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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Error Detection And Correction (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
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.
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”

Family Applications After (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) BRPI0308691A2 (pt)
DE (1) DE60331535D1 (pt)
ES (1) ES2341327T3 (pt)
WO (1) WO2003085645A1 (pt)

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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
WO2009144953A1 (ja) * 2008-05-30 2009-12-03 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
WO2009153995A1 (ja) * 2008-06-19 2009-12-23 パナソニック株式会社 量子化装置、符号化装置およびこれらの方法
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Also Published As

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

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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]