BRPI0608756B1 - Codificador e decodificador de áudio de multicanais, método para codificar e decodificar um sinal de áudio de n canais, sinal de áudio de multicanais codificado para um sinal de áudio de n canais e sistema de transmissão - Google Patents

Codificador e decodificador de áudio de multicanais, método para codificar e decodificar um sinal de áudio de n canais, sinal de áudio de multicanais codificado para um sinal de áudio de n canais e sistema de transmissão Download PDF

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Publication number
BRPI0608756B1
BRPI0608756B1 BRPI0608756-6A BRPI0608756A BRPI0608756B1 BR PI0608756 B1 BRPI0608756 B1 BR PI0608756B1 BR PI0608756 A BRPI0608756 A BR PI0608756A BR PI0608756 B1 BRPI0608756 B1 BR PI0608756B1
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BR
Brazil
Prior art keywords
signal
channel
data
enhancement data
relative
Prior art date
Application number
BRPI0608756-6A
Other languages
English (en)
Portuguese (pt)
Inventor
Gerard H. Hotho
Francois P. Myburg
Arnoldus W. J. Oomen
Original Assignee
Koninklijke Philips N. V.
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.)
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Publication date
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Application filed by Koninklijke Philips N. V. filed Critical Koninklijke Philips N. V.
Publication of BRPI0608756A2 publication Critical patent/BRPI0608756A2/pt
Publication of BRPI0608756B1 publication Critical patent/BRPI0608756B1/pt

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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
    • 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
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereo-Broadcasting Methods (AREA)
BRPI0608756-6A 2005-03-30 2006-03-16 Codificador e decodificador de áudio de multicanais, método para codificar e decodificar um sinal de áudio de n canais, sinal de áudio de multicanais codificado para um sinal de áudio de n canais e sistema de transmissão BRPI0608756B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP05102515.3 2005-03-30
EP05102515 2005-03-30
EP05103085 2005-04-18
EP05103085.6 2005-04-18
EP06100245 2006-01-11
EP06100245.7 2006-01-11
PCT/IB2006/050826 WO2006103586A1 (en) 2005-03-30 2006-03-16 Audio encoding and decoding

Publications (2)

Publication Number Publication Date
BRPI0608756A2 BRPI0608756A2 (pt) 2011-03-15
BRPI0608756B1 true BRPI0608756B1 (pt) 2019-06-04

Family

ID=36607294

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0608756-6A BRPI0608756B1 (pt) 2005-03-30 2006-03-16 Codificador e decodificador de áudio de multicanais, método para codificar e decodificar um sinal de áudio de n canais, sinal de áudio de multicanais codificado para um sinal de áudio de n canais e sistema de transmissão

Country Status (11)

Country Link
US (1) US7840411B2 (enExample)
EP (1) EP1866913B1 (enExample)
JP (1) JP5106383B2 (enExample)
KR (2) KR20130079627A (enExample)
CN (2) CN101151658B (enExample)
AT (1) ATE406651T1 (enExample)
BR (1) BRPI0608756B1 (enExample)
DE (1) DE602006002501D1 (enExample)
ES (1) ES2313646T3 (enExample)
MX (1) MX2007011995A (enExample)
WO (1) WO2006103586A1 (enExample)

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CN102802112B (zh) * 2011-05-24 2014-08-13 鸿富锦精密工业（深圳）有限公司 具有音频文件格式转换功能的电子装置
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
TWI546799B (zh) 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
EP2830333A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
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
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
EP2830051A3 (en) * 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
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PT3022949T (pt) 2013-07-22 2018-01-23 Fraunhofer Ges Forschung Descodificador de áudio multicanal, codificador de áudio de multicanal, métodos, programa de computador e representação de áudio codificada usando uma descorrelação dos sinais de áudio renderizados
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Also Published As

Publication number Publication date
CN101151660A (zh) 2008-03-26
EP1866913A1 (en) 2007-12-19
EP1866913B1 (en) 2008-08-27
MX2007011995A (es) 2007-12-07
US7840411B2 (en) 2010-11-23
JP2008535015A (ja) 2008-08-28
WO2006103586A1 (en) 2006-10-05
ES2313646T3 (es) 2009-03-01
BRPI0608756A2 (pt) 2011-03-15
US20100153118A1 (en) 2010-06-17
KR20130079627A (ko) 2013-07-10
ATE406651T1 (de) 2008-09-15
KR20070116174A (ko) 2007-12-06
DE602006002501D1 (de) 2008-10-09
JP5106383B2 (ja) 2012-12-26
KR101346120B1 (ko) 2014-01-02
CN101151658B (zh) 2011-07-06
CN101151658A (zh) 2008-03-26
CN101151660B (zh) 2011-10-19

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B06G Technical and formal requirements: other requirements [chapter 6.7 patent gazette]

Free format text: SOLICITA-SE A REGULARIZACAO DA PROCURACAO, UMA VEZ QUE BASEADO NO ARTIGO 216 1O DA LPI, O DOCUMENTO DE PROCURACAO DEVE SER APRESENTADO NO ORIGINAL, TRASLADO OU FOTOCOPIA AUTENTICADA.

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

Free format text: A CLASSIFICACAO ANTERIOR ERA: G10L 19/00

Ipc: G10L 19/008 (2013.01), H04S 3/00 (1980.01)

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]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/06/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/06/2019, OBSERVADAS AS CONDICOES LEGAIS