BRPI0816669A2 - Método e um aparelho de decodificação de um sinal de áudio - Google Patents

Método e um aparelho de decodificação de um sinal de áudio

Info

Publication number
BRPI0816669A2
BRPI0816669A2 BRPI0816669A BRPI0816669A2 BR PI0816669 A2 BRPI0816669 A2 BR PI0816669A2 BR PI0816669 A BRPI0816669 A BR PI0816669A BR PI0816669 A2 BRPI0816669 A2 BR PI0816669A2
Authority
BR
Brazil
Prior art keywords
decoding
audio signal
audio
signal
Prior art date
Application number
Other languages
English (en)
Inventor
Hyun O Oh
Yang Won Jung
Myung Hoon Lee
Christof Faller
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
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of BRPI0816669A2 publication Critical patent/BRPI0816669A2/pt

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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272—Voice signal separating
    • 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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
BRPI0816669 2007-09-06 2008-09-08 Método e um aparelho de decodificação de um sinal de áudio BRPI0816669A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US97052407P 2007-09-06 2007-09-06
US98471307P 2007-11-01 2007-11-01
US7876108P 2008-07-07 2008-07-07
PCT/KR2008/005291 WO2009031870A1 (en) 2007-09-06 2008-09-08 A method and an apparatus of decoding an audio signal

Publications (1)

Publication Number Publication Date
BRPI0816669A2 true BRPI0816669A2 (pt) 2015-03-17

Family

ID=40429078

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0816669 BRPI0816669A2 (pt) 2007-09-06 2008-09-08 Método e um aparelho de decodificação de um sinal de áudio

Country Status (10)

Country Link
US (2) US8532306B2 (pt)
EP (2) EP2191462A4 (pt)
JP (2) JP2010538571A (pt)
KR (2) KR101572894B1 (pt)
CN (2) CN101828219B (pt)
AU (1) AU2008295723B2 (pt)
BR (1) BRPI0816669A2 (pt)
CA (1) CA2699004C (pt)
MX (1) MX2010002572A (pt)
WO (2) WO2009031871A2 (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE526663T1 (de) 2007-03-09 2011-10-15 Lg Electronics Inc Verfahren und vorrichtung zum verarbeiten eines audiosignals
KR20080082916A (ko) 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
EP2191462A4 (en) 2007-09-06 2010-08-18 Lg Electronics Inc METHOD AND DEVICE FOR DECODING A SOUND SIGNAL
CN102265643B (zh) * 2008-12-23 2014-11-19 皇家飞利浦电子股份有限公司 语音再现设备、方法及系统
KR101196410B1 (ko) * 2009-07-07 2012-11-01 삼성전자주식회사 Ｔｖ 설치타입에 기초한 자동 환경 설정방법 및 이를 적용한 ｔｖ
JP5307770B2 (ja) * 2010-07-09 2013-10-02 シャープ株式会社 音声信号処理装置、方法、プログラム、及び記録媒体
TW202405797A (zh) 2010-12-03 2024-02-01 美商杜比實驗室特許公司 音頻解碼裝置、音頻解碼方法及音頻編碼方法
US9253574B2 (en) * 2011-09-13 2016-02-02 Dts, Inc. Direct-diffuse decomposition
JP2015529415A (ja) * 2012-08-16 2015-10-05 タートル ビーチ コーポレーション 多次元的パラメトリック音声のシステムおよび方法
JP6186436B2 (ja) * 2012-08-31 2017-08-23 ドルビー ラボラトリーズ ライセンシング コーポレイション 個々に指定可能なドライバへの上方混合されたコンテンツの反射されたおよび直接的なレンダリング
US9826328B2 (en) * 2012-08-31 2017-11-21 Dolby Laboratories Licensing Corporation System for rendering and playback of object based audio in various listening environments
WO2014141577A1 (ja) 2013-03-13 2014-09-18 パナソニック株式会社 オーディオ再生装置およびオーディオ再生方法
EP2878515B1 (en) 2013-11-29 2017-03-08 Harman Becker Automotive Systems GmbH Generating an audio signal with a configurable distance cue
US10468036B2 (en) * 2014-04-30 2019-11-05 Accusonus, Inc. Methods and systems for processing and mixing signals using signal decomposition
JP6463955B2 (ja) * 2014-11-26 2019-02-06 日本放送協会 三次元音響再生装置及びプログラム
CN105898667A (zh) 2014-12-22 2016-08-24 杜比实验室特许公司 从音频内容基于投影提取音频对象
WO2019035622A1 (ko) * 2017-08-17 2019-02-21 가우디오디오랩 주식회사 앰비소닉 신호를 사용하는 오디오 신호 처리 방법 및 장치
CN109036456B (zh) * 2018-09-19 2022-10-14 电子科技大学 用于立体声的源分量环境分量提取方法
CN109640242B (zh) * 2018-12-11 2020-05-12 电子科技大学 音频源分量及环境分量提取方法
CN114402631B (zh) * 2019-05-15 2024-05-31 苹果公司 用于回放捕获的声音的方法和电子设备
CN113518299B (zh) * 2021-04-30 2022-06-03 电子科技大学 一种改进的源分量及环境分量提取方法、设备及计算机可读存储介质
CN113194400B (zh) * 2021-07-05 2021-08-27 广州酷狗计算机科技有限公司 音频信号的处理方法、装置、设备及存储介质

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783192A (en) * 1971-12-30 1974-01-01 Sansui Electric Co Decoder for use in matrix four-channel system
JPS5192101U (pt) * 1975-01-23 1976-07-23
JPS5192101A (en) 1975-02-10 1976-08-12 Jidodochojushinki ni okeru shuhasuhojikairo
US4251688A (en) * 1979-01-15 1981-02-17 Ana Maria Furner Audio-digital processing system for demultiplexing stereophonic/quadriphonic input audio signals into 4-to-72 output audio signals
JPH03163997A (ja) 1989-11-21 1991-07-15 Mitsubishi Electric Corp 多チャンネル音声信号再生装置
US6026167A (en) * 1994-06-10 2000-02-15 Sun Microsystems, Inc. Method and apparatus for sending secure datagram multicasts
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
JP2993418B2 (ja) 1996-01-19 1999-12-20 ヤマハ株式会社 音場効果装置
DE19646055A1 (de) 1996-11-07 1998-05-14 Thomson Brandt Gmbh Verfahren und Vorrichtung zur Abbildung von Schallquellen auf Lautsprecher
US6026168A (en) * 1997-11-14 2000-02-15 Microtek Lab, Inc. Methods and apparatus for automatically synchronizing and regulating volume in audio component systems
JP3743640B2 (ja) 1997-11-28 2006-02-08 日本ビクター株式会社 オーディオディスク及びオーディオ信号のデコード装置
EP1072036B1 (en) * 1998-04-15 2004-09-22 STMicroelectronics Asia Pacific Pte Ltd. Fast frame optimisation in an audio encoder
US7103187B1 (en) * 1999-03-30 2006-09-05 Lsi Logic Corporation Audio calibration system
SE514214C2 (sv) * 1999-05-28 2001-01-22 Sca Hygiene Prod Ab Absorberande alster med förbättrad vätskehanteringsförmåga
JP3307375B2 (ja) * 1999-10-04 2002-07-24 日本電気株式会社 半導体装置の製造方法
JP4277151B2 (ja) * 2000-01-31 2009-06-10 ソニー株式会社 全地球測位システムの受信装置及び復調処理制御方法
EP1134724B1 (en) 2000-03-17 2008-07-23 Sony France S.A. Real time audio spatialisation system with high level control
WO2002007481A2 (en) * 2000-07-19 2002-01-24 Koninklijke Philips Electronics N.V. Multi-channel stereo converter for deriving a stereo surround and/or audio centre signal
JP4775529B2 (ja) * 2000-12-15 2011-09-21 オンキヨー株式会社 遊戯機
US7095455B2 (en) * 2001-03-21 2006-08-22 Harman International Industries, Inc. Method for automatically adjusting the sound and visual parameters of a home theatre system
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
KR20040068194A (ko) 2001-12-05 2004-07-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호를 강화하기 위한 회로 및 방법
DE60317203T2 (de) 2002-07-12 2008-08-07 Koninklijke Philips Electronics N.V. Audio-kodierung
EP1427252A1 (en) 2002-12-02 2004-06-09 Deutsche Thomson-Brandt Gmbh Method and apparatus for processing audio signals from a bitstream
JP2004193877A (ja) 2002-12-10 2004-07-08 Sony Corp 音像定位信号処理装置および音像定位信号処理方法
CN1748443B (zh) * 2003-03-04 2010-09-22 诺基亚有限公司 多声道音频扩展支持
JP4124702B2 (ja) 2003-06-11 2008-07-23 日本放送協会 立体音響信号符号化装置、立体音響信号符号化方法および立体音響信号符号化プログラム
US7257372B2 (en) * 2003-09-30 2007-08-14 Sony Ericsson Mobile Communications Ab Bluetooth enabled hearing aid
US6937737B2 (en) * 2003-10-27 2005-08-30 Britannia Investment Corporation Multi-channel audio surround sound from front located loudspeakers
JP2005286828A (ja) 2004-03-30 2005-10-13 Victor Co Of Japan Ltd オーディオ再生装置
US7490044B2 (en) 2004-06-08 2009-02-10 Bose Corporation Audio signal processing
JP2006003580A (ja) 2004-06-17 2006-01-05 Matsushita Electric Ind Co Ltd オーディオ信号符号化装置及びオーディオ信号符号化方法
JP4936894B2 (ja) 2004-08-27 2012-05-23 パナソニック株式会社 オーディオデコーダ、方法及びプログラム
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7903824B2 (en) 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
JP2006211206A (ja) 2005-01-27 2006-08-10 Yamaha Corp サラウンドシステム
JP4414905B2 (ja) * 2005-02-03 2010-02-17 アルパイン株式会社 オーディオ装置
EP1691348A1 (en) 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
JP4935091B2 (ja) * 2005-05-13 2012-05-23 ソニー株式会社 音響再生方法および音響再生システム
JP4711743B2 (ja) 2005-05-26 2011-06-29 Ｎｔｎ株式会社 軸継手
JP4988716B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
EP1905002B1 (en) 2005-05-26 2013-05-22 LG Electronics Inc. Method and apparatus for decoding audio signal
US8073702B2 (en) 2005-06-30 2011-12-06 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP2007008715A (ja) 2005-07-04 2007-01-18 Fujifilm Holdings Corp 平版刷版の自動供給装置
JP4778737B2 (ja) 2005-07-05 2011-09-21 昭和電工株式会社 圧力容器
KR100888970B1 (ko) * 2005-07-29 2009-03-17 엘지전자 주식회사 인코딩된 오디오 신호 생성 및 처리 방법
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
JP2007058930A (ja) 2005-08-22 2007-03-08 Funai Electric Co Ltd ディスク再生装置
JP4402632B2 (ja) 2005-08-29 2010-01-20 アルパイン株式会社 オーディオ装置
WO2007027051A1 (en) 2005-08-30 2007-03-08 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
WO2007034806A1 (ja) 2005-09-22 2007-03-29 Pioneer Corporation 信号処理装置、信号処理方法、信号処理プログラムおよびコンピュータに読み取り可能な記録媒体
KR100754220B1 (ko) * 2006-03-07 2007-09-03 삼성전자주식회사 Ｍｐｅｇ 서라운드를 위한 바이노럴 디코더 및 그 디코딩방법
EP2575130A1 (en) * 2006-09-29 2013-04-03 Electronics and Telecommunications Research Institute Apparatus and method for coding and decoding multi-object audio signal with various channel
CN101529504B (zh) * 2006-10-16 2012-08-22 弗劳恩霍夫应用研究促进协会 多通道参数转换的装置和方法
CA2874451C (en) 2006-10-16 2016-09-06 Dolby International Ab Enhanced coding and parameter representation of multichannel downmixed object coding
KR101111520B1 (ko) 2006-12-07 2012-05-24 엘지전자 주식회사 오디오 처리 방법 및 장치
WO2008089593A1 (fr) 2007-01-18 2008-07-31 Standard Chem. & Pharm. Co., Ltd. Preparation de tamsulosine a liberation prolongee et procede de production associe
EP2191462A4 (en) 2007-09-06 2010-08-18 Lg Electronics Inc METHOD AND DEVICE FOR DECODING A SOUND SIGNAL
US8615088B2 (en) 2008-01-23 2013-12-24 Lg Electronics Inc. Method and an apparatus for processing an audio signal using preset matrix for controlling gain or panning

Also Published As

Publication number Publication date
EP2191462A4 (en) 2010-08-18
WO2009031870A1 (en) 2009-03-12
JP2010538571A (ja) 2010-12-09
EP2191462A2 (en) 2010-06-02
KR101569032B1 (ko) 2015-11-13
MX2010002572A (es) 2010-05-19
US20100250259A1 (en) 2010-09-30
CA2699004C (en) 2014-02-11
JP2010538572A (ja) 2010-12-09
CN101828219A (zh) 2010-09-08
US8422688B2 (en) 2013-04-16
EP2191463A1 (en) 2010-06-02
CA2699004A1 (en) 2009-03-12
AU2008295723B2 (en) 2011-03-24
CN101828219B (zh) 2012-05-09
KR20100063092A (ko) 2010-06-10
US20100241438A1 (en) 2010-09-23
EP2191463A4 (en) 2010-09-01
WO2009031871A3 (en) 2009-04-30
KR101572894B1 (ko) 2015-11-30
US8532306B2 (en) 2013-09-10
EP2191463B1 (en) 2016-01-13
WO2009031871A2 (en) 2009-03-12
KR20100081300A (ko) 2010-07-14
AU2008295723A1 (en) 2009-03-12
CN101836249B (zh) 2012-11-28
CN101836249A (zh) 2010-09-15

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]