MX2007011915A - Codificacion de audio multicanal. - Google Patents

Codificacion de audio multicanal.

Info

Publication number
MX2007011915A
MX2007011915A MX2007011915A MX2007011915A MX2007011915A MX 2007011915 A MX2007011915 A MX 2007011915A MX 2007011915 A MX2007011915 A MX 2007011915A MX 2007011915 A MX2007011915 A MX 2007011915A MX 2007011915 A MX2007011915 A MX 2007011915A
Authority
MX
Mexico
Prior art keywords
audio signals
parametric data
audio
additional
signals
Prior art date
Application number
MX2007011915A
Other languages
English (en)
Spanish (es)
Inventor
Albertus C Den Brinker
Gerard H Hotho
Erik G P Schuijers
Dirk J Breebaart
Heiko Purnhagen
Karl J Roden
Lars F Villemoes
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 MX2007011915A publication Critical patent/MX2007011915A/es

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
    • G10L19/04—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • 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)
  • 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)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuit For Audible Band Transducer (AREA)
MX2007011915A 2005-03-30 2006-03-16 Codificacion de audio multicanal. MX2007011915A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05102515 2005-03-30
EP05103085 2005-04-18
PCT/IB2006/050822 WO2006103584A1 (en) 2005-03-30 2006-03-16 Multi-channel audio coding

Publications (1)

Publication Number Publication Date
MX2007011915A true MX2007011915A (es) 2007-11-22

Family

ID=36579565

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2007011915A MX2007011915A (es) 2005-03-30 2006-03-16 Codificacion de audio multicanal.

Country Status (11)

Country Link
US (1) US8346564B2 (https=)
EP (1) EP1866912B1 (https=)
JP (1) JP4610650B2 (https=)
KR (1) KR101271069B1 (https=)
AT (1) ATE473502T1 (https=)
BR (1) BRPI0608945C8 (https=)
DE (1) DE602006015294D1 (https=)
MX (1) MX2007011915A (https=)
PL (1) PL1866912T3 (https=)
RU (2) RU2407073C2 (https=)
WO (1) WO2006103584A1 (https=)

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Also Published As

Publication number Publication date
DE602006015294D1 (de) 2010-08-19
BRPI0608945A2 (pt) 2010-11-16
WO2006103584A1 (en) 2006-10-05
RU2007139918A (ru) 2009-05-10
JP4610650B2 (ja) 2011-01-12
KR101271069B1 (ko) 2013-06-04
ATE473502T1 (de) 2010-07-15
PL1866912T3 (pl) 2011-03-31
US20100153097A1 (en) 2010-06-17
KR20070118161A (ko) 2007-12-13
RU2407073C2 (ru) 2010-12-20
RU2007139922A (ru) 2009-05-10
JP2008535356A (ja) 2008-08-28
EP1866912B1 (en) 2010-07-07
BRPI0608945C8 (pt) 2020-12-22
BRPI0608945B8 (pt) 2020-12-01
RU2411594C2 (ru) 2011-02-10
US8346564B2 (en) 2013-01-01
EP1866912A1 (en) 2007-12-19
BRPI0608945B1 (pt) 2019-05-28

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