MX2008002760A - Metodo para decodificar una senal de audio. - Google Patents

Metodo para decodificar una senal de audio.

Info

Publication number
MX2008002760A
MX2008002760A MX2008002760A MX2008002760A MX2008002760A MX 2008002760 A MX2008002760 A MX 2008002760A MX 2008002760 A MX2008002760 A MX 2008002760A MX 2008002760 A MX2008002760 A MX 2008002760A MX 2008002760 A MX2008002760 A MX 2008002760A
Authority
MX
Mexico
Prior art keywords
audio signal
signal
decoding
channel
spatial information
Prior art date
Application number
MX2008002760A
Other languages
English (en)
Inventor
Hee Suk Pang
Dong Soo Kim
Jae Hyun Lim
Yang Won Jung
Hyeon O Oh
Original Assignee
Lg Electronics Inc
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
Priority claimed from KR1020060056480A external-priority patent/KR20070003574A/ko
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Priority claimed from PCT/KR2006/003435 external-priority patent/WO2007027056A1/en
Publication of MX2008002760A publication Critical patent/MX2008002760A/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
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439—Processing of audio elementary streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

La invencion se relaciona a un metodo para decodificar una senal de audio, para permitir a una senal de audio comprimirse y transferirse mas eficientemente. El metodo inventivo comprende las etapas de recibir una senal de audio con senal de informacion espacial, obtener informacion de ubicacion utilizando el numero de franjas de tiempo y de parametros de senal de audio, establecer una senal de audio de canales multiples mediante la aplicacion de la senal de informacion espacial a la senal de mezclado descendente, y realizar un arreglo de canales multiples para una senal de audio de canales multiples en respuesta al canal de salida.
MX2008002760A 2005-08-30 2006-08-30 Metodo para decodificar una senal de audio. MX2008002760A (es)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
US71211905P 2005-08-30 2005-08-30
US71920205P 2005-09-22 2005-09-22
US72300705P 2005-10-04 2005-10-04
US72622805P 2005-10-14 2005-10-14
US72922505P 2005-10-24 2005-10-24
US73562805P 2005-11-12 2005-11-12
US74860705P 2005-12-09 2005-12-09
KR20060004055 2006-01-13
KR20060004065 2006-01-13
KR20060004056 2006-01-13
US76253606P 2006-01-27 2006-01-27
US80382506P 2006-06-02 2006-06-02
KR1020060056480A KR20070003574A (ko) 2005-06-30 2006-06-22 오디오 신호 인코딩 및 디코딩 방법 및 장치
PCT/KR2006/003435 WO2007027056A1 (en) 2005-08-30 2006-08-30 A method for decoding an audio signal

Publications (1)

Publication Number Publication Date
MX2008002760A true MX2008002760A (es) 2008-04-07

Family

ID=39647552

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2008002760A MX2008002760A (es) 2005-08-30 2006-08-30 Metodo para decodificar una senal de audio.

Country Status (5)

Country Link
US (1) US7987097B2 (es)
JP (2) JP4568363B2 (es)
KR (4) KR101169280B1 (es)
HK (1) HK1124682A1 (es)
MX (1) MX2008002760A (es)

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JP2009506707A (ja) 2009-02-12
KR101169280B1 (ko) 2012-08-02
US7987097B2 (en) 2011-07-26
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