ATE490454T1 - Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate - Google Patents

Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate

Info

Publication number
ATE490454T1
ATE490454T1 AT06779036T AT06779036T ATE490454T1 AT E490454 T1 ATE490454 T1 AT E490454T1 AT 06779036 T AT06779036 T AT 06779036T AT 06779036 T AT06779036 T AT 06779036T AT E490454 T1 ATE490454 T1 AT E490454T1
Authority
AT
Austria
Prior art keywords
bitrate
rate
switching
audio decoding
scalable audio
Prior art date
Application number
AT06779036T
Other languages
German (de)
English (en)
Inventor
Stephane Ragot
David Virette
Balazs Kovesi
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 ATE490454T1 publication Critical patent/ATE490454T1/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
    • G10L19/08—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
    • G10L19/26—Pre-filtering or post-filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AT06779036T 2005-07-22 2006-07-10 Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate ATE490454T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0552286 2005-07-22
PCT/FR2006/050697 WO2007010158A2 (fr) 2005-07-22 2006-07-10 Procede de commutation de debit en decodage audio scalable en debit et largeur de bande

Publications (1)

Publication Number Publication Date
ATE490454T1 true ATE490454T1 (de) 2010-12-15

Family

ID=36177265

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06779036T ATE490454T1 (de) 2005-07-22 2006-07-10 Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate

Country Status (10)

Country Link
US (1) US8630864B2 (enExample)
EP (1) EP1907812B1 (enExample)
JP (1) JP5009910B2 (enExample)
KR (1) KR101295729B1 (enExample)
CN (1) CN101263554B (enExample)
AT (1) ATE490454T1 (enExample)
DE (1) DE602006018618D1 (enExample)
ES (1) ES2356492T3 (enExample)
RU (1) RU2419171C2 (enExample)
WO (1) WO2007010158A2 (enExample)

Families Citing this family (39)

* 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
WO2008066071A1 (en) * 2006-11-29 2008-06-05 Panasonic Corporation Decoding apparatus and audio decoding method
DK2128858T3 (da) * 2007-03-02 2013-07-01 Panasonic Corp Kodningsindretning og kodningsfremgangsmåde
US8599981B2 (en) 2007-03-02 2013-12-03 Panasonic Corporation Post-filter, decoding device, and post-filter processing method
WO2008108701A1 (en) * 2007-03-02 2008-09-12 Telefonaktiebolaget Lm Ericsson (Publ) Postfilter for layered codecs
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
BRPI0818927A2 (pt) * 2007-11-02 2015-06-16 Huawei Tech Co Ltd Método e aparelho para a decodificação de áudio
US9872066B2 (en) * 2007-12-18 2018-01-16 Ibiquity Digital Corporation Method for streaming through a data service over a radio link subsystem
DE102008009720A1 (de) * 2008-02-19 2009-08-20 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren und Mittel zur Dekodierung von Hintergrundrauschinformationen
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
EP4407610B1 (en) * 2008-07-11 2025-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder
US20100057473A1 (en) * 2008-08-26 2010-03-04 Hongwei Kong Method and system for dual voice path processing in an audio codec
US20100063825A1 (en) * 2008-09-05 2010-03-11 Apple Inc. Systems and Methods for Memory Management and Crossfading in an Electronic Device
ES2671711T3 (es) * 2008-09-18 2018-06-08 Electronics And Telecommunications Research Institute Aparato de codificación y aparato de decodificación para transformar entre codificador basado en transformada de coseno discreta modificada y hetero codificador
US8200496B2 (en) * 2008-12-29 2012-06-12 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
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
FR2947944A1 (fr) * 2009-07-07 2011-01-14 France Telecom Codage/decodage perfectionne de signaux audionumeriques
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8886523B2 (en) 2010-04-14 2014-11-11 Huawei Technologies Co., Ltd. Audio decoding based on audio class with control code for post-processing modes
US9047875B2 (en) * 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
JP5489900B2 (ja) * 2010-07-27 2014-05-14 ヤマハ株式会社 音響データ通信装置
NO2669468T3 (enExample) * 2011-05-11 2018-06-02
RU2480904C1 (ru) * 2012-06-01 2013-04-27 Анна Валерьевна Хуторцева Способ совместной фильтрации и дифференциальной импульсно-кодовой модуляции-демодуляции сигналов
CN103516440B (zh) 2012-06-29 2015-07-08 华为技术有限公司 语音频信号处理方法和编码装置
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
EP2936486B1 (en) * 2012-12-21 2018-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Comfort noise addition for modeling background noise at low bit-rates
ES2700246T3 (es) 2013-08-28 2019-02-14 Dolby Laboratories Licensing Corp Mejora paramétrica de la voz
WO2015163750A2 (ko) * 2014-04-21 2015-10-29 삼성전자 주식회사 무선 통신 시스템에서 음성 데이터를 송신 및 수신하기 위한 장치 및 방법
KR102244612B1 (ko) 2014-04-21 2021-04-26 삼성전자주식회사 무선 통신 시스템에서 음성 데이터를 송신 및 수신하기 위한 장치 및 방법
US10049684B2 (en) * 2015-04-05 2018-08-14 Qualcomm Incorporated Audio bandwidth selection
WO2019056107A1 (en) * 2017-09-20 2019-03-28 Voiceage Corporation METHOD AND DEVICE FOR ALLOCATING A BINARY BUDGET BETWEEN SUB-FRAMES IN A CELP CODEC
WO2019081089A1 (en) * 2017-10-27 2019-05-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. MITIGATION OF NOISE AT THE LEVEL OF A DECODER
US20230306978A1 (en) * 2020-07-07 2023-09-28 Panasonic Intellectual Property Corporation Of America Coding apparatus, decoding apparatus, coding method, decoding method, and hybrid coding system

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0728494A (ja) * 1993-07-09 1995-01-31 Nippon Steel Corp 圧縮符号化音声信号復号化方法および装置
ZA946674B (en) * 1993-09-08 1995-05-02 Qualcomm Inc Method and apparatus for determining the transmission data rate in a multi-user communication system
ZA961025B (en) * 1995-02-28 1996-07-16 Qualcomm Inc Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
US5699485A (en) * 1995-06-07 1997-12-16 Lucent Technologies Inc. Pitch delay modification during frame erasures
US7145898B1 (en) * 1996-11-18 2006-12-05 Mci Communications Corporation System, method and article of manufacture for selecting a gateway of a hybrid communication system architecture
US6904110B2 (en) * 1997-07-31 2005-06-07 Francois Trans Channel equalization system and method
FI980132A7 (fi) * 1998-01-21 1999-07-22 Nokia Mobile Phones Ltd Adaptoituva jälkisuodatin
JP2000259195A (ja) * 1999-01-08 2000-09-22 Matsushita Electric Ind Co Ltd デコード回路及びそれを用いた再生装置
JP2000267686A (ja) * 1999-03-19 2000-09-29 Victor Co Of Japan Ltd 信号伝送方式及び復号化装置
US6496794B1 (en) * 1999-11-22 2002-12-17 Motorola, Inc. Method and apparatus for seamless multi-rate speech coding
GB2357682B (en) 1999-12-23 2004-09-08 Motorola Ltd Audio circuit and method for wideband to narrowband transition in a communication device
FI115329B (fi) * 2000-05-08 2005-04-15 Nokia Corp Menetelmä ja järjestely lähdesignaalin kaistanleveyden vaihtamiseksi tietoliikenneyhteydessä, jossa on valmiudet useisiin kaistanleveyksiin
JP2003050598A (ja) * 2001-08-06 2003-02-21 Mitsubishi Electric Corp 音声復号装置
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
US6590833B1 (en) * 2002-08-08 2003-07-08 The United States Of America As Represented By The Secretary Of The Navy Adaptive cross correlator
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
CN1926607B (zh) * 2004-03-01 2011-07-06 杜比实验室特许公司 多信道音频编码
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
WO2008151408A1 (en) * 2007-06-14 2008-12-18 Voiceage Corporation Device and method for frame erasure concealment in a pcm codec interoperable with the itu-t recommendation g.711
US8560307B2 (en) * 2008-01-28 2013-10-15 Qualcomm Incorporated Systems, methods, and apparatus for context suppression using receivers
US8693699B2 (en) * 2008-07-29 2014-04-08 Dolby Laboratories Licensing Corporation Method for adaptive control and equalization of electroacoustic channels
US20120029926A1 (en) * 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals

Also Published As

Publication number Publication date
RU2008106750A (ru) 2009-08-27
EP1907812A2 (fr) 2008-04-09
WO2007010158A2 (fr) 2007-01-25
US20090306992A1 (en) 2009-12-10
CN101263554A (zh) 2008-09-10
CN101263554B (zh) 2011-12-28
KR20080033997A (ko) 2008-04-17
WO2007010158A3 (fr) 2007-05-10
RU2419171C2 (ru) 2011-05-20
ES2356492T3 (es) 2011-04-08
DE602006018618D1 (de) 2011-01-13
JP5009910B2 (ja) 2012-08-29
JP2009503559A (ja) 2009-01-29
KR101295729B1 (ko) 2013-08-12
US8630864B2 (en) 2014-01-14
EP1907812B1 (fr) 2010-12-01

Similar Documents

Publication Publication Date Title
ATE490454T1 (de) Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate
ATE511179T1 (de) Hierarchischen audio-kodierung/-dekodierung
WO2007008695A3 (en) System and method for transferring data
WO2010087614A3 (ko) 오디오 신호의 부호화 및 복호화 방법 및 그 장치
EP1677289A3 (en) High-band speech coding apparatus and high-band speech decoding apparatus in a wide-band speech coding/decoding system and high-band speech coding and decoding methods performed by the apparatuses
DE602006013359D1 (de) Ender und empfänger
WO2008022176A3 (en) Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform
DE602006011865D1 (de) Decoder-architektur für optimiertes fehlermanagement in multimedia-strömen
WO2010090427A3 (ko) 오디오 신호의 부호화 및 복호화 방법 및 그 장치
WO2007073604A8 (en) Method and device for efficient frame erasure concealment in speech codecs
WO2009110738A3 (ko) 오디오 신호 처리 방법 및 장치
EP4618079A3 (en) Selective bass post filter
BRPI0802613A2 (pt) métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto
GB2481961A (en) System and method for providing voice communications over a multi-level secure network
WO2009061363A3 (en) A scalable video coding method for fast channel change and increased error resilience
WO2008048886A3 (en) Systems and methods for signaling and performing temporal level switching in scalable video coding
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
ATE552585T1 (de) Fehlerverbergung für ein audiosignal
BRPI0822236A2 (pt) Codificador e decodificador de áudio
WO2011002185A3 (ko) 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
WO2012021174A3 (en) EXPERIENCE OR "SENTIO" CODECS, AND METHODS AND SYSTEMS FOR IMPROVING QoE AND ENCODING BASED ON QoE EXPERIENCES
WO2010005254A3 (ko) 부호화 방식 결정 방법 및 장치
WO2011126284A3 (en) Method and apparatus for encoding video by using adaptive prediction filtering, method and apparatus for decoding video by using adaptive prediction filtering
SE0001727L (sv) Överföring över paketförmedlade nät
TW200611242A (en) Coding reverberant sound signals

Legal Events

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