HK1107739A1 - 使用解相關信號的多信道音頻信號解碼 - Google Patents

使用解相關信號的多信道音頻信號解碼

Info

Publication number
HK1107739A1
HK1107739A1 HK07113399.3A HK07113399A HK1107739A1 HK 1107739 A1 HK1107739 A1 HK 1107739A1 HK 07113399 A HK07113399 A HK 07113399A HK 1107739 A1 HK1107739 A1 HK 1107739A1
Authority
HK
Hong Kong
Prior art keywords
audio signal
signal decoding
multichannel audio
correlated signals
correlated
Prior art date
Application number
HK07113399.3A
Other languages
English (en)
Inventor
Heiko Purnhagen
Jonas Engdegard
Jeroen Breebaart
Erik Schuijers
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of HK1107739A1 publication Critical patent/HK1107739A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
HK07113399.3A 2004-11-02 2007-12-07 使用解相關信號的多信道音頻信號解碼 HK1107739A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0402649A SE0402649D0 (sv) 2004-11-02 2004-11-02 Advanced methods of creating orthogonal signals
PCT/EP2005/011664 WO2006048227A1 (en) 2004-11-02 2005-10-31 Multichannel audio signal decoding using de-correlated signals

Publications (1)

Publication Number Publication Date
HK1107739A1 true HK1107739A1 (zh) 2008-04-11

Family

ID=33448765

Family Applications (2)

Application Number Title Priority Date Filing Date
HK07113399.3A HK1107739A1 (zh) 2004-11-02 2007-12-07 使用解相關信號的多信道音頻信號解碼
HK11106683.6A HK1152789A1 (en) 2004-11-02 2011-06-29 Multichannel audio signal decoding using de-correlated signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK11106683.6A HK1152789A1 (en) 2004-11-02 2011-06-29 Multichannel audio signal decoding using de-correlated signals

Country Status (12)

Country Link
US (1) US8019350B2 (zh)
EP (1) EP1808047B1 (zh)
JP (1) JP4598830B2 (zh)
KR (1) KR100903843B1 (zh)
CN (2) CN101061751B (zh)
ES (1) ES2544946T3 (zh)
HK (2) HK1107739A1 (zh)
PL (1) PL1808047T3 (zh)
RU (1) RU2369982C2 (zh)
SE (1) SE0402649D0 (zh)
TW (1) TWI331321B (zh)
WO (1) WO2006048227A1 (zh)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
ATE444549T1 (de) * 2004-07-14 2009-10-15 Koninkl Philips Electronics Nv Tonkanalkonvertierung
KR100737386B1 (ko) 2004-12-31 2007-07-09 한국전자통신연구원 공간정보기반 오디오 부호화를 위한 채널간 에너지비 추정및 양자화 방법
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
US8626503B2 (en) * 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
BRPI0613734B1 (pt) * 2005-07-19 2019-10-22 Agere Systems decodificador, método e receptor para gerar um sinal de áudio de multi-canais, unidade legível por computador, sistema de transmissão, método para transmitir e receber um sinal de áudio, e, dispositivo de reprodução de áudio
KR101218776B1 (ko) 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
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
BRPI0707969B1 (pt) 2006-02-21 2020-01-21 Koninklijke Philips Electonics N V codificador de áudio, decodificador de áudio, método de codificação de áudio, receptor para receber um sinal de áudio, transmissor, método para transmitir um fluxo de dados de saída de áudio, e produto de programa de computador
CA2646961C (en) * 2006-03-28 2013-09-03 Sascha Disch Enhanced method for signal shaping in multi-channel audio reconstruction
US8488796B2 (en) * 2006-08-08 2013-07-16 Creative Technology Ltd 3D audio renderer
JP5328637B2 (ja) * 2007-02-20 2013-10-30 パナソニック株式会社 マルチチャンネル復号装置、マルチチャンネル復号方法、プログラム及び半導体集積回路
DE102007018032B4 (de) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
JP5133401B2 (ja) * 2007-04-26 2013-01-30 ドルビー・インターナショナル・アクチボラゲット 出力信号の合成装置及び合成方法
WO2009045649A1 (en) * 2007-08-20 2009-04-09 Neural Audio Corporation Phase decorrelation for audio processing
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
RU2439718C1 (ru) * 2007-12-31 2012-01-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки звукового сигнала
JP5243555B2 (ja) 2008-01-01 2013-07-24 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
CN101903943A (zh) * 2008-01-01 2010-12-01 Lg电子株式会社 用于处理信号的方法和装置
AU2008344132B2 (en) * 2008-01-01 2012-07-19 Lg Electronics Inc. A method and an apparatus for processing an audio signal
KR101428487B1 (ko) * 2008-07-11 2014-08-08 삼성전자주식회사 멀티 채널 부호화 및 복호화 방법 및 장치
EP2144229A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Efficient use of phase information in audio encoding and decoding
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
KR101600352B1 (ko) 2008-10-30 2016-03-07 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 장치 및 방법
EP2214162A1 (en) 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
FR2954570B1 (fr) * 2009-12-23 2012-06-08 Arkamys Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe
WO2011083981A2 (en) * 2010-01-06 2011-07-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
US9025776B2 (en) 2010-02-01 2015-05-05 Rensselaer Polytechnic Institute Decorrelating audio signals for stereophonic and surround sound using coded and maximum-length-class sequences
BR122019026166B1 (pt) 2010-04-09 2021-01-05 Dolby International Ab sistema decodificador, aparelho e método para emitir um sinal de áudio estereofônico tendo um canal esquerdo e um canal direito e meio legível por computador não transitório
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
RU2573774C2 (ru) 2010-08-25 2016-01-27 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство для декодирования сигнала, содержащего переходные процессы, используя блок объединения и микшер
CN102802112B (zh) * 2011-05-24 2014-08-13 鸿富锦精密工业（深圳）有限公司 具有音频文件格式转换功能的电子装置
US9059786B2 (en) * 2011-07-07 2015-06-16 Vecima Networks Inc. Ingress suppression for communication systems
CN102364885B (zh) * 2011-10-11 2014-02-05 宁波大学 一种基于信号频谱包络的频谱感知方法
ITTO20120067A1 (it) 2012-01-26 2013-07-27 Inst Rundfunktechnik Gmbh Method and apparatus for conversion of a multi-channel audio signal into a two-channel audio signal.
CN105229730A (zh) * 2012-11-09 2016-01-06 斯托明瑞士有限责任公司 多信道信号的非线性逆编码
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
IN2015MN01952A (zh) * 2013-02-14 2015-08-28 Dolby Lab Licensing Corp
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
WO2014161996A2 (en) * 2013-04-05 2014-10-09 Dolby International Ab Audio processing system
US20150036826A1 (en) * 2013-05-08 2015-02-05 Max Sound Corporation Stereo expander method
US20150036828A1 (en) * 2013-05-08 2015-02-05 Max Sound Corporation Internet audio software method
US20140362996A1 (en) * 2013-05-08 2014-12-11 Max Sound Corporation Stereo soundfield expander
CN105393304B (zh) * 2013-05-24 2019-05-28 杜比国际公司 音频编码和解码方法、介质以及音频编码器和解码器
EP2830049A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient object metadata coding
EP2830053A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
EP2830333A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
EP2830048A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
JP6449877B2 (ja) 2013-07-22 2019-01-09 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ マルチチャネル・オーディオ・デコーダ、マルチチャネル・オーディオ・エンコーダ、レンダリングされたオーディオ信号を使用する方法、コンピュータ・プログラムおよび符号化オーディオ表現
WO2015036350A1 (en) 2013-09-12 2015-03-19 Dolby International Ab Audio decoding system and audio encoding system
EP3561809B1 (en) * 2013-09-12 2023-11-22 Dolby International AB Method for decoding and decoder.
SG11201602628TA (en) 2013-10-21 2016-05-30 Dolby Int Ab Decorrelator structure for parametric reconstruction of audio signals
CN111192592B (zh) 2013-10-21 2023-09-15 杜比国际公司 音频信号的参数化重构
CN110992964B (zh) * 2014-07-01 2023-10-13 韩国电子通信研究院 处理多信道音频信号的方法和装置
US9380387B2 (en) 2014-08-01 2016-06-28 Klipsch Group, Inc. Phase independent surround speaker
TWI587286B (zh) * 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體
US9955276B2 (en) * 2014-10-31 2018-04-24 Dolby International Ab Parametric encoding and decoding of multichannel audio signals
AU2017357453B2 (en) 2016-11-08 2021-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multichannel signal using a side gain and a residual gain
US10560661B2 (en) 2017-03-16 2020-02-11 Dolby Laboratories Licensing Corporation Detecting and mitigating audio-visual incongruence
ES2965741T3 (es) * 2017-07-28 2024-04-16 Fraunhofer Ges Forschung Aparato para codificar o decodificar una señal multicanal codificada mediante una señal de relleno generada por un filtro de banda ancha

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5278909A (en) 1992-06-08 1994-01-11 International Business Machines Corporation System and method for stereo digital audio compression with co-channel steering
DE4236989C2 (de) * 1992-11-02 1994-11-17 Fraunhofer Ges Forschung Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle
DE4409368A1 (de) 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
JP2766466B2 (ja) * 1995-08-02 1998-06-18 株式会社東芝 オーディオ方式、その再生方法、並びにその記録媒体及びその記録媒体への記録方法
JP2001523937A (ja) 1997-11-14 2001-11-27 エックスディー・ラブ・アール・アンド・ディー インコーポレーテッド 増幅後のステレオ音響サラウンドサウンドデコード回路
JP2000214887A (ja) * 1998-11-16 2000-08-04 Victor Co Of Japan Ltd 音声符号化装置、光記録媒体、音声復号装置、音声伝送方法及び伝送媒体
JP3356165B2 (ja) * 1998-11-16 2002-12-09 日本ビクター株式会社 音声符号化装置
DK1173925T3 (da) * 1999-04-07 2004-03-29 Dolby Lab Licensing Corp Matriksforbedringer til tabsfri kodning og dekodning
US6438518B1 (en) 1999-10-28 2002-08-20 Qualcomm Incorporated Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions
US6947888B1 (en) 2000-10-17 2005-09-20 Qualcomm Incorporated Method and apparatus for high performance low bit-rate coding of unvoiced speech
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
US7272555B2 (en) * 2001-09-13 2007-09-18 Industrial Technology Research Institute Fine granularity scalability speech coding for multi-pulses CELP-based algorithm
CN1471236A (zh) * 2003-07-01 2004-01-28 北京阜国数字技术有限公司 用于感知音频编码的信号自适应多分辨率滤波器组
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
RU2369982C2 (ru) 2009-10-10
JP4598830B2 (ja) 2010-12-15
KR20070041724A (ko) 2007-04-19
TWI331321B (en) 2010-10-01
RU2006146685A (ru) 2008-07-10
EP1808047A1 (en) 2007-07-18
US8019350B2 (en) 2011-09-13
CN101061751A (zh) 2007-10-24
PL1808047T3 (pl) 2015-12-31
ES2544946T3 (es) 2015-09-07
TW200630959A (en) 2006-09-01
SE0402649D0 (sv) 2004-11-02
JP2008516290A (ja) 2008-05-15
CN101930740A (zh) 2010-12-29
CN101061751B (zh) 2013-06-19
CN101930740B (zh) 2012-05-30
EP1808047B1 (en) 2015-06-17
WO2006048227A1 (en) 2006-05-11
KR100903843B1 (ko) 2009-06-25
US20060165184A1 (en) 2006-07-27
HK1152789A1 (en) 2012-03-09

Similar Documents

Publication Publication Date Title
HK1152789A1 (en) Multichannel audio signal decoding using de-correlated signals
ZA200607661B (en) Coding of audio signals
EP1971979A4 (en) DECODING BINAURAL AUDIO SIGNALS
HK1149841A1 (en) System and method of encoding/decoding multi-channel audio signals
PL1905006T3 (pl) Generowanie wielokanałowych sygnałów audio
EP1758100A4 (en) AUDIO SIGNAL CODIER AND AUDIO SIGNAL DECODER
EP1788846A4 (en) AUDIO REPRODUCTION SYSTEM
HK1111801A1 (en) Dual-transform coding of audio signals
GB2388279B (en) Secure transmission of audio signals
EP1772963A4 (en) AUDIO SIGNAL OUTPUT DEVICE
GB2427338B (en) Restoring corrupted audio signals
EP1779656A4 (en) UPPER SCANNING OF TV AUDIO SIGNALS FOR CODING
TWI320618B (en) Signal isolating blindmate connector
AU2003299753A8 (en) Position location using digital audio broadcast signals
GB2434024B (en) Digital audio signal player
GB0517450D0 (en) Digital audio signal player
GB0602041D0 (en) Handling audio signals
PL1639580T3 (pl) Kodowanie sygnałów wielokanałowych
GB0605446D0 (en) Restoring Corrupted Audio Signals
GB2414646B (en) Optimal quantiser for an audio signal
TWI329463B (en) Enhanced delivery of audio signals
GB0517451D0 (en) Digital audio signal player
GB0501067D0 (en) Digital audio signal player
GB0421930D0 (en) Signal receiver
SE0400206D0 (sv) Flexible coding of multi-channel audio signals