Source: http://www.google.com/patents/US7930171?dq=6,411,947
Timestamp: 2015-05-24 03:25:17
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Matched Legal Cases: ['art 7', 'art 7', 'art 7', 'art 7', 'art 3', 'art 3', 'art 7', 'art 7', 'Application No. 03', 'Application No. 03']

Patent US7930171 - Multi-channel audio encoding/decoding with parametric compression ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsThe invention includes several techniques and tools, which can be used in combination or separately. For example, an audio encoder can encode information directly using coding processes that include a windowed overlapped transform, a selective multi-channel transform, scalar quantization and entropy...http://www.google.com/patents/US7930171?utm_source=gb-gplus-sharePatent US7930171 - Multi-channel audio encoding/decoding with parametric compression/decompression and weight factorsAdvanced Patent SearchPublication numberUS7930171 B2Publication typeGrantApplication numberUS 11/781,851Publication dateApr 19, 2011Filing dateJul 23, 2007Priority dateDec 14, 2001Fee statusPaidAlso published asUS6934677, US7143030, US7155383, US7249016, US8428943, US20030115051, US20050149323, US20050149324, US20050159947, US20080015850, US20110166864, US20130208901Publication number11781851, 781851, US 7930171 B2, US 7930171B2, US-B2-7930171, US7930171 B2, US7930171B2InventorsWei-ge Chen, Ming-Chieh Lee, Naveen ThumpudiOriginal AssigneeMicrosoft CorporationExport CitationBiBTeX, EndNote, RefManPatent Citations (113), Non-Patent Citations (77), Referenced by (4), Classifications (12), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetMulti-channel audio encoding/decoding with parametric compression/decompression and weight factors
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS4953196May 11, 1988Aug 28, 1990Ricoh Company, Ltd.Image transmission systemUS5079547Feb 27, 1991Jan 7, 1992Victor Company Of Japan, Ltd.Method of orthogonal transform coding/decodingUS5260980Aug 20, 1991Nov 9, 1993Sony CorporationDigital signal encoderUS5388181Sep 29, 1993Feb 7, 1995Anderson; David J.Digital audio compression systemUS5524054Jun 21, 1994Jun 4, 1996Deutsche Thomson-Brandt GmbhMethod for generating a multi-channel audio decoder matrixUS5627938Sep 22, 1994May 6, 1997Lucent Technologies Inc.Rate loop processor for perceptual encoder/decoderUS5629780Dec 19, 1994May 13, 1997The United States Of America As Represented By The Administrator Of The National Aeronautics And Space AdministrationImage data compression having minimum perceptual errorUS5632003Nov 1, 1993May 20, 1997Dolby Laboratories Licensing CorporationComputationally efficient adaptive bit allocation for coding method and apparatusUS5636324Mar 31, 1995Jun 3, 1997Matsushita Electric Industrial Co., Ltd.Apparatus and method for stereo audio encoding of digital audio signal dataUS5661755Oct 20, 1995Aug 26, 1997U. S. Philips CorporationEncoding and decoding of a wideband digital information signalUS5661823Sep 24, 1993Aug 26, 1997Kabushiki Kaisha ToshibaImage data processing apparatus that automatically sets a data compression rateUS5682152Mar 19, 1996Oct 28, 1997Johnson-Grace CompanyData compression using adaptive bit allocation and hybrid lossless entropy encodingUS5684920Mar 13, 1995Nov 4, 1997Nippon Telegraph And TelephoneAcoustic signal transform coding method and decoding method having a high efficiency envelope flattening method thereinUS5686964Dec 4, 1995Nov 11, 1997Tabatabai; AliBit rate control mechanism for digital image and video data compressionUS5701346Feb 2, 1995Dec 23, 1997Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.Method of coding a plurality of audio signalsUS5787390Dec 11, 1996Jul 28, 1998France TelecomMethod for linear predictive analysis of an audiofrequency signal, and method for coding and decoding an audiofrequency signal including application thereofUS5812971Mar 22, 1996Sep 22, 1998Lucent Technologies Inc.Enhanced joint stereo coding method using temporal envelope shapingUS5822370Apr 16, 1996Oct 13, 1998Aura Systems, Inc.Compression/decompression for preservation of high fidelity speech quality at low bandwidthUS5826221Oct 29, 1996Oct 20, 1998Oki Electric Industry Co., Ltd.Vocal tract prediction coefficient coding and decoding circuitry capable of adaptively selecting quantized values and interpolation valuesUS5835030Apr 3, 1995Nov 10, 1998Sony CorporationSignal encoding method and apparatus using selected predetermined code tablesUS5845243Feb 3, 1997Dec 1, 1998U.S. Robotics Mobile Communications Corp.Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of audio informationUS5890108Oct 3, 1996Mar 30, 1999Voxware, Inc.Low bit-rate speech coding system and method using voicing probability determinationUS5956674May 2, 1996Sep 21, 1999Digital Theater Systems, Inc.Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channelsUS5960390Oct 2, 1996Sep 28, 1999Sony CorporationCoding method for using multi channel audio signalsUS5969750Sep 4, 1996Oct 19, 1999Winbcnd Electronics CorporationMoving picture camera with universal serial bus interfaceUS5973629Nov 25, 1997Oct 26, 1999Yamaha CorporationDifferential PCM system with frame word length responsive to magnitudeUS5974380Dec 16, 1997Oct 26, 1999Digital Theater Systems, Inc.Multi-channel audio decoderUS5995151Sep 18, 1997Nov 30, 1999Tektronix, Inc.Bit rate control mechanism for digital image and video data compressionUS6016111Nov 26, 1997Jan 18, 2000Samsung Electronics Co., Ltd.Digital data coding/decoding method and apparatusUS6029126Jun 30, 1998Feb 22, 2000Microsoft CorporationScalable audio coder and decoderUS6041295Apr 10, 1996Mar 21, 2000Corporate Computer SystemsComparing CODEC input/output to adjust psycho-acoustic parametersUS6058362Jun 30, 1998May 2, 2000Microsoft CorporationSystem and method for masking quantization noise of audio signalsUS6064954Mar 4, 1998May 16, 2000International Business Machines Corp.Digital audio signal codingUS6104996Sep 30, 1997Aug 15, 2000Nokia Mobile Phones LimitedAudio coding with low-order adaptive prediction of transientsUS6115688Aug 16, 1996Sep 5, 2000Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.Process and device for the scalable coding of audio signalsUS6115689May 27, 1998Sep 5, 2000Microsoft CorporationScalable audio coder and decoderUS6134523Dec 10, 1997Oct 17, 2000Kokusai Denshin Denwa Kabushiki KaishaCoding bit rate converting method and apparatus for coded audio dataUS6167373Dec 30, 1999Dec 26, 2000Matsushita Electric Industrial Co., Ltd.Linear prediction coefficient analyzing apparatus for the auto-correlation function of a digital speech signalUS6182034Jun 30, 1998Jan 30, 2001Microsoft CorporationSystem and method for producing a fixed effort quantization step size with a binary searchUS6185253Oct 31, 1997Feb 6, 2001Lucent Technology, Inc.Perceptual compression and robust bit-rate control systemUS6205430Sep 26, 1997Mar 20, 2001Stmicroelectronics Asia Pacific Pte LimitedAudio decoder with an adaptive frequency domain downmixerUS6212495Oct 8, 1998Apr 3, 2001Oki Electric Industry Co., Ltd.Coding method, coder, and decoder processing sample values repeatedly with different predicted valuesUS6226616Jun 21, 1999May 1, 2001Digital Theater Systems, Inc.Sound quality of established low bit-rate audio coding systems without loss of decoder compatibilityUS6240380Jun 30, 1998May 29, 2001Microsoft CorporationSystem and method for partially whitening and quantizing weighting functions of audio signalsUS6249614Mar 6, 1998Jun 19, 2001Alaris, Inc.Video compression and decompression using dynamic quantization and/or encodingUS6253185Nov 12, 1998Jun 26, 2001Lucent Technologies Inc.Multiple description transform coding of audio using optimal transforms of arbitrary dimensionUS6256608 *Jun 30, 1998Jul 3, 2001Microsoa CorporationSystem and method for entropy encoding quantized transform coefficients of a signalUS6353807May 4, 1999Mar 5, 2002Sony CorporationInformation coding method and apparatus, code transform method and apparatus, code transform control method and apparatus, information recording method and apparatus, and program providing mediumUS6366881Feb 18, 1998Apr 2, 2002Sanyo Electric Co., Ltd.Voice encoding methodUS6370128Jan 21, 1998Apr 9, 2002Nokia Telecommunications OyMethod for control channel range extension in a cellular radio system, and a cellular radio systemUS6370502May 27, 1999Apr 9, 2002America Online, Inc.Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codecUS6393392Sep 28, 1999May 21, 2002Telefonaktiebolaget Lm Ericsson (Publ)Multi-channel signal encoding and decodingUS6404827May 19, 1999Jun 11, 2002Matsushita Electric Industrial Co., Ltd.Method and apparatus for linear predictingUS6418405Sep 30, 1999Jul 9, 2002Motorola, Inc.Method and apparatus for dynamic segmentation of a low bit rate digital voice messageUS6424939Mar 13, 1998Jul 23, 2002Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.Method for coding an audio signalUS6445739Feb 5, 1998Sep 3, 2002Matsushita Electric Industrial Co., Ltd.Quantization matrix for still and moving picture codingUS6473561Jul 18, 2000Oct 29, 2002Samsung Electronics Co., Ltd.DVD disc, device and method for reproducing the sameUS6499010Jan 4, 2000Dec 24, 2002Agere Systems Inc.Perceptual audio coder bit allocation scheme providing improved perceptual quality consistencyUS6594626Jan 8, 2002Jul 15, 2003Fujitsu LimitedVoice encoding and voice decoding using an adaptive codebook and an algebraic codebookUS6658162Oct 13, 1999Dec 2, 2003Sharp Laboratories Of AmericaImage coding method using visual optimizationUS6680972Jun 9, 1998Jan 20, 2004Coding Technologies Sweden AbSource coding enhancement using spectral-band replicationUS6738074Dec 8, 2000May 18, 2004Texas Instruments IncorporatedImage compression system and methodUS6757654May 11, 2000Jun 29, 2004Telefonaktiebolaget Lm EricssonForward error correction in speech codingUS6760698Feb 12, 2001Jul 6, 2004Mindspeed Technologies Inc.System for coding speech information using an adaptive codebook with enhanced variable resolution schemeUS6766293Mar 13, 1998Jul 20, 2004Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V.Method for signalling a noise substitution during audio signal codingUS6771777Jun 3, 1997Aug 3, 2004Fraunhofer-Gesellschaft zur F�rderung der angewandten Forschung e.V.Process for coding and decoding stereophonic spectral valuesUS6807524Oct 27, 1999Oct 19, 2004Voiceage CorporationPerceptual weighting device and method for efficient coding of wideband signalsUS6865534Jun 15, 1999Mar 8, 2005Nec CorporationSpeech and music signal coder/decoderUS6934677Dec 14, 2001Aug 23, 2005Microsoft CorporationQuantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bandsUS7027982 *Dec 14, 2001Apr 11, 2006Microsoft CorporationQuality and rate control strategy for digital audioUS7096240Oct 30, 1999Aug 22, 2006Stmicroelectronics Asia Pacific Pte Ltd.Channel coupling for an AC-3 encoderUS7136418 *Aug 22, 2001Nov 14, 2006University Of WashingtonScalable and perceptually ranked signal coding and decodingUS7143030 *Feb 17, 2005Nov 28, 2006Microsoft CorporationParametric compression/decompression modes for quantization matrices for digital audioUS7146313 *Dec 14, 2001Dec 5, 2006Microsoft CorporationTechniques for measurement of perceptual audio qualityUS7155383 *Feb 17, 2005Dec 26, 2006Microsoft CorporationQuantization matrices for jointly coded channels of audioUS7240001 *Dec 14, 2001Jul 3, 2007Microsoft CorporationQuality improvement techniques in an audio encoderUS7249016 *Feb 17, 2005Jul 24, 2007Microsoft CorporationQuantization matrices using normalized-block pattern of digital audioUS7260525 *Feb 24, 2005Aug 21, 2007Microsoft CorporationFiltering of control parameters in quality and rate control for digital audioUS7263482 *Feb 24, 2005Aug 28, 2007Microsoft CorporationAccounting for non-monotonicity of quality as a function of quantization in quality and rate control for digital audioUS7269559Jan 24, 2002Sep 11, 2007Sony CorporationSpeech decoding apparatus and method using prediction and class tapsUS7277848 *Feb 24, 2005Oct 2, 2007Microsoft CorporationMeasuring and using reliability of complexity estimates during quality and rate control for digital audioUS7283952 *Feb 24, 2005Oct 16, 2007Microsoft CorporationCorrecting model bias during quality and rate control for digital audioUS7295971 *Nov 14, 2006Nov 13, 2007Microsoft CorporationAccounting for non-monotonicity of quality as a function of quantization in quality and rate control for digital audioUS7295973 *Feb 24, 2005Nov 13, 2007Microsoft CorporationQuality control quantization loop and bitrate control quantization loop for quality and rate control for digital audioUS7299175 *Feb 24, 2005Nov 20, 2007Microsoft CorporationNormalizing to compensate for block size variation when computing control parameter values for quality and rate control for digital audioUS7460993 *Dec 14, 2001Dec 2, 2008Microsoft CorporationAdaptive window-size selection in transform codingUS20020143556Jan 26, 2001Oct 3, 2002Kadatch Andrew V.Quantization loop with heuristic approachUS20030236580Jun 19, 2002Dec 25, 2003Microsoft CorporationConverting M channels of digital audio data into N channels of digital audio dataUS20040001608Jan 2, 2003Jan 1, 2004Rhoads Geoffrey B.Image processor and image processing methodUS20040044527Aug 15, 2003Mar 4, 2004Microsoft CorporationQuantization and inverse quantization for audioUS20040093208Nov 7, 2003May 13, 2004Lin YinAudio coding method and apparatusUS20050065780Oct 29, 2004Mar 24, 2005Microsoft CorporationDigital audio signal filtering mechanism and methodUS20050165611Jun 29, 2004Jul 28, 2005Microsoft CorporationEfficient coding of digital media spectral data using wide-sense perceptual similarityUSRE36721Nov 22, 1995May 30, 2000Kabushiki Kaisha ToshibaSpeech coding and decoding apparatusEP0597649A2Nov 8, 1993May 18, 1994Sony CorporationHigh efficiency coding method and apparatusEP0669724A1Jul 15, 1994Aug 30, 1995Sony CorporationHigh-efficiency encoding method, high-efficiency decoding method, high-efficiency encoding device, high-efficiency decoding device, high-efficiency encoding/decoding system and recording mediaEP0910927A1Jun 3, 1997Apr 28, 1999AT &amp; T Laboratories/ResearchProcess for coding and decoding stereophonic spectral valuesEP0924962A1Apr 10, 1998Jun 23, 1999Sony CorporationEncoding method and device, decoding method and device, and recording mediumEP0931386A1Mar 13, 1998Jul 28, 1999Fraunhofer-Gesellschaft Zur F�rderung Der Angewandten Forschung E.V.Method for signalling a noise substitution during audio signal codingEP1093113A2Sep 27, 2000Apr 18, 2001Motorola, Inc.Method and apparatus for dynamic segmentation of a low bit rate digital voice messageEP1175030A2Jun 14, 2001Jan 23, 2002Nokia Mobile Phones Ltd.Method and system for multichannel perceptual audio coding using the cascaded discrete cosine transform or modified discrete cosine transformGB2318029A Title not availableJP2001044844A Title not availableJP2001285073A Title not availableJP2002526798A Title not availableJPH0675590A Title not availableJPH06149292A Title not availableWO1988001811A1Aug 29, 1987Mar 10, 1988Brandenburg Karl HeinzDigital coding processWO1995002925A1Jul 15, 1994Jan 26, 1995Kenzo AkagiriHigh-efficiency encoding method, high-efficiency decoding method, high-efficiency encoding device, high-efficiency decoding device, high-efficiency encoding/decoding system and recording mediaWO1995002930A1Jul 18, 1994Jan 26, 1995Grant Allen DavidsonComputationally efficient adaptive bit allocation for coding method and apparatusWO1999043110A1Feb 21, 1998Aug 26, 1999Mohammed Javed AbsarA fast frequency transformation techique for transform audio codersWO2000002357A1Jul 5, 1999Jan 13, 2000Peter Graham CravenTranscoders for fixed and variable rate data streamsWO2000060746A2Apr 7, 2000Oct 12, 2000Peter Graham CravenMatrixing for losseless encoding and decoding of multichannels audio signals* Cited by examinerNon-Patent CitationsReference1"ISO/IEC 13818-7, Information Technology-Generic Coding of Moving Pictures and Associated Audio Information-Part 7: Advanced Audio Coding (AAC), Technical Corrigendum 1" 22 pp. (1998).2"ISO/IEC 13818-7, Information Technology-Generic Coding of Moving Pictures and Associated Audio Information-Part 7: Advanced Audio Coding (AAC)," 174 pp. (1997).3"MPEG2 Audio for DVD: the Compromise Choice," 5 pp. (Oct. 1996).4"ISO/IEC 13818-7, Information Technology—Generic Coding of Moving Pictures and Associated Audio Information—Part 7: Advanced Audio Coding (AAC), Technical Corrigendum 1" 22 pp. (1998).5"ISO/IEC 13818-7, Information Technology—Generic Coding of Moving Pictures and Associated Audio Information—Part 7: Advanced Audio Coding (AAC)," 174 pp. (1997).6A.M. Kondoz, Digital Speech: Coding for Low Bit Rate Communications Systems, "Chapter 3.3: Linear Predictive Modeling of Speech Signals" and "Chapter 4: LPC Parameter Quantisation Using LSFs," John Wiley & Sons, pp. 42-53 and 79-97 (1994).7Advanced Television Systems Committee, ATSC Standard: Digital Audio Compression (AC-3), Revision A, 140 pp. (1995).8Beerends, "Audio Quality Determination Based on Perceptual Measurement Techniques," Applications of Digital Signal Processing to Audio and Acoustics, Chapter 1, Ed. Mark Kahrs, Karlheinz Brandenburg, Kluwer Acad. Publ., pp. 1-38 (1998).9Bosi et al., "ISO/IEC MPEG-2 Advanced Audio Coding," Journal of the Audio Engineering Society, Audio Engineering Society, vol. 45, No. 10, pp. 789-812 (1997).10Brandenburg et al, "Second Generation Perceptual Audio Coding: the Hybrid Coder," AES Preprint, 13 pp. (Mar. 1990).11Brandenburg et al., "ASPEC: Adaptive Spectral Entropy Coding of High Quality Music Signals," Proc. AES, 12 pp. (Feb. 1991).12Brandenburg et al., "Low Bit Rate Codecs for Audio Signals: Implementations in Real Time," Proc. AES, 12 pp. (Nov. 1988).13Brandenburg et al., "Low Bit Rate Coding of High-quality Digital Audio: Algorithms and Evaluation of Quality," Proc. AES, pp. 201-209 (May 1989).14Brandenburg, "ASPEC Coding", AES 10th International Conference, pp. 81-90 (1991).15Brandenburg, "ASPEC Coding", AES 10th International Conference, pp. 81-90 (Sep. 1991).16Brandenburg, "High Quality Sound Coding at 2.5 Bits/Sample," Proc. AES, 15 pp. (Mar. 1988).17Brandenburg, "OCF: Coding High Quality Audio with Data Rates of 64 kbit/sec," Proc. AES, 17 pp. (Mar. 1988).18Brandenburg, "OCF-A New Coding Algorithm for High Quality Sound Signals," Proc. ICASSP, pp. 5.1.1-5.1.4 (May 1987).19Brandenburg, "OCF—A New Coding Algorithm for High Quality Sound Signals," Proc. ICASSP, pp. 5.1.1-5.1.4 (May 1987).20Caetano et al., "Rate Control Strategy for Embedded Wavelet Video Coders," Electronics Letters, pp. 1815-1817 (Oct. 14, 1999).21Davis, "The AC-3 Multichannel Coder," Dolby Laboratories, 9 pp. (Downloaded from the World Wide Web on Aug. 15, 2002).22De Luca, "AN1090 Application Note: STA013 MPEG 2.5 Layer III Source Decoder," STMicroelectronics, 17 pp. (1999).23de Queiroz et al., "Time-Varying Lapped Transforms and Wavelet Packets," IEEE Transactions on Signal Processing, vol. 41, pp. 3293-3305 (1993).24Dolby Laboratories, "AAC Technology," 4 pp. [Downloaded from the web site aac-audio.com on World Wide Web on Nov. 21, 2001.].25Duhamel et al., "A Fast Algorithm for the Implementation of Filter Banks Based on Time Domain Aliasing Cancellation," Proc. Int'l Conf. Acous., Speech, and Sig. Process, pp. 2209-2212 (May 1991).26Edler et al., "Perceptual Audio Coding Using a Time-Varying Linear Pre- and Post-Filter," in AES 109th Convention, Los Angeles, California, 12 pp. (Sep. 2000).27Fraunhofer-Gesellschaft, "MPEG Audio Layer-3," 4 pp. [Downloaded from the World Wide Web on Oct. 24, 2001.].28Fraunhofer-Gesellschaft, "MPEG-2 AAC," 3 pp. [Downloaded from the World Wide Web on Oct. 24, 2001.].29Geiger et al., "Audio Coding Based on Integer Transforms," AES Convention Paper 5471, 111th AES Convention, New York, NY, 9 pages, Sep. 21-24, 2001.30Gibson et al., Digital Compression for Multimedia, Title Page, Contents, "Chapter 7: Frequency Domain Coding," Morgan Kaufman Publishers, Inc., pp. iii, v-xi, and 227-262 (1998).31H.S. Malvar, "Lapped Transforms for Efficient Transform/Subband Coding," IEEE Transactions on Acoustics, Speech and Signal Processing, vol. 38, No. 6, pp. 969-978 (1990).32H.S. Malvar, Signal Processing with Lapped Transforms, Artech House, Norwood, MA, pp. iv, vii-xi, 175-218, and 353-357 (1992).33Herley et al., "Tilings of the Time-Frequency Plane: Construction of Arbitrary Orthogonal Bases and Fast Tiling Algorithms," IEEE Transactions on Signal Processing, vol. 41, No. 12, pp. 3341-3359 (1993).34ISO/IEC 11172-3, Information Technology-Coding of Moving Pictures and Associated Audio for Digital Storage Media at Up to About 1.5 Mbit/s-Part 3: Audio, 154 pp. (1993).35ISO/IEC 11172-3, Information Technology—Coding of Moving Pictures and Associated Audio for Digital Storage Media at Up to About 1.5 Mbit/s—Part 3: Audio, 154 pp. (1993).36ISO/IEC 13818-7, Information technology-Generic coding of moving pictures and associated audio information-Part 7: Advanced Audio Coding (AAC), 150 pp. (1997).37ISO/IEC 13818-7, Information technology—Generic coding of moving pictures and associated audio information—Part 7: Advanced Audio Coding (AAC), 150 pp. (1997).38ITU, Recommendation ITU-R BS 1115, Low Bit-Rate Audio Coding, 9 pp. (1994).39ITU, Recommendation ITU-R BS 1387, Method for Objective Measurements of Perceived Audio Quality, 89 pp. (1998).40Iwadare et al., "A 128 kb/s Hi-Fi Audio CODEC Based on Adaptive Transform Coding with Adaptive Block Size MDCT," IEEE. J. Sel. Areas in Comm., pp. 138-144 (Jan. 1992).41Jesteadt et al., "Forward Masking as a Function of Frequency, Masker Level, and Signal Delay," Journal of Acoustical Society of America, 71:950-962 (1982).42Johnston, "Perceptual Transform Coding of Wideband Stereo Signals," Proc. ICASSP, pp. 1993-1996 (May 1989).43Johnston, "Transform Coding of Audio Signals Using Perceptual Noise Criteria," IEEE J. Sel. Areas in Comm., pp. 314-323 (Feb. 1988).44Kuo et al., "A Study of Why Cross Channel Prediction is Not Applicable to Perceptual Audio Coding," IEEE Signal Processing Letters, vol. 8, No. 9, 3 pp. (Sep. 2001).45Lopez et al., "Software Toolbox for Multichannel Sound Reproduction," Proceedings of Digital Audio Effects Conference (DAFX), Barcelona, Spain, 4 pages, Dec. 1998.46Lufti, "Additivity of Simultaneous Masking," Journal of Acoustic Society of America, 73:262-267 (1983).47Mahieux et al., "Transform Coding of Audio Signals at 64 kbits/sec," Proc. Globecom, pp. 405.2.1-405.2.5 (Nov. 1990).48Malvar, "Biorthogonal and Nonuniform Lapped Transforms for Transform Coding with Reduced Blocking and Ringing Artifacts," appeared in IEEE Transactions on Signal Processing, Special Issue on Multirate Systems, Filter Banks, Wavelets, and Applications, vol. 46, 29 pp. (1998).49Meares, D.J., "Matrixed Surround Sound in an MPEG Digital World," Journal of the Audio Engineering Society, vol. 46, No. 4, 13 pp. (Apr. 1998).50Najafzadeh-Azghandi et al., "Improving perceptual coding of narrowband audio signals at low rates," Acoustics, Speech, and Signal Processings, IEEE International Conference on Phoenix, AZ, vol. 2, pp. 913-916, Mar. 15, 1999.51Opticom GmbH, "Objective Perceptual Measurement," 14 pp. [Downloaded from the World Wide Web on Oct. 24, 2001.].52Phamdo, "Speech Compression," 13 pp. [Downloaded from the World Wide Web on Nov. 25, 2001.].53Ribas Corbera et al., "Rate Control in DCT Video Coding for Low-Delay Communications," IEEE Transactions on Circuits and Systems for Video Technology, vol. 9, No. 1, pp. 172-185 (Feb. 1999).54Schroder et al., "High Quality Digital Audio Encoding with 3.0 Bits/Semple using Adaptive Transform Coding," Proc. 80th Conv. Aud. Eng. Soc., 8 pp. (Mar. 1986).55Search Report for European Patent Application No. 03 020 110.7, Mar. 28, 2006.56Search Report for European Patent Application No. 03 020 111.5, Mar. 28, 2006.57Seymour Schlien, "The Modulated Lapped Transform, Its Time-Varying Forms, and Its Application to Audio Coding Standards," IEEE Transactions on Speech and Audio Processing, vol. 5, No. 4, pp. 359-366 (Jul. 1997).58Solari, Digital Video and Audio Compression, Title Page, Contents, "Chapter 8: Sound and Audio," McGraw-Hill, Inc., pp. iii, v-vi, and 187-211 (1997).59Srinivasan et al., "High-Quality Audio Compression Using an Adaptive Wavelet Packet Decomposition and Psychoacoustic Modeling," IEEE Transactions on Signal Processing, vol. 46, No. 4, pp. 1085-1093 (Apr. 1998).60Stuart et al., "Lossless Compression for DVD-Audio," in AES 9th Regional Convention Tokyo, 4 pp. (1999).61Terhardt, "Calculating Virtual Pitch," Hearing Research, 1:155-182 (1979).62Theile et al., "Low-Bit Rate Coding of High Quality Audio Signals," Proc. AES, 32 pp. (Mar. 1987).63U.S. Appl. No. 09/771,371, filed Jan. 26, 2001, Kadatch.64U.S. Appl. No. 10/016,918, filed Dec. 14, 2001, Chen.65U.S. Appl. No. 10/017,694, filed Dec. 14, 2001, Chen.66U.S. Appl. No. 10/017,861, filed Dec. 14, 2001, Chen.67U.S. Appl. No. 10/020,708, filed Dec. 14, 2001, Chen.68Vaidyanathan, Multirate Systems and Filter Banks, Prentice Hall Signal Processing Series, Cover page, pp. 745-751 (1992).69Van Assche et al., "Lossless Compression of Pre-Press Image Using a Novel Color Decorrelation Technique," Proc. SPIE, Very High Resolution and Quality III. vol. 3308, 8 pp. (1998).70Wang et al., "A Multichannel Audio Coding Algorithm for Inter-Channel Redundancy Removal," in AES 110th Convention, Amsterdam, the Netherlands, 6pp. (May 2001).71Wang et al., "EE225a Lecture 13: Karhunen Lo�ve Transform and Discrete Cosine Transform," Department of EECS, University of California at Berkley, 10 pp. (Mar. 2002).72Wragg et al., "An Optimised Software Solution for an ARM Powered(TM) MP3 Decoder," 9 pp. [Downloaded from the World Wide Web on Oct. 27, 2001.].73Wragg et al., "An Optimised Software Solution for an ARM Powered™ MP3 Decoder," 9 pp. [Downloaded from the World Wide Web on Oct. 27, 2001.].74Yang et al., "Adaptive Karhunen-Loeve Transform for Enhanced Multichannel Audio Coding," Proc. SPIE vol. 4475, 13 pp., Mathematics of Data/Image Coding, Compression, and Encryption IV San Diego, CA. (Jul. 29-Aug. 3, 2001).75Yang et al., "An Inter-Channel Redundancy Removal Approach for High-Quality Multichannel Audio Compression," in AES 109th Convention, Los Angeles, California, 8 pp. (Sep. 2000).76Zwicker et al., Das Ohr als Nachrichtenempfanger, Title Page, Table of Contents, "I: Schallschwingungen," Index, Hirzel-Verlag, Stuttgart, pp. III, IX-XI, 1-26, and 231-232 (1967).77Zwicker, Psychoakustik, Title Page, Table of Contents, "Teil I: Einfuhrung," Index, Springer-Verlag, Berlin Heidelberg, New York, pp. II, IX-XI, 1-30, and 157-162 (1982).Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8099276 *Sep 29, 2010Jan 17, 2012Kabushiki Kaisha ToshibaSound quality control device and sound quality control methodUS8428943 *Mar 11, 2011Apr 23, 2013Microsoft CorporationQuantization matrices for digital audioUS20110166864 *Mar 11, 2011Jul 7, 2011Microsoft CorporationQuantization matrices for digital audioUS20120215525 *Apr 26, 2012Aug 23, 2012Huawei Technologies Co., Ltd.Method and apparatus for mixed dimensionality encoding and decoding* Cited by examinerClassifications U.S. Classification704/200.1, 704/500, 704/203, 704/219International ClassificationG10L19/02, G10L19/008Cooperative ClassificationG10L19/02, G10L19/008, G10L19/0204European ClassificationG10L19/02S, G10L19/02, G10L19/008Legal EventsDateCodeEventDescriptionDec 9, 2014ASAssignmentOwner name: MICROSOFT TECHNOLOGY LICENSING, LLC, WASHINGTONFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MICROSOFT CORPORATION;REEL/FRAME:034542/0001Effective date: 20141014Sep 24, 2014FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services