BRPI0608753B1 - codificador de áudio, decodificador de áudio, método para codificar um sinal de áudio de multicanal, método para gerar um sinal de áudio de multicanal, sinal de áudio de multicanal codificado, e meio de armazenamento - Google Patents

codificador de áudio, decodificador de áudio, método para codificar um sinal de áudio de multicanal, método para gerar um sinal de áudio de multicanal, sinal de áudio de multicanal codificado, e meio de armazenamento Download PDF

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Publication number
BRPI0608753B1
BRPI0608753B1 BRPI0608753A BRPI0608753A BRPI0608753B1 BR PI0608753 B1 BRPI0608753 B1 BR PI0608753B1 BR PI0608753 A BRPI0608753 A BR PI0608753A BR PI0608753 A BRPI0608753 A BR PI0608753A BR PI0608753 B1 BRPI0608753 B1 BR PI0608753B1
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BR
Brazil
Prior art keywords
audio
signal
parameters
signal part
dominant
Prior art date
Application number
BRPI0608753A
Other languages
English (en)
Portuguese (pt)
Inventor
G P Schuijers Erik
P Myburg Francois
Original Assignee
Koninl Philips Electronics Nv
Koninklijke Philips 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36579108&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0608753(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninl Philips Electronics Nv, Koninklijke Philips Nv filed Critical Koninl Philips Electronics Nv
Publication of BRPI0608753A2 publication Critical patent/BRPI0608753A2/pt
Publication of BRPI0608753B1 publication Critical patent/BRPI0608753B1/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
    • 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
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
BRPI0608753A 2005-03-30 2006-03-16 codificador de áudio, decodificador de áudio, método para codificar um sinal de áudio de multicanal, método para gerar um sinal de áudio de multicanal, sinal de áudio de multicanal codificado, e meio de armazenamento BRPI0608753B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP05102506 2005-03-30
EP05102506.2 2005-03-30
EP05103077.3 2005-04-18
EP05103077 2005-04-18
PCT/IB2006/050819 WO2006103581A1 (en) 2005-03-30 2006-03-16 Scalable multi-channel audio coding

Publications (2)

Publication Number Publication Date
BRPI0608753A2 BRPI0608753A2 (pt) 2011-03-15
BRPI0608753B1 true BRPI0608753B1 (pt) 2019-12-24

Family

ID=36579108

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0608753A BRPI0608753B1 (pt) 2005-03-30 2006-03-16 codificador de áudio, decodificador de áudio, método para codificar um sinal de áudio de multicanal, método para gerar um sinal de áudio de multicanal, sinal de áudio de multicanal codificado, e meio de armazenamento

Country Status (12)

Country Link
US (2) US8036904B2 (enExample)
EP (1) EP1866911B1 (enExample)
JP (1) JP4943418B2 (enExample)
KR (1) KR101315077B1 (enExample)
CN (1) CN101151659B (enExample)
AT (1) ATE470930T1 (enExample)
BR (1) BRPI0608753B1 (enExample)
DE (1) DE602006014809D1 (enExample)
ES (1) ES2347274T3 (enExample)
PL (1) PL1866911T3 (enExample)
RU (1) RU2416129C2 (enExample)
WO (1) WO2006103581A1 (enExample)

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JP5737077B2 (ja) * 2011-08-30 2015-06-17 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
EP2600343A1 (en) * 2011-12-02 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for merging geometry - based spatial audio coding streams
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US9460729B2 (en) 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
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CN106537502B (zh) 2014-03-31 2019-10-15 索尼公司 用于生成音频内容的方法和装置
CN104240712B (zh) * 2014-09-30 2018-02-02 武汉大学深圳研究院 一种三维音频多声道分组聚类编码方法及系统
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
EP3067885A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
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Also Published As

Publication number Publication date
RU2007139921A (ru) 2009-05-10
PL1866911T3 (pl) 2010-12-31
US20120063604A1 (en) 2012-03-15
RU2416129C2 (ru) 2011-04-10
US8352280B2 (en) 2013-01-08
JP4943418B2 (ja) 2012-05-30
JP2008535014A (ja) 2008-08-28
WO2006103581A1 (en) 2006-10-05
ATE470930T1 (de) 2010-06-15
CN101151659A (zh) 2008-03-26
KR20070116170A (ko) 2007-12-06
EP1866911B1 (en) 2010-06-09
BRPI0608753A2 (pt) 2011-03-15
EP1866911A1 (en) 2007-12-19
KR101315077B1 (ko) 2013-10-08
CN101151659B (zh) 2014-02-05
US8036904B2 (en) 2011-10-11
US20080195397A1 (en) 2008-08-14
ES2347274T3 (es) 2010-10-27
DE602006014809D1 (de) 2010-07-22

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Legal Events

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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), G10L 19/24 (2013.01)

B06A Patent application procedure suspended [chapter 6.1 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]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 24/12/2019, OBSERVADAS AS CONDICOES LEGAIS.