[go: up one dir, main page]

MX2009009651A - Un metodo y un aparato para procesar una señal de audio. - Google Patents

Un metodo y un aparato para procesar una señal de audio.

Info

Publication number
MX2009009651A
MX2009009651A MX2009009651A MX2009009651A MX2009009651A MX 2009009651 A MX2009009651 A MX 2009009651A MX 2009009651 A MX2009009651 A MX 2009009651A MX 2009009651 A MX2009009651 A MX 2009009651A MX 2009009651 A MX2009009651 A MX 2009009651A
Authority
MX
Mexico
Prior art keywords
information
processing
preset information
preset
audio signal
Prior art date
Application number
MX2009009651A
Other languages
English (en)
Inventor
Christof Faller
Yang Won Jung
Hyen O Oh
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 MX2009009651A publication Critical patent/MX2009009651A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • 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
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

Se describe un método de procesamiento de una señal de audio. La presente invención comprende recibir una señal de mezclado descendente, la información del objeto y la información presente, generar la información de procesamiento de mezclado descendente usando la información del objeto y la información presente, procesar la señal de mezclado descendente usando la información de procesamiento descendente, y generar la información de canales múltiples usando la información del objeto y la información presente, en donde la presente información se extrae de un flujo de bitios. De conformidad, una ganancia y traslación panorámica de un objeto se puede controlar fácilmente sin el ajuste del usuario para cada objeto usando la presente información ajustada previamente. Y una ganancia y traslación panorámica de un objeto se puede controlar usando la información presente modificada, basada en una selección hecha por un usuario.
MX2009009651A 2007-03-09 2008-03-07 Un metodo y un aparato para procesar una señal de audio. MX2009009651A (es)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US89416207P 2007-03-09 2007-03-09
US94296707P 2007-06-08 2007-06-08
US94326807P 2007-06-11 2007-06-11
KR1020080021121A KR20080082917A (ko) 2007-03-09 2008-03-06 오디오 신호 처리 방법 및 이의 장치
KR1020080021120A KR20080082916A (ko) 2007-03-09 2008-03-06 오디오 신호 처리 방법 및 이의 장치
PCT/KR2008/001312 WO2008111770A1 (en) 2007-03-09 2008-03-07 A method and an apparatus for processing an audio signal

Publications (1)

Publication Number Publication Date
MX2009009651A true MX2009009651A (es) 2009-10-12

Family

ID=40022030

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009009651A MX2009009651A (es) 2007-03-09 2008-03-07 Un metodo y un aparato para procesar una señal de audio.

Country Status (11)

Country Link
US (2) US8594817B2 (es)
EP (1) EP2140450B1 (es)
JP (1) JP5001384B2 (es)
KR (2) KR20080082917A (es)
CN (1) CN101675471B (es)
AT (1) ATE519197T1 (es)
AU (1) AU2008225321B2 (es)
BR (1) BRPI0808654A2 (es)
CA (1) CA2680328C (es)
MX (1) MX2009009651A (es)
WO (2) WO2008111771A1 (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7873917B2 (en) * 2005-11-11 2011-01-18 Apple Inc. Locking relationships among parameters in computer programs
CN102768836B (zh) * 2006-09-29 2014-11-05 韩国电子通信研究院 用于编码和解码具有各种声道的多对象音频信号的设备和方法
US20100283536A1 (en) * 2008-01-11 2010-11-11 Nec Corporation System, apparatus, method and program for signal analysis control, signal analysis and signal control
KR101461685B1 (ko) 2008-03-31 2014-11-19 한국전자통신연구원 다객체 오디오 신호의 부가정보 비트스트림 생성 방법 및 장치
KR101596504B1 (ko) * 2008-04-23 2016-02-23 한국전자통신연구원 객체기반 오디오 컨텐츠의 생성/재생 방법 및 객체기반 오디오 서비스를 위한 파일 포맷 구조를 가진 데이터를 기록한 컴퓨터 판독 가능 기록 매체
WO2010008198A2 (en) 2008-07-15 2010-01-21 Lg Electronics Inc. A method and an apparatus for processing an audio signal
EP2146341B1 (en) * 2008-07-15 2013-09-11 LG Electronics Inc. A method and an apparatus for processing an audio signal
RU2498526C2 (ru) * 2008-12-11 2013-11-10 Фраунхофер-Гезелльшафт цур Фердерунг дер ангевандтен Устройство для генерирования многоканального звукового сигнала
KR101129974B1 (ko) 2008-12-22 2012-03-28 (주)오디즌 객체 기반 오디오 컨텐츠 생성/재생 방법 및 그 장치
US8620008B2 (en) * 2009-01-20 2013-12-31 Lg Electronics Inc. Method and an apparatus for processing an audio signal
US20100324915A1 (en) * 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
WO2011083979A2 (en) * 2010-01-06 2011-07-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
US8862254B2 (en) 2011-01-13 2014-10-14 Apple Inc. Background audio processing
US8842842B2 (en) 2011-02-01 2014-09-23 Apple Inc. Detection of audio channel configuration
US9420394B2 (en) 2011-02-16 2016-08-16 Apple Inc. Panning presets
US8887074B2 (en) 2011-02-16 2014-11-11 Apple Inc. Rigging parameters to create effects and animation
US8965774B2 (en) 2011-08-23 2015-02-24 Apple Inc. Automatic detection of audio compression parameters
US9761229B2 (en) 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9479886B2 (en) * 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
EP2757559A1 (en) * 2013-01-22 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for spatial audio object coding employing hidden objects for signal mixture manipulation
US9497560B2 (en) 2013-03-13 2016-11-15 Panasonic Intellectual Property Management Co., Ltd. Audio reproducing apparatus and method
CN105247611B (zh) 2013-05-24 2019-02-15 杜比国际公司 对音频场景的编码
EP3270375B1 (en) 2013-05-24 2020-01-15 Dolby International AB Reconstruction of audio scenes from a downmix
EP2830050A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
EP2830049A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient object metadata coding
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
CN105992120B (zh) * 2015-02-09 2019-12-31 杜比实验室特许公司 音频信号的上混音
CA3131960A1 (en) 2015-06-17 2016-12-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Loudness control for user interactivity in audio coding systems
US10027994B2 (en) * 2016-03-23 2018-07-17 Dts, Inc. Interactive audio metadata handling
WO2021099363A2 (en) 2019-11-20 2021-05-27 Dolby International Ab Methods and devices for personalizing audio content
MX2023003965A (es) 2020-10-09 2023-05-25 Fraunhofer Ges Forschung Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una extension de ancho de banda.
EP4226367A2 (en) 2020-10-09 2023-08-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing

Family Cites Families (51)

* 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
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
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
GB9708893D0 (en) * 1997-05-02 1997-06-25 Cerestar Holding Bv Method for the production of isomalto-oligosaccharide rich syrups
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
US6952677B1 (en) * 1998-04-15 2005-10-04 Stmicroelectronics Asia Pacific Pte Limited Fast frame optimization in an audio encoder
JP2000114950A (ja) * 1998-10-07 2000-04-21 Murata Mfg Co Ltd Ｓｐｓｔスイッチおよびｓｐｄｔスイッチおよびそれを用いた通信機
US7103187B1 (en) * 1999-03-30 2006-09-05 Lsi Logic Corporation Audio calibration system
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
JP2005512434A (ja) 2001-12-05 2005-04-28 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 ステレオ信号をエンハンスする回路および方法
ATE377339T1 (de) 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv 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
EP1611772A1 (en) * 2003-03-04 2006-01-04 Nokia Corporation Support of a multichannel audio extension
TW591513B (en) * 2003-03-05 2004-06-11 Via Tech Inc 2D graphic acceleration system and method
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
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
WO2006022124A1 (ja) 2004-08-27 2006-03-02 Matsushita Electric Industrial Co., Ltd. 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
EP1899958B1 (en) 2005-05-26 2013-08-07 LG Electronics Inc. Method and apparatus for decoding an audio signal
CA2613731C (en) 2005-06-30 2012-09-18 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
RU2414741C2 (ru) 2005-07-29 2011-03-20 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ создания многоканального сигнала
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
JP5111374B2 (ja) * 2005-08-30 2013-01-09 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
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
CN102768836B (zh) * 2006-09-29 2014-11-05 韩国电子通信研究院 用于编码和解码具有各种声道的多对象音频信号的设备和方法
ATE539434T1 (de) * 2006-10-16 2012-01-15 Fraunhofer Ges Forschung Vorrichtung und verfahren für mehrkanalparameterumwandlung
UA94117C2 (ru) * 2006-10-16 2011-04-11 Долби Свиден Ав Усовершенстованное кодирование и отображение параметров многоканального кодирования микшированных объектов
KR101100223B1 (ko) 2006-12-07 2011-12-28 엘지전자 주식회사 오디오 처리 방법 및 장치
KR101569032B1 (ko) 2007-09-06 2015-11-13 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
EP2083584B1 (en) 2008-01-23 2010-09-15 LG Electronics Inc. A method and an apparatus for processing an audio signal

Also Published As

Publication number Publication date
CN101675471A (zh) 2010-03-17
CA2680328A1 (en) 2008-09-18
EP2140450A1 (en) 2010-01-06
JP5001384B2 (ja) 2012-08-15
WO2008111770A1 (en) 2008-09-18
JP2010521115A (ja) 2010-06-17
US20100189266A1 (en) 2010-07-29
AU2008225321B2 (en) 2010-11-18
EP2140450A4 (en) 2010-03-17
US8594817B2 (en) 2013-11-26
WO2008111771A1 (en) 2008-09-18
ATE519197T1 (de) 2011-08-15
EP2140450B1 (en) 2011-08-03
KR20080082916A (ko) 2008-09-12
BRPI0808654A2 (pt) 2014-08-19
KR20080082917A (ko) 2008-09-12
US20100106270A1 (en) 2010-04-29
AU2008225321A1 (en) 2008-09-18
CA2680328C (en) 2015-07-21
US8359113B2 (en) 2013-01-22
CN101675471B (zh) 2014-05-14

Similar Documents

Publication Publication Date Title
EP2140450A4 (en) METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL
MX2009005969A (es) Un metodo y aparato para procesar una señal de audio.
MX2008013073A (es) Metodos y aparatos para codificar y decodificar señales de audio basadas en objeto.
WO2009093867A3 (en) A method and an apparatus for processing audio signal
WO2006126844A3 (en) Method and apparatus for decoding an audio signal
MX2009005699A (es) Sistema y metodo para el procesamiento de señales digitales.
MX2010007997A (es) Un metodo y un aparato para el procesamiento de señales de audio.
IL180712A0 (en) Combining audio signals using auditory scene analysis
MX364461B (es) Método y dispositivo para lograr el registro de audio objetivo y aparato electrónico.
TW200731833A (en) Method and apparatus for processing a media signal
PL1997102T3 (pl) Urządzenie i sposób do generowania sygnału otoczenia z sygnału audio, urządzenie i sposób do uzyskiwania wielokanałowego sygnału audio z sygnału audio i program komputerowy
PL2425427T3 (pl) Urządzenie do dostarczania jednego lub większej liczby dopasowanych parametrów do zapewnienia reprezentacji sygnału upmixu w oparciu o reprezentację sygnału downmixu, dekoder sygnału audio, transkoder sygnału audio, sposób i program komputerowy z użyciem obiektowej informacji parametrycznej
TW200644704A (en) Device and method for generating a data stream and for generating a multi-channel representation
MY141404A (en) Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
MY144273A (en) Apparatus and method for multi-chennel parameter transformation
DE502006006444D1 (de) Vorrichtung und verfahren zum erzeugen eines codietenstroms
EP2369836A3 (en) Object-based 3-dimensional audio service system using preset audio scenes
TW200729706A (en) Method and audio system for controlling a gain of a voice signal
WO2004058059A3 (en) Audio reproduction apparatus, feedback system and method
WO2011083981A3 (en) An apparatus for processing an audio signal and method thereof
WO2010064877A3 (en) A method and an apparatus for processing an audio signal
GB2485510A (en) System and method for modifying an audio signal
EP4576073A3 (en) Time-domain stereo encoding and decoding method and related product
ATE408218T1 (de) Verfahren und vorrichtung zur kodierung von tonsignalen
ATE554479T1 (de) Vorrichtung und verfahren zum übertragen oder wiederabspielen eines mehrkanal-audiosignals

Legal Events

Date Code Title Description
HH Correction or change in general
FG Grant or registration