AU2014204954B2 - Model based prediction in a critically sampled filterbank - Google Patents

Model based prediction in a critically sampled filterbank Download PDF

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AU2014204954B2
AU2014204954B2 AU2014204954A AU2014204954A AU2014204954B2 AU 2014204954 B2 AU2014204954 B2 AU 2014204954B2 AU 2014204954 A AU2014204954 A AU 2014204954A AU 2014204954 A AU2014204954 A AU 2014204954A AU 2014204954 B2 AU2014204954 B2 AU 2014204954B2
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subband
signal
prediction
samples
model
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AU2014204954A1 (en
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Lars Villemoes
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Dolby International AB
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Dolby International AB
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Priority to AU2019264642A priority patent/AU2019264642B2/en
Priority to AU2021200013A priority patent/AU2021200013B2/en
Priority to AU2022201676A priority patent/AU2022201676B2/en
Priority to AU2023203057A priority patent/AU2023203057B2/en
Priority to AU2024205020A priority patent/AU2024205020B2/en
Priority to AU2025237948A priority patent/AU2025237948A1/en
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    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
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    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
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    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
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    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
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    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
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    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
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    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/093Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models
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    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2111/00Details relating to CAD techniques
    • G06F2111/08Probabilistic or stochastic CAD
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388Details of processing therefor

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Evolutionary Computation (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of Radiation (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
AU2014204954A 2013-01-08 2014-01-07 Model based prediction in a critically sampled filterbank Active AU2014204954B2 (en)

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Application Number Priority Date Filing Date Title
AU2017216470A AU2017216470B2 (en) 2013-01-08 2017-08-15 Model based prediction in a critically sampled filterbank
AU2019264642A AU2019264642B2 (en) 2013-01-08 2019-11-15 Model based prediction in a critically sampled filterbank
AU2021200013A AU2021200013B2 (en) 2013-01-08 2021-01-04 Model based prediction in a critically sampled filterbank
AU2022201676A AU2022201676B2 (en) 2013-01-08 2022-03-10 Model based prediction in a critically sampled filterbank
AU2023203057A AU2023203057B2 (en) 2013-01-08 2023-05-16 Model based prediction in a critically sampled filterbank
AU2024205020A AU2024205020B2 (en) 2013-01-08 2024-07-22 Model based prediction in a critically sampled filterbank
AU2025237948A AU2025237948A1 (en) 2013-01-08 2025-09-24 Model based prediction in a critically sampled filterbank

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US201361750052P 2013-01-08 2013-01-08
US61/750,052 2013-01-08
US201361875528P 2013-09-09 2013-09-09
US61/875,528 2013-09-09
PCT/EP2014/050139 WO2014108393A1 (en) 2013-01-08 2014-01-07 Model based prediction in a critically sampled filterbank

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AU2019264642A Active AU2019264642B2 (en) 2013-01-08 2019-11-15 Model based prediction in a critically sampled filterbank
AU2021200013A Active AU2021200013B2 (en) 2013-01-08 2021-01-04 Model based prediction in a critically sampled filterbank
AU2022201676A Active AU2022201676B2 (en) 2013-01-08 2022-03-10 Model based prediction in a critically sampled filterbank
AU2023203057A Active AU2023203057B2 (en) 2013-01-08 2023-05-16 Model based prediction in a critically sampled filterbank
AU2024205020A Active AU2024205020B2 (en) 2013-01-08 2024-07-22 Model based prediction in a critically sampled filterbank
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AU2019264642A Active AU2019264642B2 (en) 2013-01-08 2019-11-15 Model based prediction in a critically sampled filterbank
AU2021200013A Active AU2021200013B2 (en) 2013-01-08 2021-01-04 Model based prediction in a critically sampled filterbank
AU2022201676A Active AU2022201676B2 (en) 2013-01-08 2022-03-10 Model based prediction in a critically sampled filterbank
AU2023203057A Active AU2023203057B2 (en) 2013-01-08 2023-05-16 Model based prediction in a critically sampled filterbank
AU2024205020A Active AU2024205020B2 (en) 2013-01-08 2024-07-22 Model based prediction in a critically sampled filterbank
AU2025237948A Pending AU2025237948A1 (en) 2013-01-08 2025-09-24 Model based prediction in a critically sampled filterbank

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US (10) US9659567B2 (enExample)
EP (5) EP2943953B1 (enExample)
JP (7) JP6173484B2 (enExample)
KR (1) KR101634979B1 (enExample)
CN (2) CN107452392B (enExample)
AU (8) AU2014204954B2 (enExample)
BR (2) BR112015016275B1 (enExample)
CA (8) CA3076775C (enExample)
DK (1) DK2943953T3 (enExample)
ES (4) ES2980709T3 (enExample)
HU (1) HUE032831T2 (enExample)
IL (11) IL315641A (enExample)
IN (1) IN2015MN01874A (enExample)
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Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR122019013299B1 (pt) 2010-04-09 2021-01-05 Dolby International Ab aparelho e método para emitir um sinal de áudio esterofônico possuindo um canal esquerdo e um canal direito e meio legível por computador não transitório
IN2015MN01874A (enExample) * 2013-01-08 2015-08-28 Dolby Int Ab
IL278164B (en) 2013-04-05 2022-08-01 Dolby Int Ab Audio encoder and decoder
ES2628127T3 (es) 2013-04-05 2017-08-01 Dolby International Ab Cuantificador avanzado
JP6543838B2 (ja) * 2014-08-28 2019-07-17 株式会社緑野リサーチ 位相撮影装置およびその復元方法
WO2016142002A1 (en) * 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
EP3800636B1 (en) 2017-09-12 2023-03-08 Dolby Laboratories Licensing Corporation Packet loss concealment for critically-sampled filter bank-based codecs using multi-sinusoidal detection
CN110068771B (zh) * 2019-05-28 2020-02-07 山东大学 基于输出响应重构的高精度电池模型参数辨识方法及系统
CN110849971B (zh) * 2019-11-21 2021-05-18 西南交通大学 基于双指数窗函数法的结构模态参数识别方法
CN113452472B (zh) * 2020-03-26 2024-05-31 瑞昱半导体股份有限公司 无线信号的分组检测方法及其系统
US11348594B2 (en) * 2020-06-11 2022-05-31 Qualcomm Incorporated Stream conformant bit error resilience
CN112259116B (zh) * 2020-10-14 2024-03-15 北京字跳网络技术有限公司 一种音频数据的降噪方法、装置、电子设备及存储介质
CN112767956B (zh) * 2021-04-09 2021-07-16 腾讯科技(深圳)有限公司 音频编码方法、装置、计算机设备及介质
CN115598489B (zh) * 2021-06-28 2024-04-05 本源量子计算科技(合肥)股份有限公司 量子比特参数的测量方法和装置、量子芯片的测试方法
CN114454237B (zh) * 2022-02-18 2024-05-14 杭州勤鹄科技有限公司 一种珍珠棉定长切断装置及方法
CN117610313B (zh) * 2024-01-18 2024-04-26 西安石油大学 页岩油藏人工裂缝的网格加密方法及装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060015329A1 (en) * 2004-07-19 2006-01-19 Chu Wai C Apparatus and method for audio coding

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62227198A (ja) * 1986-03-28 1987-10-06 松下電器産業株式会社 帯域分割予測符号化方法
WO1996019876A1 (en) * 1994-12-20 1996-06-27 Dolby Laboratories Licensing Corporation Method and apparatus for applying waveform prediction to subbands of a perceptual coding system
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP2891193B2 (ja) * 1996-08-16 1999-05-17 日本電気株式会社 広帯域音声スペクトル係数量子化装置
FI114248B (fi) 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
US7272556B1 (en) * 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
JP4220108B2 (ja) * 2000-06-26 2009-02-04 大日本印刷株式会社 音響信号符号化システム
FR2815160B1 (fr) 2000-10-06 2003-01-17 France Telecom Procede et dispositif de codage d'un signal audiofrequence
US6633839B2 (en) * 2001-02-02 2003-10-14 Motorola, Inc. Method and apparatus for speech reconstruction in a distributed speech recognition system
US7225135B2 (en) * 2002-04-05 2007-05-29 Lectrosonics, Inc. Signal-predictive audio transmission system
JP4218271B2 (ja) 2002-07-19 2009-02-04 ソニー株式会社 データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
US20040252772A1 (en) * 2002-12-31 2004-12-16 Markku Renfors Filter bank based signal processing
US7277550B1 (en) * 2003-06-24 2007-10-02 Creative Technology Ltd. Enhancing audio signals by nonlinear spectral operations
DE602004019928D1 (de) * 2003-07-18 2009-04-23 Koninkl Philips Electronics Nv Audiocodierung mit niedriger bitrate
WO2005055201A1 (en) * 2003-12-01 2005-06-16 Aic A highly optimized method for modelling a windowed signal
US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
PL1810281T3 (pl) * 2004-11-02 2020-07-27 Koninklijke Philips N.V. Kodowanie i dekodowanie sygnałów audio z wykorzystaniem banków filtrów o wartościach zespolonych
JP2006211243A (ja) 2005-01-27 2006-08-10 Kobe Steel Ltd ディジタル信号符号化装置,ディジタル信号符号化方法
US7177804B2 (en) 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7720677B2 (en) * 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
JP4876574B2 (ja) 2005-12-26 2012-02-15 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
US20090308229A1 (en) * 2006-06-29 2009-12-17 Nxp B.V. Decoding sound parameters
ES2712457T3 (es) * 2006-07-04 2019-05-13 Dolby Int Ab Sistema de filtro que comprende un convertidor de filtro y un compresor de filtro y procedimiento para el funcionamiento del sistema de filtro
FR2912249A1 (fr) 2007-02-02 2008-08-08 France Telecom Codage/decodage perfectionnes de signaux audionumeriques.
GB2441835B (en) * 2007-02-07 2008-08-20 Sonaptic Ltd Ambient noise reduction system
KR101149448B1 (ko) * 2007-02-12 2012-05-25 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법
JP5530720B2 (ja) * 2007-02-26 2014-06-25 ドルビー ラボラトリーズ ライセンシング コーポレイション エンターテイメントオーディオにおける音声強調方法、装置、およびコンピュータ読取り可能な記録媒体
US8428957B2 (en) * 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
KR101380170B1 (ko) * 2007-08-31 2014-04-02 삼성전자주식회사 미디어 신호 인코딩/디코딩 방법 및 장치
EP2210427B1 (en) 2007-09-26 2015-05-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for extracting an ambient signal
CA2702986C (en) * 2007-10-17 2016-08-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio coding using downmix
ATE518224T1 (de) 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
WO2009114656A1 (en) * 2008-03-14 2009-09-17 Dolby Laboratories Licensing Corporation Multimode coding of speech-like and non-speech-like signals
RU2497204C2 (ru) * 2008-05-23 2013-10-27 Конинклейке Филипс Электроникс Н.В. Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
MX2011000375A (es) 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada.
EP2144231A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
KR101360456B1 (ko) 2008-07-11 2014-02-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩
EP2301020B1 (en) * 2008-07-11 2013-01-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
US8693699B2 (en) * 2008-07-29 2014-04-08 Dolby Laboratories Licensing Corporation Method for adaptive control and equalization of electroacoustic channels
US8457975B2 (en) 2009-01-28 2013-06-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program
CN101646123B (zh) * 2009-08-28 2012-09-05 中国科学院声学研究所 一种模拟听觉感知模型的滤波器组
ES2374008B1 (es) * 2009-12-21 2012-12-28 Telefónica, S.A. Codificación, modificación y síntesis de segmentos de voz.
EP2362375A1 (en) 2010-02-26 2011-08-31 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for modifying an audio signal using harmonic locking
CN102812651B (zh) * 2010-03-26 2014-07-23 飞路得新思探有限公司 发送装置及方法
US8600737B2 (en) 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
US20120029926A1 (en) 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
CN102088603B (zh) * 2010-12-31 2013-12-04 北京大学深圳研究生院 用于视频编码器的熵编码器及其实现方法
US20120245927A1 (en) * 2011-03-21 2012-09-27 On Semiconductor Trading Ltd. System and method for monaural audio processing based preserving speech information
EP2530840B1 (en) * 2011-05-30 2014-09-03 Harman Becker Automotive Systems GmbH Efficient sub-band adaptive FIR-filtering
IN2015MN01874A (enExample) * 2013-01-08 2015-08-28 Dolby Int Ab
CN107326559A (zh) 2017-06-09 2017-11-07 杭州慧群机电设备有限公司 一种珠绣多色换珠装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060015329A1 (en) * 2004-07-19 2006-01-19 Chu Wai C Apparatus and method for audio coding

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