JP6061121B2 - オーディオ符号化装置、オーディオ符号化方法、およびプログラム - Google Patents

オーディオ符号化装置、オーディオ符号化方法、およびプログラム Download PDF

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JP6061121B2
JP6061121B2 JP2011230330A JP2011230330A JP6061121B2 JP 6061121 B2 JP6061121 B2 JP 6061121B2 JP 2011230330 A JP2011230330 A JP 2011230330A JP 2011230330 A JP2011230330 A JP 2011230330A JP 6061121 B2 JP6061121 B2 JP 6061121B2
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frequency spectrum
mixing
channel
unit
frequency
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Japanese (ja)
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JP2013033189A5 (enExample
JP2013033189A (ja
Inventor
戸栗　康裕
康裕 戸栗
前田　祐児
祐児 前田
松本　淳
淳 松本
鈴木　志朗
志朗 鈴木
松村　祐樹
祐樹 松村
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Sony Corp
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Sony Corp
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Priority to JP2011230330A priority Critical patent/JP6061121B2/ja
Priority to US13/493,850 priority patent/US9672832B2/en
Priority to CN201210212498.9A priority patent/CN102855876B/zh
Publication of JP2013033189A publication Critical patent/JP2013033189A/ja
Publication of JP2013033189A5 publication Critical patent/JP2013033189A5/ja
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/09—Electronic reduction of distortion of stereophonic sound systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (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)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2011230330A 2011-07-01 2011-10-20 オーディオ符号化装置、オーディオ符号化方法、およびプログラム Active JP6061121B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011230330A JP6061121B2 (ja) 2011-07-01 2011-10-20 オーディオ符号化装置、オーディオ符号化方法、およびプログラム
US13/493,850 US9672832B2 (en) 2011-07-01 2012-06-11 Audio encoder, audio encoding method and program
CN201210212498.9A CN102855876B (zh) 2011-07-01 2012-06-21 音频编码器和音频编码方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011147421 2011-07-01
JP2011147421 2011-07-01
JP2011230330A JP6061121B2 (ja) 2011-07-01 2011-10-20 オーディオ符号化装置、オーディオ符号化方法、およびプログラム

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JP2013033189A JP2013033189A (ja) 2013-02-14
JP2013033189A5 JP2013033189A5 (enExample) 2014-11-20
JP6061121B2 true JP6061121B2 (ja) 2017-01-18

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US (1) US9672832B2 (enExample)
JP (1) JP6061121B2 (enExample)
CN (1) CN102855876B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2555579T3 (es) 2012-04-05 2016-01-05 Huawei Technologies Co., Ltd Codificador de audio multicanal y método para codificar una señal de audio multicanal
CN105321521B (zh) * 2014-06-30 2019-06-04 美的集团股份有限公司 基于终端运行环境的音频信号编码方法和系统
WO2016184958A1 (en) * 2015-05-20 2016-11-24 Telefonaktiebolaget Lm Ericsson (Publ) Coding of multi-channel audio signals
CN108269577B (zh) 2016-12-30 2019-10-22 华为技术有限公司 立体声编码方法及立体声编码器
US10904690B1 (en) * 2019-12-15 2021-01-26 Nuvoton Technology Corporation Energy and phase correlated audio channels mixer
EP4120249B1 (en) * 2020-03-09 2024-12-11 Nippon Telegraph And Telephone Corporation Sound signal encoding method, sound signal decoding method, sound signal encoding device, sound signal decoding device, program, and recording medium
BR112023003311A2 (pt) * 2020-09-09 2023-03-21 Voiceage Corp Método e dispositivo para classificação de conteúdo estéreo não correlacionado, detecção de diafonia e seleção do modo estéreo em um codec de som
JPWO2024142357A1 (enExample) * 2022-12-28 2024-07-04
JPWO2024142359A1 (enExample) * 2022-12-28 2024-07-04
JPWO2024142360A1 (enExample) * 2022-12-28 2024-07-04
WO2024142358A1 (ja) * 2022-12-28 2024-07-04 日本電信電話株式会社 音信号処理装置、音信号処理方法、プログラム

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2612214B2 (ja) * 1990-11-21 1997-05-21 日本電気システム建設 株式会社 ８ｃｈオートミキサ
DE4136825C1 (enExample) 1991-11-08 1993-03-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
DE19628292B4 (de) * 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
JPH1132399A (ja) * 1997-05-13 1999-02-02 Sony Corp 符号化方法及び装置、並びに記録媒体
JP3951690B2 (ja) * 2000-12-14 2007-08-01 ソニー株式会社 符号化装置および方法、並びに記録媒体
JP3598993B2 (ja) * 2001-05-18 2004-12-08 ソニー株式会社 符号化装置及び方法
JP2004325633A (ja) * 2003-04-23 2004-11-18 Matsushita Electric Ind Co Ltd 信号符号化方法、信号符号化プログラム及びその記録媒体
RU2007120056A (ru) * 2004-11-30 2008-12-10 Мацусита Электрик Индастриал Ко. Устройство стереокодирования, устройство стереодекодирования и способы стереокодирования и стереодекодирования
JP2006287716A (ja) * 2005-04-01 2006-10-19 Tamura Seisakusho Co Ltd 音声調整装置
WO2007010771A1 (ja) * 2005-07-15 2007-01-25 Matsushita Electric Industrial Co., Ltd. 信号処理装置
JP4997781B2 (ja) * 2006-02-14 2012-08-08 沖電気工業株式会社 ミックスダウン方法およびミックスダウン装置
US8295494B2 (en) * 2007-08-13 2012-10-23 Lg Electronics Inc. Enhancing audio with remixing capability

Also Published As

Publication number Publication date
US20130003980A1 (en) 2013-01-03
CN102855876B (zh) 2017-04-12
US9672832B2 (en) 2017-06-06
JP2013033189A (ja) 2013-02-14
CN102855876A (zh) 2013-01-02

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