MX2007011915A - Codificacion de audio multicanal. - Google Patents

Codificacion de audio multicanal.

Info

Publication number
MX2007011915A
MX2007011915A MX2007011915A MX2007011915A MX2007011915A MX 2007011915 A MX2007011915 A MX 2007011915A MX 2007011915 A MX2007011915 A MX 2007011915A MX 2007011915 A MX2007011915 A MX 2007011915A MX 2007011915 A MX2007011915 A MX 2007011915A
Authority
MX
Mexico
Prior art keywords
audio signals
parametric data
audio
additional
signals
Prior art date
Application number
MX2007011915A
Other languages
English (en)
Spanish (es)
Inventor
Albertus C Den Brinker
Gerard H Hotho
Erik G P Schuijers
Dirk J Breebaart
Heiko Purnhagen
Karl J Roden
Lars F Villemoes
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of MX2007011915A publication Critical patent/MX2007011915A/es

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
    • 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
    • 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
MX2007011915A 2005-03-30 2006-03-16 Codificacion de audio multicanal. MX2007011915A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05102515 2005-03-30
EP05103085 2005-04-18
PCT/IB2006/050822 WO2006103584A1 (en) 2005-03-30 2006-03-16 Multi-channel audio coding

Publications (1)

Publication Number Publication Date
MX2007011915A true MX2007011915A (es) 2007-11-22

Family

ID=36579565

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2007011915A MX2007011915A (es) 2005-03-30 2006-03-16 Codificacion de audio multicanal.

Country Status (11)

Country Link
US (1) US8346564B2 (https=)
EP (1) EP1866912B1 (https=)
JP (1) JP4610650B2 (https=)
KR (1) KR101271069B1 (https=)
AT (1) ATE473502T1 (https=)
BR (1) BRPI0608945C8 (https=)
DE (1) DE602006015294D1 (https=)
MX (1) MX2007011915A (https=)
PL (1) PL1866912T3 (https=)
RU (2) RU2407073C2 (https=)
WO (1) WO2006103584A1 (https=)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2333137T3 (es) * 2004-07-14 2010-02-17 Koninklijke Philips Electronics N.V. Conversion de canal de audio.
CN101410891A (zh) * 2006-02-03 2009-04-15 韩国电子通信研究院 使用空间线索控制多目标或多声道音频信号的渲染的方法和装置
US8483853B1 (en) 2006-09-12 2013-07-09 Sonos, Inc. Controlling and manipulating groupings in a multi-zone media system
US12167216B2 (en) 2006-09-12 2024-12-10 Sonos, Inc. Playback device pairing
US9202509B2 (en) 2006-09-12 2015-12-01 Sonos, Inc. Controlling and grouping in a multi-zone media system
US8788080B1 (en) 2006-09-12 2014-07-22 Sonos, Inc. Multi-channel pairing in a media system
JP5337941B2 (ja) * 2006-10-16 2013-11-06 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ マルチチャネル・パラメータ変換のための装置および方法
KR101012259B1 (ko) * 2006-10-16 2011-02-08 돌비 스웨덴 에이비 멀티채널 다운믹스된 객체 코딩의 개선된 코딩 및 파라미터 표현
WO2008069593A1 (en) 2006-12-07 2008-06-12 Lg Electronics Inc. A method and an apparatus for processing an audio signal
EP3712888B1 (en) * 2007-03-30 2024-05-08 Electronics and Telecommunications Research Institute Apparatus and method for coding and decoding multi object audio signal with multi channel
KR101505831B1 (ko) * 2007-10-30 2015-03-26 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
KR101449434B1 (ko) * 2008-03-04 2014-10-13 삼성전자주식회사 복수의 가변장 부호 테이블을 이용한 멀티 채널 오디오를부호화/복호화하는 방법 및 장치
KR101061128B1 (ko) * 2008-04-16 2011-08-31 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
EP2111062B1 (en) 2008-04-16 2014-11-12 LG Electronics Inc. A method and an apparatus for processing an audio signal
US8175295B2 (en) 2008-04-16 2012-05-08 Lg Electronics Inc. Method and an apparatus for processing an audio signal
CN102065265B (zh) * 2009-11-13 2012-10-17 华为终端有限公司 实现混音的方法、装置和系统
US11265652B2 (en) 2011-01-25 2022-03-01 Sonos, Inc. Playback device pairing
US11429343B2 (en) 2011-01-25 2022-08-30 Sonos, Inc. Stereo playback configuration and control
SG194199A1 (en) 2011-03-18 2013-12-30 Fraunhofer Ges Forschung Frame element positioning in frames of a bitstream representing audio content
EA030776B9 (ru) 2011-03-28 2019-01-31 Долби Лабораторис Лайсэнзин Корпорейшн Преобразование пониженной сложности для канала низкочастотных эффектов
EP2560161A1 (en) 2011-08-17 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
CN103493128B (zh) * 2012-02-14 2015-05-27 华为技术有限公司 用于执行多信道音频信号的适应性下混和上混的方法及设备
CN103368682B (zh) 2012-03-29 2016-12-07 华为技术有限公司 信号编码和解码的方法和设备
US9729115B2 (en) 2012-04-27 2017-08-08 Sonos, Inc. Intelligently increasing the sound level of player
US9008330B2 (en) 2012-09-28 2015-04-14 Sonos, Inc. Crossover frequency adjustments for audio speakers
RU2641461C2 (ru) 2013-01-29 2018-01-17 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодер, аудиодекодер, способ обеспечения кодированной аудиоинформации, способ обеспечения декодированной аудиоинформации, компьютерная программа и кодированное представление с использованием сигнально-адаптивного расширения полосы пропускания
US9478224B2 (en) * 2013-04-05 2016-10-25 Dolby International Ab Audio processing system
BR112015029113B1 (pt) 2013-05-24 2022-03-22 Dolby International Ab Método para a codificação de objetos de áudio como um fluxo de dados, método para a reconstrução de objetos de áudio com base em um fluxo de dados e decodificador para reconstruir objetos de áudio com base em um fluxo de dados
RU2630754C2 (ru) * 2013-05-24 2017-09-12 Долби Интернешнл Аб Эффективное кодирование звуковых сцен, содержащих звуковые объекты
EP3023984A4 (en) * 2013-07-15 2017-03-08 Electronics and Telecommunications Research Institute Encoder and encoding method for multichannel signal, and decoder and decoding method for multichannel signal
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay 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
EP2840811A1 (en) * 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for processing an audio signal; signal processing unit, binaural renderer, audio encoder and audio decoder
EP2830053A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
EP2830048A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
EP3028273B1 (en) 2013-07-31 2019-09-11 Dolby Laboratories Licensing Corporation Processing spatially diffuse or large audio objects
KR102244379B1 (ko) * 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
EP2866227A1 (en) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
ES2772851T3 (es) * 2013-11-27 2020-07-08 Dts Inc Mezcla de matriz basada en multipletes para audio de múltiples canales de alta cantidad de canales
US9226073B2 (en) 2014-02-06 2015-12-29 Sonos, Inc. Audio output balancing during synchronized playback
US9226087B2 (en) 2014-02-06 2015-12-29 Sonos, Inc. Audio output balancing during synchronized playback
WO2015150384A1 (en) 2014-04-01 2015-10-08 Dolby International Ab Efficient coding of audio scenes comprising audio objects
US9948994B2 (en) 2014-07-16 2018-04-17 Crestron Electronics, Inc. Transmission of digital audio signals using an internet protocol
UA120372C2 (uk) 2014-10-02 2019-11-25 Долбі Інтернешнл Аб Спосіб декодування і декодер для посилення діалогу
TWI879690B (zh) 2015-03-13 2025-04-01 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
US10248376B2 (en) 2015-06-11 2019-04-02 Sonos, Inc. Multiple groupings in a playback system
GB2554065B (en) * 2016-09-08 2022-02-23 V Nova Int Ltd Data processing apparatuses, methods, computer programs and computer-readable media
US10712997B2 (en) 2016-10-17 2020-07-14 Sonos, Inc. Room association based on name
WO2019035622A1 (ko) * 2017-08-17 2019-02-21 가우디오디오랩 주식회사 앰비소닉 신호를 사용하는 오디오 신호 처리 방법 및 장치
WO2020253941A1 (en) * 2019-06-17 2020-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with a signal-dependent number and precision control, audio decoder, and related methods and computer programs
EP3896995B1 (en) * 2020-04-17 2023-09-13 Nokia Technologies Oy Providing spatial audio signals

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2047941C1 (ru) * 1992-03-17 1995-11-10 Андрей Маркович Полыковский Способ трансляции стереофонического сигнала
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
SG54379A1 (en) * 1996-10-24 1998-11-16 Sgs Thomson Microelectronics A Audio decoder with an adaptive frequency domain downmixer
US6694027B1 (en) 1999-03-09 2004-02-17 Smart Devices, Inc. Discrete multi-channel/5-2-5 matrix system
EP1370114A3 (en) 1999-04-07 2004-03-17 Dolby Laboratories Licensing Corporation Matrix improvements to lossless encoding and decoding
US7266501B2 (en) * 2000-03-02 2007-09-04 Akiba Electronics Institute Llc Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
RU2161868C1 (ru) * 2000-05-12 2001-01-10 Федеральное государственное унитарное предприятие Научно-исследовательский институт радио Государственного комитета РФ по связи и информатизации Способ трансляции стереофонического сигнала
WO2004019656A2 (en) * 2001-02-07 2004-03-04 Dolby Laboratories Licensing Corporation Audio channel spatial translation
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
EP1500084B1 (en) * 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
EP1502361B1 (en) * 2002-05-03 2015-01-14 Harman International Industries Incorporated Multi-channel downmixing device
BR0305434A (pt) 2002-07-12 2004-09-28 Koninkl Philips Electronics Nv Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem
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
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
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
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

Also Published As

Publication number Publication date
KR20070118161A (ko) 2007-12-13
WO2006103584A1 (en) 2006-10-05
RU2007139922A (ru) 2009-05-10
ATE473502T1 (de) 2010-07-15
JP4610650B2 (ja) 2011-01-12
DE602006015294D1 (de) 2010-08-19
BRPI0608945C8 (pt) 2020-12-22
RU2007139918A (ru) 2009-05-10
BRPI0608945B1 (pt) 2019-05-28
BRPI0608945B8 (pt) 2020-12-01
RU2411594C2 (ru) 2011-02-10
EP1866912B1 (en) 2010-07-07
US8346564B2 (en) 2013-01-01
KR101271069B1 (ko) 2013-06-04
JP2008535356A (ja) 2008-08-28
US20100153097A1 (en) 2010-06-17
EP1866912A1 (en) 2007-12-19
BRPI0608945A2 (pt) 2010-11-16
PL1866912T3 (pl) 2011-03-31
RU2407073C2 (ru) 2010-12-20

Similar Documents

Publication Publication Date Title
MX2007011915A (es) Codificacion de audio multicanal.
CN101151660B (zh) 多通道音频编码器、解码器以及相应方法
JP4685925B2 (ja) 適応残差オーディオ符号化
US9257128B2 (en) Apparatus and method for coding and decoding multi object audio signal with multi channel
AU2005281937B2 (en) Generation of a multichannel encoded signal and decoding of a multichannel encoded signal
US20190379990A1 (en) Compatible multi-channel coding/decoding
AU2007312597B2 (en) Apparatus and method for multi -channel parameter transformation
KR101158698B1 (ko) 복수-채널 인코더, 입력 신호를 인코딩하는 방법, 저장 매체, 및 인코딩된 출력 데이터를 디코딩하도록 작동하는 디코더
JP4772279B2 (ja) オーディオ信号のマルチチャネル／キュー符号化／復号化
US8433583B2 (en) Audio decoding
JP2011501823A (ja) アップミックスを使用した音声符号器
JP2008519301A (ja) ステレオ互換性のあるマルチチャネルオーディオ符号化
HK1168683B (en) Saoc to mpeg surround transcoding
HK1128548B (en) Apparatus and method for multi -channel parameter transformation

Legal Events

Date Code Title Description
FG Grant or registration
HC Change of company name or juridical status