+

WO2010008185A3 - Procédé et appareil de codage et de décodage d’un signal audio/de parole - Google Patents

Procédé et appareil de codage et de décodage d’un signal audio/de parole Download PDF

Info

Publication number
WO2010008185A3
WO2010008185A3 PCT/KR2009/003870 KR2009003870W WO2010008185A3 WO 2010008185 A3 WO2010008185 A3 WO 2010008185A3 KR 2009003870 W KR2009003870 W KR 2009003870W WO 2010008185 A3 WO2010008185 A3 WO 2010008185A3
Authority
WO
WIPO (PCT)
Prior art keywords
signal
audio
speech signal
decode
encode
Prior art date
Application number
PCT/KR2009/003870
Other languages
English (en)
Other versions
WO2010008185A2 (fr
Inventor
Eun Mi Oh
Jung-Hoe Kim
Ho Sang Sung
Mi Young Kim
Ki Hyun Choo
Original Assignee
Samsung Electronics Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41505940&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2010008185(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Samsung Electronics Co., Ltd. filed Critical Samsung Electronics Co., Ltd.
Priority to JP2011518646A priority Critical patent/JP2011528135A/ja
Priority to CN200980135987.5A priority patent/CN102150202B/zh
Priority to EP09798088.2A priority patent/EP2313888A4/fr
Priority to BRPI0916449A priority patent/BRPI0916449A8/pt
Priority to MX2011000557A priority patent/MX2011000557A/es
Publication of WO2010008185A2 publication Critical patent/WO2010008185A2/fr
Publication of WO2010008185A3 publication Critical patent/WO2010008185A3/fr
Priority to IL210664A priority patent/IL210664A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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
    • G10L19/0204—Speech 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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
    • G10L19/0212—Speech 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 orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

L’invention concerne un procédé et un appareil de codage et de décodage d’un signal audio/de parole, consistant à transformer un signal audio ou un signal de parole appliqué en entrée en un signal à haute résolution en fréquence et/ou un signal à haute résolution temporelle; à coder le signal en établissant la résolution appropriée; à décoder le signal codé; et à traiter ainsi le signal audio, le signal de parole et un signal audio et de parole mixte.
PCT/KR2009/003870 2008-07-14 2009-07-14 Procédé et appareil de codage et de décodage d’un signal audio/de parole WO2010008185A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2011518646A JP2011528135A (ja) 2008-07-14 2009-07-14 オーディオ／音声信号の符号化及び復号化方法とその装置
CN200980135987.5A CN102150202B (zh) 2008-07-14 2009-07-14 对音频/语音信号进行编码和解码的方法和设备
EP09798088.2A EP2313888A4 (fr) 2008-07-14 2009-07-14 Procédé et appareil de codage et de décodage d un signal audio/de parole
BRPI0916449A BRPI0916449A8 (pt) 2008-07-14 2009-07-14 aparelho para codificar um sinal de áudio/voz, aparelho para decodificar sinal de áudio/voz, aparelho de decodificação de sinal de áudio/voz, método de codificar um sinal de áudio/voz, método de decodificar sinal de áudio/voz, e método de decodificar sinais de áudio e voz
MX2011000557A MX2011000557A (es) 2008-07-14 2009-07-14 Metodo y aparato de codificacion y decodificacion de señal de audio/voz.
IL210664A IL210664A (en) 2008-07-14 2011-01-13 Method and install and decode audio / speech signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080068377A KR101756834B1 (ko) 2008-07-14 2008-07-14 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
KR10-2008-0068377 2008-07-14

Publications (2)

Publication Number Publication Date
WO2010008185A2 WO2010008185A2 (fr) 2010-01-21
WO2010008185A3 true WO2010008185A3 (fr) 2010-05-27

Family

ID=41505940

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/003870 WO2010008185A2 (fr) 2008-07-14 2009-07-14 Procédé et appareil de codage et de décodage d’un signal audio/de parole

Country Status (10)

Country Link
US (3) US8532982B2 (fr)
EP (1) EP2313888A4 (fr)
JP (1) JP2011528135A (fr)
KR (1) KR101756834B1 (fr)
CN (3) CN105957532B (fr)
BR (1) BRPI0916449A8 (fr)
IL (1) IL210664A (fr)
MX (1) MX2011000557A (fr)
MY (1) MY154100A (fr)
WO (1) WO2010008185A2 (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
KR101756834B1 (ko) * 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
US20110087494A1 (en) * 2009-10-09 2011-04-14 Samsung Electronics Co., Ltd. Apparatus and method of encoding audio signal by switching frequency domain transformation scheme and time domain transformation scheme
CA2793140C (fr) 2010-04-09 2016-05-31 Dolby International Ab Codage stereo a prediction complexe a base de mdct
KR101790641B1 (ko) 2013-08-28 2017-10-26 돌비 레버러토리즈 라이쎈싱 코오포레이션 하이브리드 파형-코딩 및 파라미터-코딩된 스피치 인핸스
CN103473836B (zh) * 2013-08-30 2015-11-25 福建星网锐捷通讯股份有限公司 一种面向安全的具有声音变调功能的室内机及其智能楼宇对讲系统
US9685166B2 (en) 2014-07-26 2017-06-20 Huawei Technologies Co., Ltd. Classification between time-domain coding and frequency domain coding
CN105957533B (zh) * 2016-04-22 2020-11-10 杭州微纳科技股份有限公司 语音压缩方法、语音解压方法及音频编码器、音频解码器
US10141009B2 (en) 2016-06-28 2018-11-27 Pindrop Security, Inc. System and method for cluster-based audio event detection
US9824692B1 (en) 2016-09-12 2017-11-21 Pindrop Security, Inc. End-to-end speaker recognition using deep neural network
WO2018053537A1 (fr) 2016-09-19 2018-03-22 Pindrop Security, Inc. Améliorations de la reconnaissance de locuteurs dans un centre d'appels
US10553218B2 (en) 2016-09-19 2020-02-04 Pindrop Security, Inc. Dimensionality reduction of baum-welch statistics for speaker recognition
CA3036561C (fr) 2016-09-19 2021-06-29 Pindrop Security, Inc. Caracteristiques de bas niveau de compensation de canal pour la reconnaissance de locuteur
US10397398B2 (en) 2017-01-17 2019-08-27 Pindrop Security, Inc. Authentication using DTMF tones
CN108768587B (zh) * 2018-05-11 2021-04-27 Tcl华星光电技术有限公司 编码方法、设备及可读存储介质
WO2020159917A1 (fr) 2019-01-28 2020-08-06 Pindrop Security, Inc. Repérage de mots-clés et découverte de mots non supervisés pour une analyse de fraude
WO2020163624A1 (fr) 2019-02-06 2020-08-13 Pindrop Security, Inc. Systèmes et procédés de détection de passerelle dans un réseau téléphonique
WO2020164752A1 (fr) 2019-02-13 2020-08-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Processeur d'émetteur audio, processeur de récepteur audio et procédés et programmes informatiques associés
US11646018B2 (en) 2019-03-25 2023-05-09 Pindrop Security, Inc. Detection of calls from voice assistants
US12015637B2 (en) 2019-04-08 2024-06-18 Pindrop Security, Inc. Systems and methods for end-to-end architectures for voice spoofing detection
CN111341330B (zh) * 2020-02-10 2023-07-25 科大讯飞股份有限公司 音频编解码方法、存取方法及其相关设备及存储装置
KR20230003546A (ko) * 2020-08-28 2023-01-06 구글 엘엘씨 오디오 코덱의 감각 불협화음 및 사운드 정위 큐의 불변성 유지

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0762386A2 (fr) * 1995-08-23 1997-03-12 Oki Electric Industry Co., Ltd. Procédé et dispositif de codage CELP d'un signal audio distinguant les périodes vocales et non vocales
WO2001065544A1 (fr) * 2000-02-29 2001-09-07 Qualcomm Incorporated Codeur vocal multimode a prediction lineaire a domaine mixte et en boucle fermee
US20030004711A1 (en) * 2001-06-26 2003-01-02 Microsoft Corporation Method for coding speech and music signals

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
JP3158932B2 (ja) * 1995-01-27 2001-04-23 日本ビクター株式会社 信号符号化装置及び信号復号化装置
JP3342996B2 (ja) * 1995-08-21 2002-11-11 三星電子株式会社 多チャネルオーディオ符号化器及び符号化方法
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
DE19730129C2 (de) * 1997-07-14 2002-03-07 Fraunhofer Ges Forschung Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals
CA2246532A1 (fr) * 1998-09-04 2000-03-04 Northern Telecom Limited Codage audiofrequence perceptif
US6975254B1 (en) * 1998-12-28 2005-12-13 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Methods and devices for coding or decoding an audio signal or bit stream
US6947888B1 (en) 2000-10-17 2005-09-20 Qualcomm Incorporated Method and apparatus for high performance low bit-rate coding of unvoiced speech
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
JP4399185B2 (ja) * 2002-04-11 2010-01-13 パナソニック株式会社 符号化装置および復号化装置
EP1493146B1 (fr) * 2002-04-11 2006-08-02 Matsushita Electric Industrial Co., Ltd. Dispositifs, methodes et programmes de codage et de décodage
US7330812B2 (en) * 2002-10-04 2008-02-12 National Research Council Of Canada Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel
JP2005141121A (ja) * 2003-11-10 2005-06-02 Matsushita Electric Ind Co Ltd オーディオ再生装置
KR20070001139A (ko) * 2004-02-17 2007-01-03 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 분배 시스템, 오디오 인코더, 오디오 디코더 및이들의 동작 방법들
WO2005096508A1 (fr) 2004-04-01 2005-10-13 Beijing Media Works Co., Ltd Equipement de codage et de decodage audio ameliore, procede associe
CN1677490A (zh) 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
EP1873753A1 (fr) * 2004-04-01 2008-01-02 Beijing Media Works Co., Ltd Ameliorations apportees a un procede et un dispositif de codage/decodage audio
KR101037931B1 (ko) 2004-05-13 2011-05-30 삼성전자주식회사 2차원 데이터 처리를 이용한 음성 신호 압축 및 복원장치와 그 방법
KR100634506B1 (ko) 2004-06-25 2006-10-16 삼성전자주식회사 저비트율 부호화/복호화 방법 및 장치
CN101010726A (zh) * 2004-08-27 2007-08-01 松下电器产业株式会社 音频解码器、方法以及程序
WO2006025337A1 (fr) * 2004-08-31 2006-03-09 Matsushita Electric Industrial Co., Ltd. Appareil de génération de signal stéréophonique et méthode de génération de signal stéréophonique
US7548853B2 (en) 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
CN100561576C (zh) 2005-10-25 2009-11-18 芯晟(北京)科技有限公司 一种基于量化信号域的立体声及多声道编解码方法与系统
KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
KR101237413B1 (ko) * 2005-12-07 2013-02-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법, 오디오 신호의부호화 및 복호화 장치
DE602006006346D1 (de) * 2005-12-16 2009-05-28 Dolby Sweden Ab Vorrichtung zum erzeugen und interpretieren eines datenstroms mit einer reihe von segmenten unter verwendung von daten in nachfolgenden datenrahmen
US7809018B2 (en) * 2005-12-16 2010-10-05 Coding Technologies Ab Apparatus for generating and interpreting a data stream with segments having specified entry points
CN101136202B (zh) * 2006-08-29 2011-05-11 华为技术有限公司 音频信号处理系统、方法以及音频信号收发装置
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR100964402B1 (ko) 2006-12-14 2010-06-17 삼성전자주식회사 오디오 신호의 부호화 모드 결정 방법 및 장치와 이를 이용한 오디오 신호의 부호화/복호화 방법 및 장치
KR100883656B1 (ko) 2006-12-28 2009-02-18 삼성전자주식회사 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치
EP2165328B1 (fr) * 2007-06-11 2018-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codeur et décodeur d'un signal audio ayant une partie de type impulsion et une partie stationnaire
US7761290B2 (en) * 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
WO2009038512A1 (fr) * 2007-09-19 2009-03-26 Telefonaktiebolaget Lm Ericsson (Publ) Renforcement de réunion d'audio à plusieurs canaux
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
EP2144230A1 (fr) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Schéma de codage/décodage audio à taux bas de bits disposant des commutateurs en cascade
KR101756834B1 (ko) * 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0762386A2 (fr) * 1995-08-23 1997-03-12 Oki Electric Industry Co., Ltd. Procédé et dispositif de codage CELP d'un signal audio distinguant les périodes vocales et non vocales
WO2001065544A1 (fr) * 2000-02-29 2001-09-07 Qualcomm Incorporated Codeur vocal multimode a prediction lineaire a domaine mixte et en boucle fermee
US20030004711A1 (en) * 2001-06-26 2003-01-02 Microsoft Corporation Method for coding speech and music signals

Also Published As

Publication number Publication date
MX2011000557A (es) 2011-03-15
US9728196B2 (en) 2017-08-08
EP2313888A4 (fr) 2016-08-03
MY154100A (en) 2015-04-30
US9355646B2 (en) 2016-05-31
US20140012589A1 (en) 2014-01-09
KR20100007651A (ko) 2010-01-22
IL210664A0 (en) 2011-03-31
JP2011528135A (ja) 2011-11-10
IL210664A (en) 2014-07-31
US20100010807A1 (en) 2010-01-14
CN102150202A (zh) 2011-08-10
US20160254005A1 (en) 2016-09-01
US8532982B2 (en) 2013-09-10
KR101756834B1 (ko) 2017-07-12
CN105913851A (zh) 2016-08-31
CN105913851B (zh) 2019-12-24
EP2313888A2 (fr) 2011-04-27
CN105957532B (zh) 2020-04-17
BRPI0916449A8 (pt) 2017-11-28
CN102150202B (zh) 2016-08-03
WO2010008185A2 (fr) 2010-01-21
CN105957532A (zh) 2016-09-21

Similar Documents

Publication Publication Date Title
WO2010008185A3 (fr) Procédé et appareil de codage et de décodage d’un signal audio/de parole
TW200737738A (en) Apparatus and method for encoding and decoding signal
WO2010087614A3 (fr) Procédé de codage et de décodage d'un signal audio et son appareil
WO2008016935A3 (fr) Systèmes, procédés et appareil de codage et de décodage à large bande de trames inactives
WO2009096717A3 (fr) Procédé et appareil de codage et de décodage d'un signal audio
WO2012055016A8 (fr) Codage de signaux audio génériques à faible débit binaire et à faible retard
WO2009096713A3 (fr) Procédé et appareil pour coder et décoder un signal audio à l'aide d'une interpolation de paramètres adaptatifs lpc
WO2008110870A3 (fr) Système et procédé de codage de parole
TWI371744B (en) Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method, and encoded audio signal
MY185176A (en) Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension
MX2011008685A (es) Codificador, decodificador y metodo para los mismos.
WO2009001874A1 (fr) Procédé de codage audio, procédé de décodage audio, dispositif de codage audio, dispositif de décodage audio, programme et système de codage/décodage audio
TWI560706B (en) Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation, audio signal decoder, audio signal transcoder, audio signal encoder, audio bitstream, method and co
WO2011053020A3 (fr) Procédé et appareil de codage de bloc résiduel, et procédé et appareil de décodage de bloc résiduel
WO2010090427A3 (fr) Procédé de codage et de décodage de signaux audio, et appareil à cet effet
EP4407615A3 (fr) Décodage audio avec post-filtre sélectif
MX2010004479A (es) Metodo y aparato para generar una capa de mejoramiento dentro de un sistema de codificacion de audio.
WO2009110738A3 (fr) Procédé et appareil pour traiter un signal audio
WO2011140211A3 (fr) Paramètres de quantification d'unités de codage dans un codage vidéo
WO2011016702A3 (fr) Procédé et appareil de codage d'images et procédé et appareil de décodage de ces images codées
EP4235656A3 (fr) Décodeur pour décoder un signal audio codé et codeur pour coder un signal audio
WO2012144877A3 (fr) Appareil de quantification de coefficients de codage prédictif linéaire, appareil de codage de son, appareil de déquantification de coefficients de codage prédictif linéaire, appareil de décodage de son et dispositif électronique s'y rapportant
WO2011002185A3 (fr) Appareil de codage et décodage d'un signal audio utilisant une transformée à prédiction linéaire pondérée, et méthode associée
EP4365894A3 (fr) Procédé de codage de signal multicanal, procédé de décodage de signal multicanal, codeur et décodeur
WO2011013983A3 (fr) Procédé et appareil de traitement d'un signal audio

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980135987.5

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09798088

Country of ref document: EP

Kind code of ref document: A2

ENP Entry into the national phase

Ref document number: 2011518646

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: MX/A/2011/000557

Country of ref document: MX

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2009798088

Country of ref document: EP

ENP Entry into the national phase

Ref document number: PI0916449

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20110114

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载