ATE358317T1 - Mehrkanal-signalcodierung und -decodierung - Google Patents

Mehrkanal-signalcodierung und -decodierung

Info

Publication number
ATE358317T1
ATE358317T1 AT01965791T AT01965791T ATE358317T1 AT E358317 T1 ATE358317 T1 AT E358317T1 AT 01965791 T AT01965791 T AT 01965791T AT 01965791 T AT01965791 T AT 01965791T AT E358317 T1 ATE358317 T1 AT E358317T1
Authority
AT
Austria
Prior art keywords
decoding
channel signal
signal coding
channel
leading channel
Prior art date
Application number
AT01965791T
Other languages
English (en)
Inventor
Tor Bjoern Minde
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 ATE358317T1 publication Critical patent/ATE358317T1/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
    • G10L19/008—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
    • G10L19/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Error Detection And Correction (AREA)
AT01965791T 2000-09-15 2001-09-05 Mehrkanal-signalcodierung und -decodierung ATE358317T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0003287A SE519985C2 (sv) 2000-09-15 2000-09-15 Kodning och avkodning av signaler från flera kanaler

Publications (1)

Publication Number Publication Date
ATE358317T1 true ATE358317T1 (de) 2007-04-15

Family

ID=20281034

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01965791T ATE358317T1 (de) 2000-09-15 2001-09-05 Mehrkanal-signalcodierung und -decodierung

Country Status (8)

Country Link
US (1) US7263480B2 (de)
EP (1) EP1325495B1 (de)
JP (1) JP4498677B2 (de)
AT (1) ATE358317T1 (de)
AU (1) AU2001286350A1 (de)
DE (1) DE60127566T2 (de)
SE (1) SE519985C2 (de)
WO (1) WO2002023529A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3273599B2 (ja) * 1998-06-19 2002-04-08 沖電気工業株式会社 音声符号化レート選択器と音声符号化装置
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
FI121583B (fi) * 2002-07-05 2011-01-14 Syslore Oy Symbolijonon etsintä
WO2006000952A1 (en) * 2004-06-21 2006-01-05 Koninklijke Philips Electronics N.V. Method and apparatus to encode and decode multi-channel audio signals
US7873512B2 (en) * 2004-07-20 2011-01-18 Panasonic Corporation Sound encoder and sound encoding method
JP4963962B2 (ja) * 2004-08-26 2012-06-27 パナソニック株式会社 マルチチャネル信号符号化装置およびマルチチャネル信号復号装置
CN101027718A (zh) * 2004-09-28 2007-08-29 松下电器产业株式会社 可扩展性编码装置以及可扩展性编码方法
DE602005016130D1 (de) 2004-09-30 2009-10-01 Panasonic Corp Einrichtung für skalierbare codierung, einrichtung für skalierbare decodierung und verfahren dafür
EP1814104A4 (de) * 2004-11-30 2008-12-31 Panasonic Corp Stereo-codierungsvorrichtung, stereo-decodierungsvorrichtung und ihre verfahren
EP1818911B1 (de) * 2004-12-27 2012-02-08 Panasonic Corporation Tonkodierungsvorrichtung und tonkodierungsmethode
KR20070090217A (ko) * 2004-12-28 2007-09-05 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치 및 스케일러블 부호화 방법
CN101116137B (zh) 2005-02-10 2011-02-09 松下电器产业株式会社 语音编码中的脉冲分配方法
EP1691348A1 (de) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
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
MX2007011995A (es) * 2005-03-30 2007-12-07 Koninkl Philips Electronics Nv Codificacion y decodificacion de audio.
JP4599558B2 (ja) * 2005-04-22 2010-12-15 国立大学法人九州工業大学 ピッチ周期等化装置及びピッチ周期等化方法、並びに音声符号化装置、音声復号装置及び音声符号化方法
CN101167126B (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
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
FR2916079A1 (fr) 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
EP2201566B1 (de) 2007-09-19 2015-11-11 Telefonaktiebolaget LM Ericsson (publ) Gemeisame mehrkanal-audio kodierung/dekodierung
US8515767B2 (en) * 2007-11-04 2013-08-20 Qualcomm Incorporated Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs
NO2669468T3 (de) * 2011-05-11 2018-06-02
CN115831130A (zh) 2018-06-29 2023-03-21 华为技术有限公司 立体声信号的编码方法、解码方法、编码装置和解码装置
GB2580899A (en) * 2019-01-22 2020-08-05 Nokia Technologies Oy Audio representation and associated rendering
CN112233682B (zh) * 2019-06-29 2024-07-16 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0744511B2 (ja) * 1988-09-14 1995-05-15 富士通株式会社 高郊率多重化方式
GB8913758D0 (en) 1989-06-15 1989-08-02 British Telecomm Polyphonic coding
DE69132427D1 (de) * 1990-07-05 2000-11-02 Fujitsu Ltd Digitalmultiplex-Übertragungssystem
JP3622365B2 (ja) * 1996-09-26 2005-02-23 ヤマハ株式会社 音声符号化伝送方式
JP3099876B2 (ja) * 1997-02-05 2000-10-16 日本電信電話株式会社 多チャネル音声信号符号化方法及びその復号方法及びそれを使った符号化装置及び復号化装置
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
JPH1132399A (ja) * 1997-05-13 1999-02-02 Sony Corp 符号化方法及び装置、並びに記録媒体
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
TW510830B (en) * 1999-08-10 2002-11-21 Sumitomo Metal Ind Method for treating hazardous material
DE19959156C2 (de) * 1999-12-08 2002-01-31 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals

Also Published As

Publication number Publication date
EP1325495A1 (de) 2003-07-09
DE60127566D1 (de) 2007-05-10
SE0003287L (sv) 2002-03-16
US7263480B2 (en) 2007-08-28
SE0003287D0 (sv) 2000-09-15
EP1325495B1 (de) 2007-03-28
JP4498677B2 (ja) 2010-07-07
WO2002023529A1 (en) 2002-03-21
DE60127566T2 (de) 2007-08-16
AU2001286350A1 (en) 2002-03-26
SE519985C2 (sv) 2003-05-06
US20030191635A1 (en) 2003-10-09
JP2004509367A (ja) 2004-03-25

Similar Documents

Publication Publication Date Title
ATE358317T1 (de) Mehrkanal-signalcodierung und -decodierung
BR0305555A (pt) Método e codificador para codificar um sinal de áudio, aparelho para fornecimento de um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio codificado
DE60128711D1 (de) Mehrkanal-signalcodierung und -decodierung
ATE371924T1 (de) Treueoptimierte kodierung mit variabler rahmenlänge
DK1803117T3 (da) Formning af individuelle kanaler med midlertidig indhylling for binaurale cue-kodningssystemer og lignende
EP1818911A4 (de) Tonkodierungsvorrichtung und tonkodierungsmethode
DK1400954T3 (da) Entropi-kodning ved tilpasning af kodning mellem niveau- og runlængde/niveau-moduser
DE69730965D1 (de) Videosignalkompression
DE69829935D1 (de) Codier-/Decodiervorrichtung, Codier-/Decodiersystem und multiplexierter Bitstrom
DE60302881D1 (de) Übertragungssystem
MY145083A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information.
MY137785A (en) Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream
ATE511690T1 (de) Akustisches kommunikationssystem
ATE442644T1 (de) Mehrkanalige signal-dekodierung
DK1016319T3 (da) Fremgangsmåde og indretning til kodning af et tidsdiskret stereosignal
BRPI0516658A (pt) aparelho de codificação de estéreo, aparelho de decodificação de estéreo e seus métodos
DE60133562D1 (de) Kanalcodierungs-decodierungsvorrichtung und -verfa
DK1142346T3 (da) Kodning af hjælpeinformation med rammebaseret kodet audioinformation
ATE309644T1 (de) Mit 2-kanal- und 1-kanal-übertragung kompatible n-kanalübertragung
FI20001577A0 (fi) Puheenkoodaus
BR0205954A (pt) Método de codificação de imagem, método de decodificação de imagem e aparelhos para os mesmos
SG158868A1 (en) Encoder, decoder, method for encoding/decoding, computer readable media and computer program elements
DK1389372T3 (da) Testslöjfer til kanal-codecs
IL145992A0 (en) Method for the encoding of prosody for a speech encoder working at very low bit rates
TW200631428A (en) Method of converting a user bitstream into coded bitstream, method for detecting a synchronization pattern in a signal, a record carrier, a signal, a recording device and a playback device all using a freely insertable synchronization pattern

Legal Events

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