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)

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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
EP1783745B1 (de) * 2004-08-26 2009-09-09 Panasonic Corporation Mehrkanalige signal-dekodierung
BRPI0516201A (pt) * 2004-09-28 2008-08-26 Matsushita Electric Industrial Co Ltd aparelho de codificação escalonável e método de codificação escalonável
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
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
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
US8000967B2 (en) * 2005-03-09 2011-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Low-complexity code excited linear prediction encoding
KR101259203B1 (ko) * 2005-04-28 2013-04-29 파나소닉 주식회사 음성 부호화 장치와 음성 부호화 방법, 무선 통신 이동국 장치 및 무선 통신 기지국 장치
DE602006011600D1 (de) * 2005-04-28 2010-02-25 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
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
ATE423433T1 (de) * 2006-04-18 2009-03-15 Harman Becker Automotive Sys System und verfahren zur mehrkanal- echokompensation
WO2008045846A1 (en) * 2006-10-10 2008-04-17 Qualcomm Incorporated Method and apparatus for encoding and decoding audio signals
KR101398836B1 (ko) * 2007-08-02 2014-05-26 삼성전자주식회사 스피치 코덱들의 고정 코드북들을 공통 모듈로 구현하는방법 및 장치
CN101802907B (zh) * 2007-09-19 2013-11-13 爱立信电话股份有限公司 多信道音频的联合增强
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
EP3095117B1 (de) 2014-01-13 2018-08-22 Nokia Technologies Oy Multikanal-audiosignalklassifizierer
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
WO2017049396A1 (en) 2015-09-25 2017-03-30 Voiceage Corporation Method and system for time domain down mixing a stereo sound signal into primary and secondary channels using detecting an out-of-phase condition of the left and right channels
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
CA3192085A1 (en) * 2020-09-09 2022-03-17 Vladimir Malenovsky Method and device for classification of uncorrelated stereo content, cross-talk detection, and stereo mode selection in a sound codec
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

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

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