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.)
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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)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (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 2005-04-18
EP05103077.3 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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Also Published As

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

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