ATE511179T1 - Hierarchischen audio-kodierung/-dekodierung - Google Patents

Hierarchischen audio-kodierung/-dekodierung

Info

Publication number
ATE511179T1
ATE511179T1 AT06779029T AT06779029T ATE511179T1 AT E511179 T1 ATE511179 T1 AT E511179T1 AT 06779029 T AT06779029 T AT 06779029T AT 06779029 T AT06779029 T AT 06779029T AT E511179 T1 ATE511179 T1 AT E511179T1
Authority
AT
Austria
Prior art keywords
coding
frequency band
decoding
audio encoding
wideband
Prior art date
Application number
AT06779029T
Other languages
English (en)
Inventor
Stephane Ragot
David Virette
Original Assignee
France Telecom
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
Application filed by France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE511179T1 publication Critical patent/ATE511179T1/de

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
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT06779029T 2005-07-13 2006-07-07 Hierarchischen audio-kodierung/-dekodierung ATE511179T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0552199A FR2888699A1 (fr) 2005-07-13 2005-07-13 Dispositif de codage/decodage hierachique
PCT/FR2006/050690 WO2007007001A2 (fr) 2005-07-13 2006-07-07 Dispositif de codage/decodage hierarchique

Publications (1)

Publication Number Publication Date
ATE511179T1 true ATE511179T1 (de) 2011-06-15

Family

ID=36608212

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06779029T ATE511179T1 (de) 2005-07-13 2006-07-07 Hierarchischen audio-kodierung/-dekodierung

Country Status (9)

Country Link
US (1) US8374853B2 (de)
EP (1) EP1905010B1 (de)
JP (1) JP5112309B2 (de)
KR (1) KR101303145B1 (de)
CN (1) CN101263553B (de)
AT (1) ATE511179T1 (de)
BR (1) BRPI0612987A2 (de)
FR (1) FR2888699A1 (de)
WO (1) WO2007007001A2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7461106B2 (en) * 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
JPWO2008066071A1 (ja) * 2006-11-29 2010-03-04 パナソニック株式会社 復号化装置および復号化方法
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
KR100916400B1 (ko) 2008-04-07 2009-09-07 현대자동차주식회사 후드용 안전후크 구조
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
UY31968A (es) 2008-07-09 2010-01-29 Sanofi Aventis Nuevos derivados heterocíclicos, sus procesos para su preparación, y sus usos terapéuticos
FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
BR122019023877B1 (pt) 2009-03-17 2021-08-17 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
FR2947945A1 (fr) * 2009-07-07 2011-01-14 France Telecom Allocation de bits dans un codage/decodage d'amelioration d'un codage/decodage hierarchique de signaux audionumeriques
FR2947944A1 (fr) * 2009-07-07 2011-01-14 France Telecom Codage/decodage perfectionne de signaux audionumeriques
CN101989429B (zh) * 2009-07-31 2012-02-01 华为技术有限公司 转码方法、装置、设备以及系统
PL4152320T3 (pl) * 2009-10-21 2024-02-19 Dolby International Ab Nadpróbkowanie w banku filtrów połączonym z modułem transpozycji
CN102081927B (zh) * 2009-11-27 2012-07-18 中兴通讯股份有限公司 一种可分层音频编码、解码方法及系统
CN102081926B (zh) * 2009-11-27 2013-06-05 中兴通讯股份有限公司 格型矢量量化音频编解码方法和系统
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
CN102893330B (zh) * 2010-05-11 2015-04-15 瑞典爱立信有限公司 用于处理音频信号的方法和装置
CN108366264B (zh) * 2010-06-04 2022-08-26 索尼公司 图像处理设备和方法
US8904027B2 (en) 2010-06-30 2014-12-02 Cable Television Laboratories, Inc. Adaptive bit rate for data transmission
US20130173275A1 (en) * 2010-10-18 2013-07-04 Panasonic Corporation Audio encoding device and audio decoding device
PL2676267T3 (pl) 2011-02-14 2017-12-29 Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio
AR085362A1 (es) * 2011-02-14 2013-09-25 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral
EP2676266B1 (de) 2011-02-14 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auf linearer Prädiktionscodierung basierendes Codierschema unter Verwendung von Spektralbereichsrauschformung
AU2012217216B2 (en) 2011-02-14 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
EP2683703B1 (de) 2011-03-08 2015-05-27 Sanofi Neue substituierte phenyl-oxathiazinderivate, verfahren zu deren herstellung, diese verbindungen enthaltende arzneimittel und deren verwendung
WO2012144128A1 (ja) 2011-04-20 2012-10-26 パナソニック株式会社 音声音響符号化装置、音声音響復号装置、およびこれらの方法
EP2862168B1 (de) * 2012-06-14 2017-08-09 Dolby International AB Weicher konfigurationswechsel für mehrkanalaudio
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
FR3008533A1 (fr) 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
EP3503095A1 (de) * 2013-08-28 2019-06-26 Dolby Laboratories Licensing Corp. Hybride wellenformcodierte und parametercodierte spracherweiterung
KR102271852B1 (ko) * 2013-11-02 2021-07-01 삼성전자주식회사 광대역 신호 생성방법 및 장치와 이를 채용하는 기기
FR3017484A1 (fr) * 2014-02-07 2015-08-14 Orange Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
ES2975073T3 (es) 2014-03-31 2024-07-03 Fraunhofer Ges Forschung Codificador, descodificador, procedimiento de codificación, procedimiento de descodificación y programa
FR3024582A1 (fr) * 2014-07-29 2016-02-05 Orange Gestion de la perte de trame dans un contexte de transition fd/lpd
CN107924686B (zh) * 2015-09-16 2022-07-26 株式会社东芝 语音处理装置、语音处理方法以及存储介质
CN108549048B (zh) * 2018-03-23 2021-10-22 武汉大学 一种多频WiFi外辐射源雷达相参处理方法
WO2020253941A1 (en) 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
CN114258569B (zh) * 2019-08-20 2025-07-11 杜比国际公司 用于音频编码的多滞后格式
CN115116457B (zh) * 2022-06-15 2024-10-01 腾讯科技（深圳）有限公司 音频编码及解码方法、装置、设备、介质及程序产品

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2779886B2 (ja) * 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
JP3483958B2 (ja) * 1994-10-28 2004-01-06 三菱電機株式会社 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
JP3139602B2 (ja) * 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
ES2247741T3 (es) * 1998-01-22 2006-03-01 Deutsche Telekom Ag Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio.
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US7643996B1 (en) * 1998-12-01 2010-01-05 The Regents Of The University Of California Enhanced waveform interpolative coder
US6446037B1 (en) * 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio
WO2001035395A1 (en) * 1999-11-10 2001-05-17 Koninklijke Philips Electronics N.V. Wide band speech synthesis by means of a mapping matrix
FI115329B (fi) * 2000-05-08 2005-04-15 Nokia Corp Menetelmä ja järjestely lähdesignaalin kaistanleveyden vaihtamiseksi tietoliikenneyhteydessä, jossa on valmiudet useisiin kaistanleveyksiin
BR0109237A (pt) * 2001-01-16 2002-12-03 Koninkl Philips Electronics Nv Codificador paramétrico, método de codificação paramétrica, decodificador paramétrico, método de decodificação, fluxo de dados incluindo dados de código senoidais, e, meio de armazenamento
SE0101175D0 (sv) * 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
EP1444688B1 (de) * 2001-11-14 2006-08-16 Matsushita Electric Industrial Co., Ltd. Kodiervorrichtung und dekodiervorrichtung
CN1279512C (zh) * 2001-11-29 2006-10-11 编码技术股份公司 用于改善高频重建的方法和装置
WO2003077235A1 (en) * 2002-03-12 2003-09-18 Nokia Corporation Efficient improvements in scalable audio coding
JP3881946B2 (ja) * 2002-09-12 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
JP2003323199A (ja) * 2002-04-26 2003-11-14 Matsushita Electric Ind Co Ltd 符号化装置、復号化装置及び符号化方法、復号化方法
EP1489599B1 (de) * 2002-04-26 2016-05-11 Panasonic Intellectual Property Corporation of America Kodierungseinrichtung und dekodierungseinrichtung
BR0311965A (pt) 2002-06-20 2005-03-29 Novalar Pharmaceutical Inc Formulações estabilizadas de antagonistas de receptores alfa adrenérgicos e os seus usos
SE0202770D0 (sv) * 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
EP1543307B1 (de) * 2002-09-19 2006-02-22 Matsushita Electric Industrial Co., Ltd. Audiodecodierungsvorrichtung und -verfahren
KR100917464B1 (ko) * 2003-03-07 2009-09-14 삼성전자주식회사 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치
US7318035B2 (en) * 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
KR100513729B1 (ko) * 2003-07-03 2005-09-08 삼성전자주식회사 계층적인 대역폭 구조를 갖는 음성 압축 및 복원 장치와그 방법
US20050004793A1 (en) * 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
JP4679049B2 (ja) 2003-09-30 2011-04-27 パナソニック株式会社 スケーラブル復号化装置
EP2221808B1 (de) * 2003-10-23 2012-07-11 Panasonic Corporation Spektrum-codierungseinrichtung, Spektrum-decodierungseinrichtung, Übertragungseinrichtung für akustische signale, Empfangseinrichtung für akustische Signale und Verfahren dafür
WO2005073958A1 (en) * 2004-01-28 2005-08-11 Koninklijke Philips Electronics N.V. Method and apparatus for time scaling of a signal
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
ATE394774T1 (de) * 2004-05-19 2008-05-15 Matsushita Electric Industrial Co Ltd Kodierungs-, dekodierungsvorrichtung und methode dafür
US20060023748A1 (en) * 2004-07-09 2006-02-02 Chandhok Ravinder P System for layering content for scheduled delivery in a data network
RU2007108288A (ru) * 2004-09-06 2008-09-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство масштабируемого кодирования и способ масштабируемого кодирования
DE602007002385D1 (de) * 2006-02-06 2009-10-22 France Telecom Verfahren und vorrichtung zur hierarchischen kodiecodierverfahren und gerät, programme und signal
RU2449386C2 (ru) * 2007-11-02 2012-04-27 Хуавэй Текнолоджиз Ко., Лтд. Способ и устройство для аудиодекодирования

Also Published As

Publication number Publication date
CN101263553A (zh) 2008-09-10
KR20080032160A (ko) 2008-04-14
FR2888699A1 (fr) 2007-01-19
US20090326931A1 (en) 2009-12-31
BRPI0612987A2 (pt) 2010-12-14
KR101303145B1 (ko) 2013-09-09
EP1905010B1 (de) 2011-05-25
US8374853B2 (en) 2013-02-12
WO2007007001A3 (fr) 2007-04-12
EP1905010A2 (de) 2008-04-02
JP5112309B2 (ja) 2013-01-09
CN101263553B (zh) 2013-10-02
JP2009501351A (ja) 2009-01-15
WO2007007001A2 (fr) 2007-01-18

Similar Documents

Publication Publication Date Title
ATE511179T1 (de) Hierarchischen audio-kodierung/-dekodierung
WO2007093726A3 (fr) Dispositif de ponderation perceptuelle en codage/decodage audio
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
ATE535904T1 (de) Verbesserte transformationskodierung von sprach- und audiosignalen
DE602006018618D1 (de) Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate
ATE474310T1 (de) Mehrkanalige audio-erweiterung
ATE473502T1 (de) Mehrkanal-audiocodierung
WO2008022176A3 (en) Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform
DK1825461T3 (da) Fremgangsmåde og indretning til kunstig udvidelse af båndbredden af talesignaler
ATE547903T1 (de) Qualitätsverbindung für tonübertragung mit niedriger latenz
ATE531035T1 (de) Parametrische verbundcodierung von audioquellen
DK0931386T3 (da) Fremgangsmåde til signalisering af en støjsubstitution ved kodning af et audiosignal
ATE332003T1 (de) Parametrische beschreibung von mehrkanal-audio
DK1334484T3 (da) Forbedring af ydeevnen for kodesystemer, der anvender höjfrekvensrekonstruktionsfremgangsmåder
ATE339759T1 (de) Audiocodierung
SE0004818D0 (sv) Enhancing source coding systems by adaptive transposition
MY181471A (en) Device and method for postprocessing spectral values and encoder and decoder for audio signals
KR20150032614A (ko) 오디오 부호화방법 및 장치, 오디오 복호화방법 및 장치, 및 이를 채용하는 멀티미디어 기기
BRPI0512160A (pt) método, dispositivo, sistema e programa de computador para expandir os sinais de fala de banda estreita para os sinais de fala de banda larga, dispositivo de comunicação configurado para receber os sinais de banda larga
ES2975073T3 (es) Codificador, descodificador, procedimiento de codificación, procedimiento de descodificación y programa
WO2007052269A3 (en) Wireless microphone system for high quality sound
WO2007107670A3 (fr) Procede de post-traitement d'un signal dans un decodeur audio
WO2006109251A3 (en) Voice conversion
Annadana et al. New Results in Low Bit Rate Speech Coding and Bandwidth Extension
Valin et al. The opus codec

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties