SE0402650D0 - Improved parametric stereo compatible coding of spatial audio - Google Patents

Improved parametric stereo compatible coding of spatial audio

Info

Publication number
SE0402650D0
SE0402650D0 SE0402650A SE0402650A SE0402650D0 SE 0402650 D0 SE0402650 D0 SE 0402650D0 SE 0402650 A SE0402650 A SE 0402650A SE 0402650 A SE0402650 A SE 0402650A SE 0402650 D0 SE0402650 D0 SE 0402650D0
Authority
SE
Sweden
Prior art keywords
spatial audio
parametric stereo
compatible coding
parametric representation
spatial parameters
Prior art date
Application number
SE0402650A
Other languages
English (en)
Inventor
Jeroen Breebaart
Erik Schuijers
Lars F Villemoes
Heiko Purnhagen
Jonas Roeden
Jonas Engdegaard
Original Assignee
Coding Tech Ab
Koninkl Philips Electronics Nv
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 Coding Tech Ab, Koninkl Philips Electronics Nv filed Critical Coding Tech Ab
Priority to SE0402650A priority Critical patent/SE0402650D0/sv
Publication of SE0402650D0 publication Critical patent/SE0402650D0/sv
Priority to KR1020077006367A priority patent/KR100936498B1/ko
Priority to ES05798859T priority patent/ES2306235T3/es
Priority to JP2007539523A priority patent/JP4616349B2/ja
Priority to DE602005006424T priority patent/DE602005006424T2/de
Priority to CN2005800338587A priority patent/CN101036183B/zh
Priority to AT05798859T priority patent/ATE393951T1/de
Priority to PCT/EP2005/011663 priority patent/WO2006048226A1/en
Priority to EP05798859A priority patent/EP1784819B1/en
Priority to RU2007120634/09A priority patent/RU2381570C2/ru
Priority to TW094138330A priority patent/TWI330825B/zh
Priority to US11/286,239 priority patent/US7916873B2/en
Priority to HK07111849A priority patent/HK1106606A1/xx
Priority to US13/040,057 priority patent/US8654985B2/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
SE0402650A 2004-11-02 2004-11-02 Improved parametric stereo compatible coding of spatial audio SE0402650D0 (sv)

Priority Applications (14)

Application Number Priority Date Filing Date Title
SE0402650A SE0402650D0 (sv) 2004-11-02 2004-11-02 Improved parametric stereo compatible coding of spatial audio
RU2007120634/09A RU2381570C2 (ru) 2004-11-02 2005-10-31 Стереофонически совместимое кодирование многоканального звука
AT05798859T ATE393951T1 (de) 2004-11-02 2005-10-31 Stereokompatible mehrkanal-audiokodierung
ES05798859T ES2306235T3 (es) 2004-11-02 2005-10-31 Codificacion de audio multicanal compatible estereo.
JP2007539523A JP4616349B2 (ja) 2004-11-02 2005-10-31 ステレオ互換性のあるマルチチャネルオーディオ符号化
DE602005006424T DE602005006424T2 (de) 2004-11-02 2005-10-31 Stereokompatible mehrkanal-audiokodierung
CN2005800338587A CN101036183B (zh) 2004-11-02 2005-10-31 用于立体声兼容的多声道音频编码/解码的方法和设备
KR1020077006367A KR100936498B1 (ko) 2004-11-02 2005-10-31 스테레오 호환성의 멀티채널 오디오 코딩
PCT/EP2005/011663 WO2006048226A1 (en) 2004-11-02 2005-10-31 Stereo compatible multi-channel audio coding
EP05798859A EP1784819B1 (en) 2004-11-02 2005-10-31 Stereo compatible multi-channel audio coding
TW094138330A TWI330825B (en) 2004-11-02 2005-11-01 Parametric representation, apparatus for processing/deriving parametric representation and method thereof
US11/286,239 US7916873B2 (en) 2004-11-02 2005-11-23 Stereo compatible multi-channel audio coding
HK07111849A HK1106606A1 (en) 2004-11-02 2007-11-01 Stereo compatible multi-channel audio coding
US13/040,057 US8654985B2 (en) 2004-11-02 2011-03-03 Stereo compatible multi-channel audio coding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0402650A SE0402650D0 (sv) 2004-11-02 2004-11-02 Improved parametric stereo compatible coding of spatial audio

Publications (1)

Publication Number Publication Date
SE0402650D0 true SE0402650D0 (sv) 2004-11-02

Family

ID=33448766

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0402650A SE0402650D0 (sv) 2004-11-02 2004-11-02 Improved parametric stereo compatible coding of spatial audio

Country Status (13)

Country Link
US (2) US7916873B2 (sv)
EP (1) EP1784819B1 (sv)
JP (1) JP4616349B2 (sv)
KR (1) KR100936498B1 (sv)
CN (1) CN101036183B (sv)
AT (1) ATE393951T1 (sv)
DE (1) DE602005006424T2 (sv)
ES (1) ES2306235T3 (sv)
HK (1) HK1106606A1 (sv)
RU (1) RU2381570C2 (sv)
SE (1) SE0402650D0 (sv)
TW (1) TWI330825B (sv)
WO (1) WO2006048226A1 (sv)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7447629B2 (en) * 2002-07-12 2008-11-04 Koninklijke Philips Electronics N.V. Audio coding
CA2992065C (en) 2004-03-01 2018-11-20 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques
ATE444549T1 (de) * 2004-07-14 2009-10-15 Koninkl Philips Electronics Nv Tonkanalkonvertierung
ATE545131T1 (de) * 2004-12-27 2012-02-15 Panasonic Corp Tonkodierungsvorrichtung und tonkodierungsmethode
KR20070090217A (ko) * 2004-12-28 2007-09-05 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치 및 스케일러블 부호화 방법
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
JP4943418B2 (ja) * 2005-03-30 2012-05-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ スケーラブルマルチチャネル音声符号化方法
EP1905002B1 (en) * 2005-05-26 2013-05-22 LG Electronics Inc. Method and apparatus for decoding audio signal
JP4988716B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
JP5227794B2 (ja) 2005-06-30 2013-07-03 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
EP1913576A2 (en) 2005-06-30 2008-04-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
WO2007004833A2 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
JP5113050B2 (ja) * 2005-07-29 2013-01-09 エルジー エレクトロニクス インコーポレイティド 符号化されたオーディオ信号の生成方法及びオーディオ信号の処理方法
CA2617050C (en) * 2005-07-29 2012-10-09 Lg Electronics Inc. Method for signaling of splitting information
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
MX2008002760A (es) * 2005-08-30 2008-04-07 Lg Electronics Inc Metodo para decodificar una senal de audio.
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
WO2007032647A1 (en) * 2005-09-14 2007-03-22 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US20080221907A1 (en) * 2005-09-14 2008-09-11 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
WO2007040349A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing
KR100857121B1 (ko) * 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7761289B2 (en) 2005-10-24 2010-07-20 Lg Electronics Inc. Removing time delays in signal paths
JP5147727B2 (ja) * 2006-01-19 2013-02-20 エルジー エレクトロニクス インコーポレイティド 信号デコーディング方法及び装置
EP1974345B1 (en) * 2006-01-19 2014-01-01 LG Electronics Inc. Method and apparatus for processing a media signal
WO2007089129A1 (en) * 2006-02-03 2007-08-09 Electronics And Telecommunications Research Institute Apparatus and method for visualization of multichannel audio signals
WO2007089131A1 (en) 2006-02-03 2007-08-09 Electronics And Telecommunications Research Institute Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
JP2009526264A (ja) * 2006-02-07 2009-07-16 エルジー エレクトロニクス インコーポレイティド 符号化/復号化装置及び方法
US20090177479A1 (en) * 2006-02-09 2009-07-09 Lg Electronics Inc. Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof
CN101390443B (zh) * 2006-02-21 2010-12-01 皇家飞利浦电子股份有限公司 音频编码和解码
JP5394754B2 (ja) * 2006-02-23 2014-01-22 エルジー エレクトロニクス インコーポレイティド オーディオ信号の処理方法及び装置
TWI483619B (zh) * 2006-03-30 2015-05-01 Lg Electronics Inc 一種媒體訊號的編碼/解碼方法及其裝置
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
ES2390181T3 (es) * 2006-06-29 2012-11-07 Lg Electronics Inc. Procedimiento y aparato para procesar una señal de audio
US20090313029A1 (en) * 2006-07-14 2009-12-17 Anyka (Guangzhou) Software Technologiy Co., Ltd. Method And System For Backward Compatible Multi Channel Audio Encoding and Decoding with the Maximum Entropy
US20080235006A1 (en) * 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
US20100040135A1 (en) * 2006-09-29 2010-02-18 Lg Electronics Inc. Apparatus for processing mix signal and method thereof
KR100891668B1 (ko) 2006-10-12 2009-04-02 엘지전자 주식회사 믹스 신호 처리 방법 및 장치
US9418667B2 (en) 2006-10-12 2016-08-16 Lg Electronics Inc. Apparatus for processing a mix signal and method thereof
KR100891672B1 (ko) 2006-10-12 2009-04-03 엘지전자 주식회사 믹스 신호의 처리 방법 및 장치
WO2008060111A1 (en) 2006-11-15 2008-05-22 Lg Electronics Inc. A method and an apparatus for decoding an audio signal
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR100891671B1 (ko) 2006-12-01 2009-04-03 엘지전자 주식회사 믹스신호 제어 방법 및 장치
KR100891669B1 (ko) 2006-12-01 2009-04-02 엘지전자 주식회사 믹스 신호의 처리 방법 및 장치
WO2008069594A1 (en) * 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for processing an audio signal
EP2102855A4 (en) 2006-12-07 2010-07-28 Lg Electronics Inc METHOD AND APPARATUS FOR DECODING AUDIO SIGNAL
KR20080052813A (ko) * 2006-12-08 2008-06-12 한국전자통신연구원 채널별 신호 분포 특성을 반영한 오디오 코딩 장치 및 방법
JP5554065B2 (ja) * 2007-02-06 2014-07-23 コーニンクレッカ フィリップス エヌ ヴェ 複雑さの軽減されたパラメトリックステレオデコーダ
US20100121470A1 (en) * 2007-02-13 2010-05-13 Lg Electronics Inc. Method and an apparatus for processing an audio signal
US20100119073A1 (en) * 2007-02-13 2010-05-13 Lg Electronics, Inc. Method and an apparatus for processing an audio signal
TWI374671B (en) 2007-07-31 2012-10-11 Realtek Semiconductor Corp Audio encoding method with function of accelerating a quantization iterative loop process
KR101505831B1 (ko) 2007-10-30 2015-03-26 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
KR101147780B1 (ko) * 2008-01-01 2012-06-01 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
CN101911181A (zh) 2008-01-01 2010-12-08 Lg电子株式会社 用于处理音频信号的方法和装置
KR101444102B1 (ko) * 2008-02-20 2014-09-26 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
US8326446B2 (en) 2008-04-16 2012-12-04 Lg Electronics Inc. Method and an apparatus for processing an audio signal
EP2111060B1 (en) 2008-04-16 2014-12-03 LG Electronics Inc. A method and an apparatus for processing an audio signal
KR101061128B1 (ko) 2008-04-16 2011-08-31 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
JP5122681B2 (ja) * 2008-05-23 2013-01-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ パラメトリックステレオアップミクス装置、パラメトリックステレオデコーダ、パラメトリックステレオダウンミクス装置、及びパラメトリックステレオエンコーダ
US8060042B2 (en) * 2008-05-23 2011-11-15 Lg Electronics Inc. Method and an apparatus for processing an audio signal
KR101614160B1 (ko) * 2008-07-16 2016-04-20 한국전자통신연구원 포스트 다운믹스 신호를 지원하는 다객체 오디오 부호화 장치 및 복호화 장치
US8346379B2 (en) * 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
US8258849B2 (en) * 2008-09-25 2012-09-04 Lg Electronics Inc. Method and an apparatus for processing a signal
EP2169664A3 (en) * 2008-09-25 2010-04-07 LG Electronics Inc. A method and an apparatus for processing a signal
US8479015B2 (en) * 2008-10-17 2013-07-02 Oracle International Corporation Virtual image management
KR101499785B1 (ko) 2008-10-23 2015-03-09 삼성전자주식회사 모바일 디바이스를 위한 오디오 처리 장치 및 그 방법
KR20110138367A (ko) * 2009-03-13 2011-12-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 보조 데이터의 삽입 및 추출
ES2519415T3 (es) 2009-03-17 2014-11-06 Dolby International Ab Codificación estéreo avanzada basada en una combinación de codificación estéreo izquierda/derecha o central/lateral seleccionable de manera adaptativa y de codificación estéreo paramétrica
US8666752B2 (en) * 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
TWI433137B (zh) * 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
US20120265542A1 (en) * 2009-10-16 2012-10-18 France Telecom Optimized parametric stereo decoding
EP2346028A1 (en) 2009-12-17 2011-07-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. An apparatus and a method for converting a first parametric spatial audio signal into a second parametric spatial audio signal
CN102157152B (zh) 2010-02-12 2014-04-30 华为技术有限公司 立体声编码的方法、装置
EP2375409A1 (en) * 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
US9236047B2 (en) 2010-05-21 2016-01-12 Microsoft Technology Licensing, Llc Voice stream augmented note taking
TWI516138B (zh) 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
KR101697550B1 (ko) * 2010-09-16 2017-02-02 삼성전자주식회사 멀티채널 오디오 대역폭 확장 장치 및 방법
AU2012230442B2 (en) * 2011-03-18 2016-02-25 Dolby International Ab Frame element length transmission in audio coding
CN103620673B (zh) 2011-06-24 2016-04-27 皇家飞利浦有限公司 用于处理已编码多声道音频信号的音频信号处理器和用于音频信号处理器的方法
KR101842257B1 (ko) * 2011-09-14 2018-05-15 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
CN103493128B (zh) * 2012-02-14 2015-05-27 华为技术有限公司 用于执行多信道音频信号的适应性下混和上混的方法及设备
US9552818B2 (en) 2012-06-14 2017-01-24 Dolby International Ab Smooth configuration switching for multichannel audio rendering based on a variable number of received channels
KR101434206B1 (ko) 2012-07-25 2014-08-27 삼성전자주식회사 신호 복호화 장치
PL2922053T3 (pl) * 2012-11-15 2019-11-29 Ntt Docomo Inc Urządzenie do kodowania audio, sposób kodowania audio, program do kodowania audio, urządzenie do dekodowania audio, sposób dekodowania audio, i program do dekodowania audio
US9191516B2 (en) * 2013-02-20 2015-11-17 Qualcomm Incorporated Teleconferencing using steganographically-embedded audio data
EP2981960B1 (en) 2013-04-05 2019-03-13 Dolby International AB Stereo audio encoder and decoder
US8804971B1 (en) * 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
CN105474308A (zh) * 2013-05-28 2016-04-06 诺基亚技术有限公司 音频信号编码器
EP3561809B1 (en) 2013-09-12 2023-11-22 Dolby International AB Method for decoding and decoder.
TWI634547B (zh) 2013-09-12 2018-09-01 瑞典商杜比國際公司 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品
TWI579831B (zh) 2013-09-12 2017-04-21 杜比國際公司 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統
EP2866227A1 (en) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
US9911423B2 (en) 2014-01-13 2018-03-06 Nokia Technologies Oy Multi-channel audio signal classifier
KR101500972B1 (ko) * 2014-03-05 2015-03-12 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
KR101856127B1 (ko) * 2014-04-02 2018-05-09 주식회사 윌러스표준기술연구소 오디오 신호 처리 방법 및 장치
US9674598B2 (en) 2014-04-15 2017-06-06 Fairchild Semiconductor Corporation Audio accessory communication with active noise cancellation
CN107731238B (zh) * 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
US10366695B2 (en) * 2017-01-19 2019-07-30 Qualcomm Incorporated Inter-channel phase difference parameter modification
CN108694955B (zh) * 2017-04-12 2020-11-17 华为技术有限公司 多声道信号的编解码方法和编解码器
WO2023088560A1 (en) * 2021-11-18 2023-05-25 Nokia Technologies Oy Metadata processing for first order ambisonics
CN115691515A (zh) * 2022-07-12 2023-02-03 南京拓灵智能科技有限公司 一种音频编解码方法及装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05502539A (ja) 1990-09-19 1993-04-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 主データファイル及び制御ファイルが記録された記録担体、その記録方法及び装置、及びその読取装置
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
US6226616B1 (en) 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
JP2002175097A (ja) * 2000-12-06 2002-06-21 Yamaha Corp 音声信号のエンコード/圧縮装置およびデコード/伸長装置
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
AU2003201097A1 (en) 2002-02-18 2003-09-04 Koninklijke Philips Electronics N.V. Parametric audio coding
DE60311794C5 (de) 2002-04-22 2022-11-10 Koninklijke Philips N.V. Signalsynthese
ATE426235T1 (de) * 2002-04-22 2009-04-15 Koninkl Philips Electronics Nv Dekodiervorrichtung mit dekorreliereinheit
RU2325046C2 (ru) * 2002-07-16 2008-05-20 Конинклейке Филипс Электроникс Н.В. Аудиокодирование
CN1748247B (zh) 2003-02-11 2011-06-15 皇家飞利浦电子股份有限公司 音频编码
ATE487213T1 (de) * 2003-03-17 2010-11-15 Koninkl Philips Electronics Nv Verarbeitung von mehrkanalsignalen
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals

Also Published As

Publication number Publication date
HK1106606A1 (en) 2008-03-14
TW200627379A (en) 2006-08-01
RU2381570C2 (ru) 2010-02-10
DE602005006424D1 (de) 2008-06-12
CN101036183A (zh) 2007-09-12
US20110211703A1 (en) 2011-09-01
KR100936498B1 (ko) 2010-01-13
EP1784819B1 (en) 2008-04-30
WO2006048226A1 (en) 2006-05-11
US7916873B2 (en) 2011-03-29
ATE393951T1 (de) 2008-05-15
KR20070051915A (ko) 2007-05-18
JP4616349B2 (ja) 2011-01-19
RU2007120634A (ru) 2008-12-10
TWI330825B (en) 2010-09-21
EP1784819A1 (en) 2007-05-16
CN101036183B (zh) 2011-06-01
JP2008519301A (ja) 2008-06-05
DE602005006424T2 (de) 2009-05-28
US20060133618A1 (en) 2006-06-22
US8654985B2 (en) 2014-02-18
ES2306235T3 (es) 2008-11-01

Similar Documents

Publication Publication Date Title
SE0402650D0 (sv) Improved parametric stereo compatible coding of spatial audio
ES2587196T3 (es) Extracción de una señal directa/de ambiente de una señal de mezcla descendente e información paramétrica espacial
TW200737127A (en) Reduced number of channels decoding
HK1120699A1 (en) Enhanced method for signal shaping in multi-channel audio reconstruction
SE0400997D0 (sv) Efficient coding of multi-channel audio
TW200641795A (en) Parametric coding of spatial audio with cues based on transmitted channels
CA2621664A1 (en) Method and apparatus for decoding an audio signal
MX2010004220A (es) Codificacion de audio usando mezcla descendente.
TW200701822A (en) Multi-channel hierarchical audio coding with compact side-information
DE602007007457D1 (de) Ableitung von mittelkanalton
DE602006002501D1 (de) Audiokodierung und audiodekodierung
MX2011009660A (es) Codificacion estereo avanzada basada en una combinacion de codificacion izquierda/derecha o media/lateral seleccionable de manera adaptable y de codificacion estereo parametrica.
ATE473502T1 (de) Mehrkanal-audiocodierung
MY154641A (en) Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear cimbination parameter
ATE378675T1 (de) Energieabhängige quantisierung für effiziente kodierung räumlicher audioparameter
PH12015501587A1 (en) Signaling audio rendering information in a bitstream
MX2011007923A (es) Mezclador hacia arriba, metodo y programa de computadora para mezclar hacia arriba una señal de audio mezclada hacia abajo.
ATE539431T1 (de) Kodierung von tonsignalen mit hall
MY163042A (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
MY178139A (en) Audio decoder and method for providing a decoded audio information using an errorconcealment based on a time domain excitation signal
JP2012514358A5 (sv)
TW200742275A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
DE602004004168D1 (de) Kompatible mehrkanal-codierung/-decodierung
MY178342A (en) Coding of audio scenes
MY176406A (en) Encoder, decoder, system and method employing a residual concept for parametric audio object coding