.0 mV±17.5 mV  Within 32.1 mV±3 mV 內 
Cyan  551.2 mV±27.5 mV  80.2 mV±4 mV  Within -350.0 mV±17.5 mV  
Green  500.6 mV±25 mV  -269.8 mV±13.5 mV  Within -317.9 mV±16 mV  
Magenta  199.4 mV±10 mV  269.8 mV±13.5 mV  Within 317.9 mV±16 mV  
Red 148.8 mV±7 mV  -80.2 mV±4 mV  Within 350.0 mV±17.5 mV  
Blue  50.5 mV±3 mV  350.0 mV±17.5 mV  Within -32.1 mV±3 mV  
Black  0.0 mV±5 mV  0.0 mV±5 mV  Within 0.0 mV±5 mV  
  18 / 18  
  
 
Attached Table 6: Limit values for the noise spectrum level of component video  
 
Items  Approval Standards  
Y Component, 0.1 MHz to 4.2 MHz  ≦-52 dB rms  
Y Component, Unified Weighted  ≦-58 dB rms  
Pb Component, 0.1 MHz to 4.2 MHz  ≦-52 dB rms  
Pb Component, Unified Weighted  ≦-58 dB rms  
Pr Component, 0.1 MHz to 4.2 MHz  ≦-52 dB rms  
Pr Component, Unified Weighted  ≦-58 dB rms