JP2009518659A - マルチチャネルオーディオ信号の符号化／復号化方法及び装置 - Google Patents

マルチチャネルオーディオ信号の符号化／復号化方法及び装置 Download PDF

Info

Publication number
JP2009518659A
JP2009518659A JP2008533239A JP2008533239A JP2009518659A JP 2009518659 A JP2009518659 A JP 2009518659A JP 2008533239 A JP2008533239 A JP 2008533239A JP 2008533239 A JP2008533239 A JP 2008533239A JP 2009518659 A JP2009518659 A JP 2009518659A
Authority
JP
Japan
Prior art keywords
quantization
audio signal
channels
cld
channel
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2008533239A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009518659A5 (enExample
Inventor
ウォン ジュン，ヤン
スク パン，ヒー
オ オー，ヒュン
スー キム，ドン
ヒュン リム，ジェ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Priority claimed from KR1020060065290A external-priority patent/KR20070035410A/ko
Priority claimed from KR1020060065291A external-priority patent/KR20070035411A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of JP2009518659A publication Critical patent/JP2009518659A/ja
Publication of JP2009518659A5 publication Critical patent/JP2009518659A5/ja
Pending legal-status Critical Current

Links

Images

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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
JP2008533239A 2005-09-27 2006-09-26 マルチチャネルオーディオ信号の符号化／復号化方法及び装置 Pending JP2009518659A (ja)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US72049505P 2005-09-27 2005-09-27
US75577706P 2006-01-04 2006-01-04
US78252106P 2006-03-16 2006-03-16
KR1020060065290A KR20070035410A (ko) 2005-09-27 2006-07-12 멀티 채널 오디오 신호의 공간 정보 부호화/복호화 방법 및장치
KR1020060065291A KR20070035411A (ko) 2005-09-27 2006-07-12 멀티 채널 오디오 신호의 공간 정보 부호화/복호화 방법 및장치
PCT/KR2006/003830 WO2007037613A1 (en) 2005-09-27 2006-09-26 Method and apparatus for encoding/decoding multi-channel audio signal

Publications (2)

Publication Number Publication Date
JP2009518659A true JP2009518659A (ja) 2009-05-07
JP2009518659A5 JP2009518659A5 (enExample) 2010-05-20

Family

ID=37899989

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2008533239A Pending JP2009518659A (ja) 2005-09-27 2006-09-26 マルチチャネルオーディオ信号の符号化／復号化方法及び装置
JP2008533244A Pending JP2009510514A (ja) 2005-09-27 2006-09-27 マルチチャネルオーディオ信号の符号化／復号化方法及び装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2008533244A Pending JP2009510514A (ja) 2005-09-27 2006-09-27 マルチチャネルオーディオ信号の符号化／復号化方法及び装置

Country Status (5)

Country Link
US (2) US8090587B2 (enExample)
EP (2) EP1943642A4 (enExample)
JP (2) JP2009518659A (enExample)
TW (2) TWI333385B (enExample)
WO (2) WO2007037613A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3267439A1 (en) * 2006-02-03 2018-01-10 Electronics and Telecommunications Research Institute Method and apparatus for control of rendering multiobject or multichannel audio signal using spatial cue
US20080159403A1 (en) * 2006-12-14 2008-07-03 Ted Emerson Dunning System for Use of Complexity of Audio, Image and Video as Perceived by a Human Observer
WO2008074076A1 (en) * 2006-12-19 2008-06-26 Torqx Pty Limited Confidence levels for speaker recognition
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
WO2011097903A1 (zh) * 2010-02-11 2011-08-18 华为技术有限公司 多声道信号编码、解码方法、装置及编解码系统
CN102157151B (zh) 2010-02-11 2012-10-03 华为技术有限公司 一种多声道信号编码方法、解码方法、装置和系统
KR20120038311A (ko) * 2010-10-13 2012-04-23 삼성전자주식회사 공간 파라미터 부호화 장치 및 방법，그리고 공간 파라미터 복호화 장치 및 방법
ES2765527T3 (es) * 2011-04-20 2020-06-09 Panasonic Ip Corp America Dispositivo y método para la ejecución de la codificación de Huffman
US8401863B1 (en) * 2012-04-25 2013-03-19 Dolby Laboratories Licensing Corporation Audio encoding and decoding with conditional quantizers
US9502044B2 (en) 2013-05-29 2016-11-22 Qualcomm Incorporated Compression of decomposed representations of a sound field
EP4294055B1 (en) 2014-03-19 2024-11-06 Wilus Institute of Standards and Technology Inc. Audio signal processing method and apparatus
FR3048808A1 (fr) * 2016-03-10 2017-09-15 Orange Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal
US10559315B2 (en) 2018-03-28 2020-02-11 Qualcomm Incorporated Extended-range coarse-fine quantization for audio coding
US10762910B2 (en) 2018-06-01 2020-09-01 Qualcomm Incorporated Hierarchical fine quantization for audio coding
WO2020089510A1 (en) * 2018-10-31 2020-05-07 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US11538489B2 (en) 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US12142285B2 (en) * 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US11361776B2 (en) 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06202699A (ja) * 1992-09-29 1994-07-22 Mitsubishi Electric Corp 音声符号化装置及び音声復号化装置及び音声符号化復号化方法
JPH08186500A (ja) * 1994-12-28 1996-07-16 Sony Corp 高能率符号化方法及び装置、高能率復号化方法及び装置、並びに伝送媒体
JPH0946234A (ja) * 1995-07-27 1997-02-14 Victor Co Of Japan Ltd 音響信号符号化方法、音響信号復号化方法、音響信号符号化装置、音響信号復号化装置
JPH09230894A (ja) * 1996-02-20 1997-09-05 Shogo Nakamura 音声圧縮伸張装置及び音声圧縮伸張方法
WO2005036529A1 (en) * 2003-10-13 2005-04-21 Koninklijke Philips Electronics N.V. Audio encoding
JP2008517339A (ja) * 2005-04-19 2008-05-22 コーディング テクノロジーズ アクチボラゲット 空間音声パラメータの効率的符号化のためのエネルギー対応量子化

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040217A (en) * 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
FR2681962B1 (fr) * 1991-09-30 1993-12-24 Sgs Thomson Microelectronics Sa Procede et circuit de traitement de donnees par transformee cosinus.
JP3237178B2 (ja) * 1992-03-18 2001-12-10 ソニー株式会社 符号化方法及び復号化方法
DE4209544A1 (de) 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
SG54383A1 (en) * 1996-10-31 1998-11-16 Sgs Thomson Microelectronics A Method and apparatus for decoding multi-channel audio data
JP2001177889A (ja) * 1999-12-21 2001-06-29 Casio Comput Co Ltd 身体装着型音楽再生装置、及び音楽再生システム
US6442517B1 (en) * 2000-02-18 2002-08-27 First International Digital, Inc. Methods and system for encoding an audio sequence with synchronized data and outputting the same
JP2002016921A (ja) * 2000-06-27 2002-01-18 Matsushita Electric Ind Co Ltd 動画像符号化装置および動画像復号化装置
TW453048B (en) * 2000-10-12 2001-09-01 Avid Electronics Corp Adaptive variable compression rate encoding/decoding method and apparatus
US6754624B2 (en) 2001-02-13 2004-06-22 Qualcomm, Inc. Codebook re-ordering to reduce undesired packet generation
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
ATE353465T1 (de) 2001-11-30 2007-02-15 Koninkl Philips Electronics Nv Signalkodierung
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
KR100978018B1 (ko) * 2002-04-22 2010-08-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 공간 오디오의 파라메터적 표현
EP1523863A1 (en) * 2002-07-16 2005-04-20 Koninklijke Philips Electronics N.V. Audio coding
JP4212591B2 (ja) 2003-06-30 2009-01-21 富士通株式会社 オーディオ符号化装置
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
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
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
US7391870B2 (en) 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
KR100737386B1 (ko) 2004-12-31 2007-07-09 한국전자통신연구원 공간정보기반 오디오 부호화를 위한 채널간 에너지비 추정및 양자화 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06202699A (ja) * 1992-09-29 1994-07-22 Mitsubishi Electric Corp 音声符号化装置及び音声復号化装置及び音声符号化復号化方法
JPH08186500A (ja) * 1994-12-28 1996-07-16 Sony Corp 高能率符号化方法及び装置、高能率復号化方法及び装置、並びに伝送媒体
JPH0946234A (ja) * 1995-07-27 1997-02-14 Victor Co Of Japan Ltd 音響信号符号化方法、音響信号復号化方法、音響信号符号化装置、音響信号復号化装置
JPH09230894A (ja) * 1996-02-20 1997-09-05 Shogo Nakamura 音声圧縮伸張装置及び音声圧縮伸張方法
WO2005036529A1 (en) * 2003-10-13 2005-04-21 Koninklijke Philips Electronics N.V. Audio encoding
JP2008517339A (ja) * 2005-04-19 2008-05-22 コーディング テクノロジーズ アクチボラゲット 空間音声パラメータの効率的符号化のためのエネルギー対応量子化

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JPN6012013501; Ｊ．　Ｈｅｒｒｅ，　ｅｔ　ａｌ．: 'Ｔｈｅ　Ｒｅｆｅｒｅｎｃｅ　Ｍｏｄｅｌ　Ａｒｃｈｉｔｅｃｔｕｒｅ　ｆｏｒ　ＭＰＥＧ　Ｓｐａｔｉａｌ　Ａｕｄｉｏ　Ｃｏｄｉｎｇ' Ｃｏｎｖｅｎｔｉｏｎ　Ｐａｐｅｒ　ｏｆ　ｔｈｅ　Ａｕｄｉｏ　Ｅｎｇｉｎｅｅｒｉｎｇ　Ｓｏｃｉｅｔｙ　１１８ｔｈ　Ｃｏｎｖｅｎｔｉｏｎ ６４４７, 20050528, ｐ．１-１３, Ａｕｄｉｏ　Ｅｎｇｉｎｅｅｒｉｎｇ　Ｓｏｃｉｅｔｙ *
JPN6012013502; Ｃｈｒｉｓｔｏｆ　Ｆａｌｌｅｒ，　ｅｔ　ａｌ．: 'ＢＩＮＡＵＲＡＬ　ＣＵＥ　ＣＯＤＩＮＧ：　Ａ　ＮＯＶＥＬ　ＡＮＤ　ＥＦＦＩＣＩＥＮＴ　ＲＥＰＲＥＳＥＮＴＡＴＩＯＮ　ＯＦ　ＳＰＡＴＩＡＬ　ＡＵＤＩＯ' Ｐｒｏｃｅｅｄｉｎｇｓ　ｏｆ　ｔｈｅ　ＩＥＥＥ　Ｉｎｔｅｒｎａｔｉｏｎａｌ　Ｃｏｎｆｅｒｅｎｃｅ　ｏｎ　Ａｃｏｕｓｔｉｃｓ，　Ｓｐｅｅｃｈ，　ａｎｄ　Ｓｉｇｎａｌ　Ｐｒｏｃｅｓｓｉｎｇ Ｖｏｌ．２, 20020513, １８４１-１８４４, ＩＥＥＥ *

Also Published As

Publication number Publication date
TWI404429B (zh) 2013-08-01
US7719445B2 (en) 2010-05-18
EP1943642A1 (en) 2008-07-16
TWI333385B (en) 2010-11-11
WO2007037613A1 (en) 2007-04-05
EP1943642A4 (en) 2009-07-01
WO2007037621A1 (en) 2007-04-05
US20080252510A1 (en) 2008-10-16
TW200719746A (en) 2007-05-16
TW200932030A (en) 2009-07-16
US8090587B2 (en) 2012-01-03
HK1132576A1 (en) 2010-02-26
EP1938313A1 (en) 2008-07-02
US20090048847A1 (en) 2009-02-19
EP1938313A4 (en) 2009-06-24
JP2009510514A (ja) 2009-03-12

Similar Documents

Publication Publication Date Title
US10555104B2 (en) Binaural decoder to output spatial stereo sound and a decoding method thereof
JP2009518659A (ja) マルチチャネルオーディオ信号の符号化／復号化方法及び装置
EP2107833B1 (en) Audio wave field encoding
US8620011B2 (en) Method, medium, and system synthesizing a stereo signal
US8332229B2 (en) Low complexity MPEG encoding for surround sound recordings
US8073702B2 (en) Apparatus for encoding and decoding audio signal and method thereof
JP6329629B2 (ja) 領域の音場データを圧縮および解凍するための方法および装置
US8082157B2 (en) Apparatus for encoding and decoding audio signal and method thereof
CN105580070A (zh) 根据室内脉冲响应处理音频信号的方法、信号处理单元、音频编码器、音频解码器及立体声渲染器
KR20040102164A (ko) 공간적 오디오의 파라메터적 표시
JP2015527610A (ja) マルチチャンネルオーディオ信号のレンダリングを改善する方法及び装置
US20110040566A1 (en) Method and apparatus for encoding and decoding residual signal
CN112823534A (zh) 信号处理设备和方法以及程序
EP3061088B1 (en) Decorrelator structure for parametric reconstruction of audio signals
JP4685165B2 (ja) 仮想音源位置情報に基づいたチャネル間レベル差量子化及び逆量子化方法
EP2489036B1 (en) Method, apparatus and computer program for processing multi-channel audio signals
CN101427307A (zh) 编码/解码多声道音频信号的方法和装置
KR20070035411A (ko) 멀티 채널 오디오 신호의 공간 정보 부호화/복호화 방법 및장치
Pinto et al. Bitstream format for spatio-temporal wave field coder
HK1132576B (en) Method and apparatus for encoding/decoding multi-channel audio signal
KR20070035410A (ko) 멀티 채널 오디오 신호의 공간 정보 부호화/복호화 방법 및장치
Park et al. REAL-TIME IMPLEMENTATION OF VIRTUAL SURROUND SYSTEM USING AC-3
KR20070041335A (ko) 오디오 신호의 인코딩 및 디코딩 방법

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090206

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20090928

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100331

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120313

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120613

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121113

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130213

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130312

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20130806