ATE363710T1 - Mehrkanal-signalcodierung und -decodierung - Google Patents

Mehrkanal-signalcodierung und -decodierung

Info

Publication number
ATE363710T1
ATE363710T1 AT01963659T AT01963659T ATE363710T1 AT E363710 T1 ATE363710 T1 AT E363710T1 AT 01963659 T AT01963659 T AT 01963659T AT 01963659 T AT01963659 T AT 01963659T AT E363710 T1 ATE363710 T1 AT E363710T1
Authority
AT
Austria
Prior art keywords
decoding
channel signal
signal coding
channel
correlation
Prior art date
Application number
AT01963659T
Other languages
English (en)
Inventor
Tor Minde
Arne Steinarson
Jonas Svedberg
Tomas Lundberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE363710T1 publication Critical patent/ATE363710T1/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
    • 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

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
AT01963659T 2000-09-15 2001-09-05 Mehrkanal-signalcodierung und -decodierung ATE363710T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0003285A SE519981C2 (sv) 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler

Publications (1)

Publication Number Publication Date
ATE363710T1 true ATE363710T1 (de) 2007-06-15

Family

ID=20281032

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01963659T ATE363710T1 (de) 2000-09-15 2001-09-05 Mehrkanal-signalcodierung und -decodierung

Country Status (8)

Country Link
US (1) US7283957B2 (de)
EP (1) EP1320849B1 (de)
JP (1) JP4485123B2 (de)
AT (1) ATE363710T1 (de)
AU (1) AU2001284588A1 (de)
DE (1) DE60128711T2 (de)
SE (1) SE519981C2 (de)
WO (1) WO2002023528A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE519981C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
US7111102B2 (en) * 2003-10-06 2006-09-19 Cisco Technology, Inc. Port adapter for high-bandwidth bus
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
DE602005016571D1 (de) * 2004-08-26 2009-10-22 Panasonic Corp Mehrkanalige signal-dekodierung
EP1801782A4 (de) * 2004-09-28 2008-09-24 Matsushita Electric Industrial Co Ltd Vorrichtung und verfahren zur skalierbaren codierung
WO2006070757A1 (ja) 2004-12-28 2006-07-06 Matsushita Electric Industrial Co., Ltd. 音声符号化装置および音声符号化方法
CN101124740B (zh) * 2005-02-23 2012-05-30 艾利森电话股份有限公司 多声道音频信号编码和解码的方法和装置和音频传送系统
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
US8000967B2 (en) * 2005-03-09 2011-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Low-complexity code excited linear prediction encoding
CN101167124B (zh) * 2005-04-28 2011-09-21 松下电器产业株式会社 语音编码装置和语音编码方法
RU2007139784A (ru) * 2005-04-28 2009-05-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство кодирования звука и способ кодирования звука
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
EP1771021A1 (de) * 2005-09-29 2007-04-04 Telefonaktiebolaget LM Ericsson (publ) Verfahren und Einrichtung zur Zuweisung von Funkressourcen
KR100667852B1 (ko) * 2006-01-13 2007-01-11 삼성전자주식회사 휴대용 레코더 기기의 잡음 제거 장치 및 그 방법
EP1848243B1 (de) * 2006-04-18 2009-02-18 Harman/Becker Automotive Systems GmbH System und Verfahren zur Mehrkanal-Echokompensation
EP2458588A3 (de) * 2006-10-10 2012-07-04 Qualcomm Incorporated Verfahren und Vorrichtung zur kodierung und dekodierung von Audiosignalen
KR101398836B1 (ko) * 2007-08-02 2014-05-26 삼성전자주식회사 스피치 코덱들의 고정 코드북들을 공통 모듈로 구현하는방법 및 장치
PL2201566T3 (pl) 2007-09-19 2016-04-29 Ericsson Telefon Ab L M Połączone, wielokanałowe kodowanie/dekodowanie audio
GB2470059A (en) * 2009-05-08 2010-11-10 Nokia Corp Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter
JP5737077B2 (ja) * 2011-08-30 2015-06-17 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
WO2014046916A1 (en) 2012-09-21 2014-03-27 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
RU2648632C2 (ru) * 2014-01-13 2018-03-26 Нокиа Текнолоджиз Ой Классификатор многоканального звукового сигнала
EP3067887A1 (de) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer zur codierung eines mehrkanalsignals und audiodecodierer zur decodierung eines codierten audiosignals
EP3067885A1 (de) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur verschlüsselung oder entschlüsselung eines mehrkanalsignals
EP4235659A3 (de) 2015-09-25 2023-09-06 VoiceAge Corporation Verfahren und system unter verwendung eines langfristigen korrelationsunterschiedes zwischen linken und rechten kanälen für zeitdomänen-abwärtsmischen eines stereotonsignals in primäre und sekundäre kanäle
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
US9978381B2 (en) * 2016-02-12 2018-05-22 Qualcomm Incorporated Encoding of multiple audio signals
US10475457B2 (en) * 2017-07-03 2019-11-12 Qualcomm Incorporated Time-domain inter-channel prediction
CN110718237B (zh) * 2018-07-12 2023-08-18 阿里巴巴集团控股有限公司 串音数据检测方法和电子设备
JP7808095B2 (ja) * 2020-09-09 2026-01-28 ヴォイスエイジ・コーポレーション 音コーデックにおける、非相関ステレオコンテンツの分類、クロストーク検出、およびステレオモード選択のための方法およびデバイス
CN115410584A (zh) * 2021-05-28 2022-11-29 华为技术有限公司 多声道音频信号的编码方法和装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8913758D0 (en) * 1989-06-15 1989-08-02 British Telecomm Polyphonic coding
JP3343962B2 (ja) * 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
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
US6345246B1 (en) * 1997-02-05 2002-02-05 Nippon Telegraph And Telephone Corporation Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates
TW384434B (en) * 1997-03-31 2000-03-11 Sony Corp Encoding method, device therefor, decoding method, device therefor and recording medium
DE19829284C2 (de) * 1998-05-15 2000-03-16 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verarbeiten eines zeitlichen Stereosignals und Verfahren und Vorrichtung zum Decodieren eines unter Verwendung einer Prädiktion über der Frequenz codierten Audiobitstroms
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
SE519981C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler

Also Published As

Publication number Publication date
US20040109471A1 (en) 2004-06-10
SE0003285D0 (sv) 2000-09-15
US7283957B2 (en) 2007-10-16
EP1320849B1 (de) 2007-05-30
WO2002023528A1 (en) 2002-03-21
EP1320849A1 (de) 2003-06-25
JP2004509366A (ja) 2004-03-25
DE60128711T2 (de) 2008-02-07
SE0003285L (sv) 2002-03-16
JP4485123B2 (ja) 2010-06-16
DE60128711D1 (de) 2007-07-12
AU2001284588A1 (en) 2002-03-26
SE519981C2 (sv) 2003-05-06

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