CN102855876B - 音频编码器和音频编码方法 - Google Patents

音频编码器和音频编码方法 Download PDF

Info

Publication number
CN102855876B
CN102855876B CN201210212498.9A CN201210212498A CN102855876B CN 102855876 B CN102855876 B CN 102855876B CN 201210212498 A CN201210212498 A CN 201210212498A CN 102855876 B CN102855876 B CN 102855876B
Authority
CN
China
Prior art keywords
spectrum
section
frequency
sound channel
blending ratio
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.)
Active
Application number
CN201210212498.9A
Other languages
English (en)
Chinese (zh)
Other versions
CN102855876A (zh
Inventor
户栗康裕
前田祐儿
松本淳
铃木志朗
松村祐树
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN102855876A publication Critical patent/CN102855876A/zh
Application granted granted Critical
Publication of CN102855876B publication Critical patent/CN102855876B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • G10L19/008—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

Landscapes

  • 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)
CN201210212498.9A 2011-07-01 2012-06-21 音频编码器和音频编码方法 Active CN102855876B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2011-147421 2011-07-01
JP2011147421 2011-07-01
JP2011-230330 2011-10-20
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

Publications (2)

Publication Number Publication Date
CN102855876A CN102855876A (zh) 2013-01-02
CN102855876B true CN102855876B (zh) 2017-04-12

Family

ID=47390722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210212498.9A Active CN102855876B (zh) 2011-07-01 2012-06-21 音频编码器和音频编码方法

Country Status (3)

Country Link
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101223820A (zh) * 2005-07-15 2008-07-16 松下电器产业株式会社 信号处理装置

Family Cites Families (11)

* 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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101223820A (zh) * 2005-07-15 2008-07-16 松下电器产业株式会社 信号处理装置

Also Published As

Publication number Publication date
US20130003980A1 (en) 2013-01-03
US9672832B2 (en) 2017-06-06
JP6061121B2 (ja) 2017-01-18
JP2013033189A (ja) 2013-02-14
CN102855876A (zh) 2013-01-02

Similar Documents

Publication Publication Date Title
CN102855876B (zh) 音频编码器和音频编码方法
RU2526745C2 (ru) Низведение параметров последовательности битов sbr
KR100913987B1 (ko) 다중-채널 출력 신호를 발생시키기 위한 다중-채널합성장치 및 방법
AU2007208482B2 (en) Complex-transform channel coding with extended-band frequency coding
TWI397903B (zh) 編碼音訊之節約音量測量技術
JP6334602B2 (ja) 高周波オーディオ内容の効率的な復元のための方法およびシステム
JP5485909B2 (ja) オーディオ信号処理方法及び装置
JP6789365B2 (ja) 音声符号化装置および方法
CN105493182B (zh) 混合波形编码和参数编码语音增强
CN116994592A (zh) 使用相位补偿对多声道信号进行下混合或上混合的装置和方法
US8831960B2 (en) Audio encoding device, audio encoding method, and computer-readable recording medium storing audio encoding computer program for encoding audio using a weighted residual signal
EP2750131A1 (en) Encoding device and method, decoding device and method, and program
US20100080397A1 (en) Audio decoding method and apparatus
JPWO2006075563A1 (ja) オーディオ符号化装置、オーディオ符号化方法およびオーディオ符号化プログラム
US20080071541A1 (en) Audio signal interpolation method and device
US6614365B2 (en) Coding device and method, decoding device and method, and recording medium
CN102483923B (zh) 音频编码中基于频带信号能量的频带比例因子确定
US9076440B2 (en) Audio signal encoding device, method, and medium by correcting allowable error powers for a tonal frequency spectrum
US20130226598A1 (en) Audio encoder or decoder apparatus
TWI438770B (zh) 使用通道間及時間冗餘減少之音訊信號編碼
KR20160120713A (ko) 복호 장치, 부호화 장치, 복호 방법, 부호화 방법, 단말 장치, 및 기지국 장치
US6577995B1 (en) Apparatus for quantizing phase of speech signal using perceptual weighting function and method therefor
US20080059203A1 (en) Audio Encoding Device, Decoding Device, Method, and Program
CN113544774A (zh) 降混器及降混方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant