MX2016000902A - Descodificador de audio multicanal, codificacor de audio multicanal, metodos, programa de computadora y representacion de audio codificada usando una decorrelacion de señales de audio renderizadas. - Google Patents

Descodificador de audio multicanal, codificacor de audio multicanal, metodos, programa de computadora y representacion de audio codificada usando una decorrelacion de señales de audio renderizadas.

Info

Publication number
MX2016000902A
MX2016000902A MX2016000902A MX2016000902A MX2016000902A MX 2016000902 A MX2016000902 A MX 2016000902A MX 2016000902 A MX2016000902 A MX 2016000902A MX 2016000902 A MX2016000902 A MX 2016000902A MX 2016000902 A MX2016000902 A MX 2016000902A
Authority
MX
Mexico
Prior art keywords
audio
audio signals
rendered
channel audio
channel
Prior art date
Application number
MX2016000902A
Other languages
English (en)
Other versions
MX361115B (es
Inventor
Sascha Disch
Jürgen Herre
Falko Ridderbusch
Leon Terentiv
Oliver Hellmuth
Harald Fuchs
Jouni Paulus
Adrian Murtaza
Original Assignee
Fraunhofer Ges Forschung
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 EP20130189345 external-priority patent/EP2830334A1/en
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2016000902A publication Critical patent/MX2016000902A/es
Publication of MX361115B publication Critical patent/MX361115B/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)

Abstract

Un descodificador de audio multicanal para proporcionar al menos dos señales de audio de salida en base a una representación codificada se configura para renderizar una pluralidad de señales de audio descodificadas, que se obtienen en base a la representación codificada, en dependencia de uno o varios parámetros de renderización, para obtener una pluralidad de señales de audio renderizadas. El descodificador de audio multicanal se configura para derivar una o varias señales de audio decorrelacionadas de las señales de audio renderizadas, y para combinar las señales de audio renderizadas, o una de sus versiones en escala, con una o varias señales de audio decorrelacionadas, para obtener las señales de audio de salida. Un codificador de audio multicanal proporciona un parámetro del método de decorrelación para controlar un descodificador de audio.
MX2016000902A 2013-07-22 2014-07-17 Descodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas. MX361115B (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP13177374 2013-07-22
EP20130189345 EP2830334A1 (en) 2013-07-22 2013-10-18 Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
EP14161611 2014-03-25
PCT/EP2014/065397 WO2015011015A1 (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals

Publications (2)

Publication Number Publication Date
MX2016000902A true MX2016000902A (es) 2016-05-31
MX361115B MX361115B (es) 2018-11-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016000902A MX361115B (es) 2013-07-22 2014-07-17 Descodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas.

Country Status (17)

Country Link
US (2) US10431227B2 (es)
EP (1) EP3022949B1 (es)
JP (2) JP6449877B2 (es)
KR (1) KR101829822B1 (es)
CN (1) CN105612766B (es)
AU (1) AU2014295207B2 (es)
BR (1) BR112016001250B1 (es)
CA (1) CA2919080C (es)
ES (1) ES2653975T3 (es)
MX (1) MX361115B (es)
MY (1) MY195412A (es)
PL (1) PL3022949T3 (es)
PT (1) PT3022949T (es)
RU (1) RU2665917C2 (es)
SG (1) SG11201600466PA (es)
TW (1) TWI601408B (es)
WO (1) WO2015011015A1 (es)

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Also Published As

Publication number Publication date
CN105612766A (zh) 2016-05-25
US20160247507A1 (en) 2016-08-25
EP3022949A1 (en) 2016-05-25
TWI601408B (zh) 2017-10-01
MY195412A (en) 2023-01-19
MX361115B (es) 2018-11-28
PL3022949T3 (pl) 2018-04-30
ES2653975T3 (es) 2018-02-09
BR112016001250A2 (es) 2017-07-25
PT3022949T (pt) 2018-01-23
EP3022949B1 (en) 2017-10-18
WO2015011015A1 (en) 2015-01-29
AU2014295207B2 (en) 2017-02-02
KR101829822B1 (ko) 2018-03-29
CN105612766B (zh) 2018-07-27
TW201521469A (zh) 2015-06-01
RU2016105755A (ru) 2017-08-25
RU2665917C2 (ru) 2018-09-04
JP2019032541A (ja) 2019-02-28
JP6449877B2 (ja) 2019-01-09
US20180350375A1 (en) 2018-12-06
AU2014295207A1 (en) 2016-03-10
SG11201600466PA (en) 2016-02-26
CA2919080C (en) 2018-06-05
US10431227B2 (en) 2019-10-01
CA2919080A1 (en) 2015-01-29
BR112016001250B1 (pt) 2022-07-26
US12374342B2 (en) 2025-07-29
JP6777700B2 (ja) 2020-10-28
JP2016528811A (ja) 2016-09-15
KR20160039634A (ko) 2016-04-11

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