BRPI0308691A2 - métodos para codificar um sinal de canal múltiplo e para decodificar informação de sinal de canal múltiplo, arranjos para codificar e decodificar um sinal de canal múltiplo, sinal de dados, meio legível por computador, e, dispositivo para comunicar um sinal de canal múltiplo. - Google Patents

métodos para codificar um sinal de canal múltiplo e para decodificar informação de sinal de canal múltiplo, arranjos para codificar e decodificar um sinal de canal múltiplo, sinal de dados, meio legível por computador, e, dispositivo para comunicar um sinal de canal múltiplo.

Info

Publication number
BRPI0308691A2
BRPI0308691A2 BRPI0308691A BR0308691A BRPI0308691A2 BR PI0308691 A2 BRPI0308691 A2 BR PI0308691A2 BR PI0308691 A BRPI0308691 A BR PI0308691A BR 0308691 A BR0308691 A BR 0308691A BR PI0308691 A2 BRPI0308691 A2 BR PI0308691A2
Authority
BR
Brazil
Prior art keywords
channel signal
multiple channel
encoding
decoding
signal
Prior art date
Application number
BRPI0308691A
Other languages
English (en)
Inventor
Ronaldus M Aarts
Roy Irwan
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 BRPI0308691A2 publication Critical patent/BRPI0308691A2/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
    • G10L19/008—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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BRPI0308691A 2002-04-10 2003-03-20 métodos para codificar um sinal de canal múltiplo e para decodificar informação de sinal de canal múltiplo, arranjos para codificar e decodificar um sinal de canal múltiplo, sinal de dados, meio legível por computador, e, dispositivo para comunicar um sinal de canal múltiplo. BRPI0308691A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02076408 2002-04-10
PCT/IB2003/001154 WO2003085645A1 (en) 2002-04-10 2003-03-20 Coding of stereo signals

Publications (1)

Publication Number Publication Date
BRPI0308691A2 true BRPI0308691A2 (pt) 2016-11-16

Family

ID=28685942

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0308691-7A BRPI0308691B1 (pt) 2002-04-10 2003-03-20 “Métodos para codificar um sinal de canal múltiplo e para decodificar informação de sinal de canal múltiplo, e arranjos para codificar e decodificar um sinal de canal múltiplo”
BRPI0308691A BRPI0308691A2 (pt) 2002-04-10 2003-03-20 métodos para codificar um sinal de canal múltiplo e para decodificar informação de sinal de canal múltiplo, arranjos para codificar e decodificar um sinal de canal múltiplo, sinal de dados, meio legível por computador, e, dispositivo para comunicar um sinal de canal múltiplo.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI0308691-7A BRPI0308691B1 (pt) 2002-04-10 2003-03-20 “Métodos para codificar um sinal de canal múltiplo e para decodificar informação de sinal de canal múltiplo, e arranjos para codificar e decodificar um sinal de canal múltiplo”

Country Status (11)

Country Link
US (1) US7359522B2 (pt)
EP (1) EP1500086B1 (pt)
JP (1) JP4805541B2 (pt)
KR (1) KR100981694B1 (pt)
CN (1) CN1311426C (pt)
AT (1) ATE459957T1 (pt)
AU (1) AU2003212592A1 (pt)
BR (2) BRPI0308691B1 (pt)
DE (1) DE60331535D1 (pt)
ES (1) ES2341327T3 (pt)
WO (1) WO2003085645A1 (pt)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101016251B1 (ko) * 2002-04-10 2011-02-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호의 코딩
EP1606797B1 (en) 2003-03-17 2010-11-03 Koninklijke Philips Electronics N.V. Processing of multi-channel signals
KR20050116828A (ko) * 2003-03-24 2005-12-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 다채널 신호를 나타내는 주 및 부 신호의 코딩
DE102004009954B4 (de) * 2004-03-01 2005-12-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
EP1757165B1 (en) * 2004-06-08 2011-12-28 Koninklijke Philips Electronics N.V. Coding reverberant sound signals
EP1761915B1 (en) * 2004-06-21 2008-12-03 Koninklijke Philips Electronics N.V. Method and apparatus to encode and decode multi-channel audio signals
MX2007005262A (es) * 2004-11-04 2007-07-09 Koninkl Philips Electronics Nv Codificacion y decodificacion de senales de audio de varios canales.
KR100707177B1 (ko) * 2005-01-19 2007-04-13 삼성전자주식회사 디지털 신호 부호화/복호화 방법 및 장치
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
US7840411B2 (en) * 2005-03-30 2010-11-23 Koninklijke Philips Electronics N.V. Audio encoding and decoding
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
US8180631B2 (en) 2005-07-11 2012-05-15 Lg Electronics Inc. Apparatus and method of processing an audio signal, utilizing a unique offset associated with each coded-coefficient
JP2007183528A (ja) * 2005-12-06 2007-07-19 Fujitsu Ltd 符号化装置、符号化方法、および符号化プログラム
KR100803212B1 (ko) 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
KR101218776B1 (ko) 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
FR2898725A1 (fr) 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
WO2007104882A1 (fr) 2006-03-15 2007-09-20 France Telecom Dispositif et procede de codage par analyse en composante principale d'un signal audio multi-canal
CN1909064B (zh) * 2006-08-22 2011-05-18 复旦大学 一种在线自然语音卷积混合信号的时域盲分离方法
KR100860830B1 (ko) * 2006-12-13 2008-09-30 삼성전자주식회사 음성 신호의 스펙트럼 정보 추정 장치 및 방법
US8935158B2 (en) 2006-12-13 2015-01-13 Samsung Electronics Co., Ltd. Apparatus and method for comparing frames using spectral information of audio signal
CN101067931B (zh) * 2007-05-10 2011-04-20 芯晟(北京)科技有限公司 一种高效可配置的频域参数立体声及多声道编解码方法与系统
US8452587B2 (en) 2008-05-30 2013-05-28 Panasonic Corporation Encoder, decoder, and the methods therefor
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
CN101673548B (zh) * 2008-09-08 2012-08-08 华为技术有限公司 参数立体声编码方法、装置和参数立体声解码方法、装置
EP2439964B1 (en) 2009-06-01 2014-06-04 Mitsubishi Electric Corporation Signal processing devices for processing stereo audio signals
CN102714036B (zh) * 2009-12-28 2014-01-22 松下电器产业株式会社 语音编码装置和语音编码方法
US8634569B2 (en) * 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
US9160864B2 (en) 2011-01-05 2015-10-13 Conexant Systems, Inc. Systems and methods for stereo echo cancellation
EP2645748A1 (en) 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
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
CN105336333B (zh) * 2014-08-12 2019-07-05 北京天籁传音数字技术有限公司 多声道声音信号编码方法、解码方法及装置
CN105632505B (zh) * 2014-11-28 2019-12-20 北京天籁传音数字技术有限公司 主成分分析pca映射模型的编解码方法及装置
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
CN109427328B (zh) * 2017-08-28 2023-04-28 中国科学院声学研究所 一种基于滤波网络声学模型的多通道语音识别方法
JP2022552319A (ja) 2019-10-18 2022-12-15 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 生成モデルを用いたオーディオ信号の波形符号化のための方法およびシステム

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554670A (en) * 1982-04-14 1985-11-19 Nec Corporation System and method for ADPCM transmission of speech or like signals
US4815132A (en) * 1985-08-30 1989-03-21 Kabushiki Kaisha Toshiba Stereophonic voice signal transmission system
JPH0761043B2 (ja) * 1986-04-10 1995-06-28 株式会社東芝 ステレオ音声伝送蓄積方式
US5434948A (en) * 1989-06-15 1995-07-18 British Telecommunications Public Limited Company Polyphonic coding
NL9100173A (nl) * 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
JP3176474B2 (ja) * 1992-06-03 2001-06-18 沖電気工業株式会社 適応ノイズキャンセラ装置
DE4320990B4 (de) * 1993-06-05 2004-04-29 Robert Bosch Gmbh Verfahren zur Redundanzreduktion
JP2758846B2 (ja) * 1995-02-27 1998-05-28 埼玉日本電気株式会社 ノイズキャンセラ装置
JPH11502324A (ja) * 1995-12-15 1999-02-23 フィリップス エレクトロニクス エヌ ベー 適応雑音除去装置、雑音減少システム及び送受信機
US6430295B1 (en) * 1997-07-11 2002-08-06 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for measuring signal level and delay at multiple sensors
US6121904A (en) 1998-03-12 2000-09-19 Liquid Audio, Inc. Lossless data compression with low complexity
ATE288150T1 (de) * 1998-03-18 2005-02-15 Koninkl Philips Electronics Nv Datenvorhersage in einem übertragungssystem
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
GB9922654D0 (en) * 1999-09-27 1999-11-24 Jaber Marwan Noise suppression system
KR100809310B1 (ko) * 2000-07-19 2008-03-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 서라운드 및/또는 오디오 센터 신호를 구동하기 위한 다중-채널 스테레오 컨버터
US6963649B2 (en) * 2000-10-24 2005-11-08 Adaptive Technologies, Inc. Noise cancelling microphone
EP1275271A2 (en) * 2000-12-22 2003-01-15 Koninklijke Philips Electronics N.V. Multi-channel audio converter

Also Published As

Publication number Publication date
CN1647158A (zh) 2005-07-27
US7359522B2 (en) 2008-04-15
BRPI0308691B1 (pt) 2018-06-19
KR100981694B1 (ko) 2010-09-13
DE60331535D1 (de) 2010-04-15
KR20040101429A (ko) 2004-12-02
EP1500086A1 (en) 2005-01-26
WO2003085645A1 (en) 2003-10-16
AU2003212592A1 (en) 2003-10-20
ATE459957T1 (de) 2010-03-15
CN1311426C (zh) 2007-04-18
EP1500086B1 (en) 2010-03-03
US20050213522A1 (en) 2005-09-29
ES2341327T3 (es) 2010-06-18
JP4805541B2 (ja) 2011-11-02
JP2005522722A (ja) 2005-07-28

Similar Documents

Publication Publication Date Title
BRPI0414757A (pt) equipamento e método para o processamento de um sinal de áudio multicanais, equipamento para o processamento inverso dos dados de entrada e método de processamento inverso dos dados de entrada
ATE459957T1 (de) Kodierung und dekodierung für mehrkanalige signale
ATE492104T1 (de) Frequenzbereichsentzerrung von kommunikationssignalen
WO2004017180A3 (en) System and method for creating an index of audio tracks
WO2020016740A3 (en) Cross-component coding information derivation
PL1745464T3 (pl) Urządzenie i sposób analizowania sygnału informacyjnego
DK1724730T3 (da) Overvågningssystem og fremgangsmåde til overvågning af komponentfunktioner på en arbejdsmaskine
SE0400998D0 (sv) Method for representing multi-channel audio signals
BRPI0709235B8 (pt) decodificador de áudio, método de decodificação de áudio, receptor para receber um sinal de n canais, sistema de transmissão para transmitir um sinal de áudio, método para receber um sinal de áudio, método para transmitir e receber um sinal de áudio, mídia de armazenamento legível por computador, e, dispositivo de reprodução de áudio
TW200513091A (en) Method of granting DRMlicense to support plural devices
ATE378780T1 (de) Verfahren, vorrichtung und system zum codieren und decodieren von seiteninformationen für die multimedia-übertragung
TW200516551A (en) Write-once recording medium, recording method, recording apparatus, reproduction method, and reproduction apparatus
WO2006015238A3 (en) System and method for using social networks to facilitate business processes
AU2002349783A1 (en) A method and an apparatus for stream conversion, a method and an apparatus for data recording, and data recording medium
DE60306512D1 (de) Parametrische beschreibung von mehrkanal-audio
EP1286544A4 (en) RECORDING APPARATUS AND METHOD, REPRODUCING APPARATUS AND METHOD, RECORDED MEDIUM, AND PROGRAM
WO2004070558A3 (en) Method and apparatus to identify a work received by a processing system
BR112012025570A2 (pt) aparelho e método de processamento de sinal, meio de gravação, decodificador, codificador, métodos de decodificação e de codificação.
TW200627206A (en) Apparatus, system, and method for automatically discovering and grouping resources used by a business process
BR0115217A (pt) Método e equipamento para cancelamento de interferência em um receptor com espalhamento espectral
DE60324255D1 (de) Wegungsvektormerkmalen
ATE316679T1 (de) Encodier- und/oder decodierverfahren für digitale audiosignale, basierend auf zeit- frequenzkorrelation und vorrichtung hierzu
ATE381223T1 (de) Mehrfache verwendung einer standardisierten schnittstelle in einer vorrichtung
DE602004029625D1 (de) Verfahren zur Entzerrung reproduzierter Signale von optischen Informationsmedien
US8392177B2 (en) Method and apparatus for frequency encoding, and method and apparatus for frequency decoding

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B25G Requested change of headquarter approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B15K Others concerning applications: alteration of classification

Ipc: G10L 19/008 (2013.01), G10L 19/02 (2013.01)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]