JP2009518659A5 - - Google Patents

Download PDF

Info

Publication number
JP2009518659A5
JP2009518659A5 JP2008533239A JP2008533239A JP2009518659A5 JP 2009518659 A5 JP2009518659 A5 JP 2009518659A5 JP 2008533239 A JP2008533239 A JP 2008533239A JP 2008533239 A JP2008533239 A JP 2008533239A JP 2009518659 A5 JP2009518659 A5 JP 2009518659A5
Authority
JP
Japan
Prior art keywords
quantization
audio signal
mode
cld
quantization table
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
JP2009518659A (ja
Filing date
Publication date
Priority claimed from KR1020060065291A external-priority patent/KR20070035411A/ko
Priority claimed from KR1020060065290A external-priority patent/KR20070035410A/ko
Application filed filed Critical
Priority claimed from PCT/KR2006/003830 external-priority patent/WO2007037613A1/en
Publication of JP2009518659A publication Critical patent/JP2009518659A/ja
Publication of JP2009518659A5 publication Critical patent/JP2009518659A5/ja
Pending legal-status Critical Current

Links

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
KR1020060065291A KR20070035411A (ko) 2005-09-27 2006-07-12 멀티 채널 오디오 신호의 공간 정보 부호화/복호화 방법 및장치
KR1020060065290A KR20070035410A (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 JP2009518659A (ja) 2009-05-07
JP2009518659A5 true 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) TWI404429B (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
EP2629292B1 (en) * 2006-02-03 2016-06-29 Electronics and Telecommunications Research Institute Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
WO2008076897A2 (en) * 2006-12-14 2008-06-26 Veoh Networks, Inc. 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
EP3594943B1 (en) * 2011-04-20 2024-02-21 Panasonic Holdings Corporation Device and method for execution of huffman coding
US8401863B1 (en) * 2012-04-25 2013-03-19 Dolby Laboratories Licensing Corporation Audio encoding and decoding with conditional quantizers
US9883312B2 (en) 2013-05-29 2018-01-30 Qualcomm Incorporated Transformed higher order ambisonics audio data
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
EP3874492B1 (en) 2018-10-31 2023-12-06 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
US11538489B2 (en) 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US11361776B2 (en) 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components
US12142285B2 (en) * 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
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 (29)

* 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
JP3024455B2 (ja) * 1992-09-29 2000-03-21 三菱電機株式会社 音声符号化装置及び音声復号化装置
JP3371590B2 (ja) * 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
JP3191257B2 (ja) * 1995-07-27 2001-07-23 日本ビクター株式会社 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
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
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
EP1466320B1 (en) 2001-11-30 2007-02-07 Koninklijke Philips Electronics N.V. Signal coding
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
ES2300567T3 (es) 2002-04-22 2008-06-16 Koninklijke Philips Electronics N.V. Representacion parametrica de audio espacial.
CN1669358A (zh) * 2002-07-16 2005-09-14 皇家飞利浦电子股份有限公司 音频编码
WO2005004113A1 (ja) 2003-06-30 2005-01-13 Fujitsu Limited 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
JP2007509363A (ja) * 2003-10-13 2007-04-12 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 オーディオ符号化方法及び装置
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
WO2006111294A1 (en) * 2005-04-19 2006-10-26 Coding Technologies Ab Energy dependent quantization for efficient coding of spatial audio parameters

Similar Documents

Publication Publication Date Title
JP2009518659A5 (enExample)
US7974840B2 (en) Method and apparatus for encoding/decoding MPEG-4 BSAC audio bitstream having ancillary information
JP2009510514A5 (enExample)
KR20100007256A (ko) 멀티 채널 부호화 및 복호화 방법 및 장치
TW200746052A (en) Apparatus and method for encoding and decoding signal
RU2012105022A (ru) Способ и устройство для кодирования видео, и способ и устройство для декодирования видео
CA2637722A1 (en) Apparatus and method for encoding/decoding signal
JP2013513333A5 (enExample)
RU2017137313A (ru) Устройство и способ обработки изображений
WO2006007279A3 (en) Method and apparatus for video codec quantization
RU2012105018A (ru) Устройство и способ кодирования видео и устройство и способ декодирования видео, основанные на иерархической информации о структуре кодированного блока
JP2009527789A5 (enExample)
IL227701A (en) Audio decoder and decoding method that uses efficient mixing
JP2013502150A5 (enExample)
JP2005531014A5 (enExample)
JP2006011456A (ja) 低ビット率符号化/復号化方法及び装置並びにコンピュータ可読媒体
ATE528750T1 (de) Kodierungsvorrichtung und -verfahren
RU2015135352A (ru) Способ и устройство для арифметического кодирования или арифметического декодирования
CN101206861A (zh) 数字音乐作品认证信息的嵌入方法及该作品的认证方法
Luo et al. Compression history identification for digital audio signal
JP2007507789A5 (enExample)
EP0899886A3 (en) High quality audio encoding/decoding apparatus
CN104700840B (zh) 用于音频编码/解码/转码的频率域中水印插入
WO2009047833A1 (ja) 電子透かし埋め込み方法、電子透かし埋め込み装置、プログラムおよびコンピューター読み取り可能な記録媒体
KR20060084497A (ko) 디지털 신호 부호화/복호화 방법 및 장치