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)
Swedish (sv)
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/xx
Publication of SE0402650D0 publication Critical patent/SE0402650D0/xx
Priority to PCT/EP2005/011663 priority patent/WO2006048226A1/en
Priority to AT05798859T priority patent/ATE393951T1/de
Priority to CN2005800338587A priority patent/CN101036183B/zh
Priority to JP2007539523A priority patent/JP4616349B2/ja
Priority to ES05798859T priority patent/ES2306235T3/es
Priority to RU2007120634/09A priority patent/RU2381570C2/ru
Priority to EP05798859A priority patent/EP1784819B1/en
Priority to KR1020077006367A priority patent/KR100936498B1/ko
Priority to DE602005006424T priority patent/DE602005006424T2/de
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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transceivers (AREA)
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
DE602005006424T DE602005006424T2 (de) 2004-11-02 2005-10-31 Stereokompatible mehrkanal-audiokodierung
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
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
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
ES05798859T ES2306235T3 (es) 2004-11-02 2005-10-31 Codificacion de audio multicanal compatible estereo.
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
KR1020077006367A KR100936498B1 (ko) 2004-11-02 2005-10-31 스테레오 호환성의 멀티채널 오디오 코딩
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 (xx)
EP (1) EP1784819B1 (xx)
JP (1) JP4616349B2 (xx)
KR (1) KR100936498B1 (xx)
CN (1) CN101036183B (xx)
AT (1) ATE393951T1 (xx)
DE (1) DE602005006424T2 (xx)
ES (1) ES2306235T3 (xx)
HK (1) HK1106606A1 (xx)
RU (1) RU2381570C2 (xx)
SE (1) SE0402650D0 (xx)
TW (1) TWI330825B (xx)
WO (1) WO2006048226A1 (xx)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60317203T2 (de) * 2002-07-12 2008-08-07 Koninklijke Philips Electronics N.V. Audio-kodierung
EP1914722B1 (en) 2004-03-01 2009-04-29 Dolby Laboratories Licensing Corporation Multichannel audio decoding
US8793125B2 (en) * 2004-07-14 2014-07-29 Koninklijke Philips Electronics N.V. Method and device for decorrelation and upmixing of audio channels
ATE545131T1 (de) * 2004-12-27 2012-02-15 Panasonic Corp Tonkodierungsvorrichtung und tonkodierungsmethode
EP1818910A4 (en) * 2004-12-28 2009-11-25 Panasonic Corp SCALABLE CODING DEVICE AND SCALABLE CODING METHOD
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
BRPI0608753B1 (pt) * 2005-03-30 2019-12-24 Koninl Philips Electronics Nv codificador de áudio, decodificador de áudio, método para codificar um sinal de áudio de multicanal, método para gerar um sinal de áudio de multicanal, sinal de áudio de multicanal codificado, e meio de armazenamento
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
US8073702B2 (en) 2005-06-30 2011-12-06 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
US7702407B2 (en) * 2005-07-29 2010-04-20 Lg Electronics Inc. Method for generating encoded audio signal and method for processing audio signal
KR100888970B1 (ko) * 2005-07-29 2009-03-17 엘지전자 주식회사 인코딩된 오디오 신호 생성 및 처리 방법
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
JP4568363B2 (ja) * 2005-08-30 2010-10-27 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
EP1946297B1 (en) * 2005-09-14 2017-03-08 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
WO2007040364A1 (en) 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR100857111B1 (ko) * 2005-10-05 2008-09-08 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7653533B2 (en) 2005-10-24 2010-01-26 Lg Electronics Inc. Removing time delays in signal paths
WO2007083952A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100885700B1 (ko) 2006-01-19 2009-02-26 엘지전자 주식회사 신호 디코딩 방법 및 장치
CN102693727B (zh) 2006-02-03 2015-06-10 韩国电子通信研究院 用于控制音频信号的渲染的方法
KR100852223B1 (ko) * 2006-02-03 2008-08-13 한국전자통신연구원 멀티채널 오디오 신호 시각화 장치 및 방법
EP1984913A4 (en) 2006-02-07 2011-01-12 Lg Electronics Inc DEVICE AND METHOD FOR CODING / DECODING A SIGNAL
US20090177479A1 (en) * 2006-02-09 2009-07-09 Lg Electronics Inc. Method for Encoding and Decoding Object-Based Audio Signal and Apparatus Thereof
KR101358700B1 (ko) 2006-02-21 2014-02-07 코닌클리케 필립스 엔.브이. 오디오 인코딩 및 디코딩
US7974287B2 (en) * 2006-02-23 2011-07-05 Lg Electronics Inc. Method and apparatus for processing an audio signal
KR20080071971A (ko) * 2006-03-30 2008-08-05 엘지전자 주식회사 미디어 신호 처리 방법 및 장치
EP1853092B1 (en) 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
WO2008002098A1 (en) * 2006-06-29 2008-01-03 Lg Electronics, Inc. Method and apparatus for an audio signal processing
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
JP5174027B2 (ja) * 2006-09-29 2013-04-03 エルジー エレクトロニクス インコーポレイティド ミックス信号処理装置及びミックス信号処理方法
US9418667B2 (en) 2006-10-12 2016-08-16 Lg Electronics Inc. Apparatus for processing a mix signal and method thereof
KR100891668B1 (ko) 2006-10-12 2009-04-02 엘지전자 주식회사 믹스 신호 처리 방법 및 장치
KR100891672B1 (ko) 2006-10-12 2009-04-03 엘지전자 주식회사 믹스 신호의 처리 방법 및 장치
JP4838361B2 (ja) 2006-11-15 2011-12-14 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その装置
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR100891669B1 (ko) 2006-12-01 2009-04-02 엘지전자 주식회사 믹스 신호의 처리 방법 및 장치
KR100891671B1 (ko) 2006-12-01 2009-04-03 엘지전자 주식회사 믹스신호 제어 방법 및 장치
KR101111520B1 (ko) 2006-12-07 2012-05-24 엘지전자 주식회사 오디오 처리 방법 및 장치
WO2008069584A2 (en) 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for decoding an 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
EP2118886A4 (en) * 2007-02-13 2010-04-21 Lg Electronics Inc METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL
US20100121470A1 (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
WO2009084914A1 (en) * 2008-01-01 2009-07-09 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US8654994B2 (en) 2008-01-01 2014-02-18 Lg Electronics Inc. Method and an apparatus for processing an audio signal
KR101444102B1 (ko) 2008-02-20 2014-09-26 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
KR101062351B1 (ko) 2008-04-16 2011-09-05 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
EP2111062B1 (en) 2008-04-16 2014-11-12 LG Electronics Inc. A method and an apparatus for processing an audio signal
CN102007532B (zh) 2008-04-16 2013-06-19 Lg电子株式会社 用于处理音频信号的方法和装置
US8060042B2 (en) * 2008-05-23 2011-11-15 Lg Electronics Inc. Method and an apparatus for processing an audio signal
BR122020009727B1 (pt) 2008-05-23 2021-04-06 Koninklijke Philips N.V. Método
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
US8346380B2 (en) * 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
WO2010036062A2 (en) * 2008-09-25 2010-04-01 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
JP2012520481A (ja) * 2009-03-13 2012-09-06 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 補助データの埋め込み及び抽出
CN105225667B (zh) * 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
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
CN102812511A (zh) * 2009-10-16 2012-12-05 法国电信公司 优化的参数立体声解码
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
AR085445A1 (es) * 2011-03-18 2013-10-02 Fraunhofer Ges Forschung Codificador y decodificador que tiene funcionalidad de configuracion flexible
JP5895050B2 (ja) * 2011-06-24 2016-03-30 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. 符号化された多チャンネルオーディオ信号を処理するオーディオ信号プロセッサ及びその方法
KR101842257B1 (ko) * 2011-09-14 2018-05-15 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
KR101662680B1 (ko) * 2012-02-14 2016-10-05 후아웨이 테크놀러지 컴퍼니 리미티드 멀티-채널 오디오 신호의 적응적 다운-믹싱 및 업-믹싱을 수행하기 위한 방법 및 장치
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
WO2014077254A1 (ja) * 2012-11-15 2014-05-22 株式会社Nttドコモ 音声符号化装置、音声符号化方法、音声符号化プログラム、音声復号装置、音声復号方法及び音声復号プログラム
US9191516B2 (en) * 2013-02-20 2015-11-17 Qualcomm Incorporated Teleconferencing using steganographically-embedded audio data
EP4300488A3 (en) 2013-04-05 2024-02-28 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
KR20160015280A (ko) * 2013-05-28 2016-02-12 노키아 테크놀로지스 오와이 오디오 신호 인코더
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
CN110634494B (zh) 2013-09-12 2023-09-01 杜比国际公司 多声道音频内容的编码
TWI713018B (zh) 2013-09-12 2020-12-11 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
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
JP6235725B2 (ja) 2014-01-13 2017-11-22 ノキア テクノロジーズ オサケユイチア マルチ・チャンネル・オーディオ信号分類器
KR101500972B1 (ko) * 2014-03-05 2015-03-12 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
EP3128766A4 (en) * 2014-04-02 2018-01-03 Wilus Institute of Standards and Technology Inc. Audio signal processing method and device
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
EP3588495A1 (en) 2018-06-22 2020-01-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Multichannel audio coding
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
AU642540B2 (en) 1990-09-19 1993-10-21 Philips Electronics N.V. Record carrier on which a main data file and a control file have been recorded, method of and device for recording the main data file and the control file, and device for reading the record carrier
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
ATE315823T1 (de) 2002-02-18 2006-02-15 Koninkl Philips Electronics Nv Parametrische audiocodierung
ES2280736T3 (es) 2002-04-22 2007-09-16 Koninklijke Philips Electronics N.V. Sintetizacion de señal.
US8340302B2 (en) * 2002-04-22 2012-12-25 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
JP2005533271A (ja) * 2002-07-16 2005-11-04 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 オーディオ符号化
JP4431568B2 (ja) 2003-02-11 2010-03-17 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 音声符号化
DE602004029872D1 (de) * 2003-03-17 2010-12-16 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
CN101036183B (zh) 2011-06-01
HK1106606A1 (en) 2008-03-14
ES2306235T3 (es) 2008-11-01
DE602005006424D1 (de) 2008-06-12
US8654985B2 (en) 2014-02-18
ATE393951T1 (de) 2008-05-15
JP2008519301A (ja) 2008-06-05
US20060133618A1 (en) 2006-06-22
TWI330825B (en) 2010-09-21
EP1784819B1 (en) 2008-04-30
KR100936498B1 (ko) 2010-01-13
KR20070051915A (ko) 2007-05-18
WO2006048226A1 (en) 2006-05-11
EP1784819A1 (en) 2007-05-16
TW200627379A (en) 2006-08-01
JP4616349B2 (ja) 2011-01-19
CN101036183A (zh) 2007-09-12
DE602005006424T2 (de) 2009-05-28
RU2007120634A (ru) 2008-12-10
RU2381570C2 (ru) 2010-02-10
US20110211703A1 (en) 2011-09-01
US7916873B2 (en) 2011-03-29

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
MX2009007412A (es) Decodificador de audio.
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
TW200701823A (en) Device and method for generating an encoded stereo signal of an audio piece or audio datastream
TW200641795A (en) Parametric coding of spatial audio with cues based on transmitted channels
CA2621664A1 (en) Method and apparatus for decoding an audio signal
AU2003273981A1 (en) Method for coding and decoding the wideness of a sound source in an audio scene
DE602006002501D1 (de) Audiokodierung und audiodekodierung
NO20064472L (no) Frekvensbasert koding av audiokanaler i parametrisk multikanal kodesystem
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.
MY186004A (en) Signaling audio rendering information in a bitstream
ATE473502T1 (de) Mehrkanal-audiocodierung
NO20070034L (no) Generering av et flerkanals utgangssignal
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
TW200721111A (en) Audio coding
ATE472905T1 (de) Ableitung von mittelkanalton
MX2011007923A (es) Mezclador hacia arriba, metodo y programa de computadora para mezclar hacia arriba una señal de audio mezclada hacia abajo.
MY178139A (en) Audio decoder and method for providing a decoded audio information using an errorconcealment based on a time domain excitation signal
MY163042A (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
TW200742275A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
JP2012514358A5 (xx)