AR097015A1 - Decodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas - Google Patents

Decodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas

Info

Publication number
AR097015A1
AR097015A1 ARP140102719A ARP140102719A AR097015A1 AR 097015 A1 AR097015 A1 AR 097015A1 AR P140102719 A ARP140102719 A AR P140102719A AR P140102719 A ARP140102719 A AR P140102719A AR 097015 A1 AR097015 A1 AR 097015A1
Authority
AR
Argentina
Prior art keywords
audio
audio signals
multichannel
rendered
decoder
Prior art date
Application number
ARP140102719A
Other languages
English (en)
Original Assignee
Fraunhofer Ges Forschung
Friedrich-Alexander-Universitaet Erlangen-Nuernberg
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 Fraunhofer Ges Forschung, Friedrich-Alexander-Universitaet Erlangen-Nuernberg filed Critical Fraunhofer Ges Forschung
Publication of AR097015A1 publication Critical patent/AR097015A1/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems 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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)

Abstract

Un decodificador 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 decodificadas, 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 decodificador de audio multicanal se configura para derivar una o varias señales de audio decorreladas 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 decorreladas, para obtener las señales de audio de salida. Un codificador de audio multicanal proporciona un parámetro del método de decorrelación para controlar un decodificador de audio.
ARP140102719A 2013-07-22 2014-07-22 Decodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas AR097015A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13177374 2013-07-22

Publications (1)

Publication Number Publication Date
AR097015A1 true AR097015A1 (es) 2016-02-10

Family

ID=48832794

Family Applications (2)

Application Number Title Priority Date Filing Date
ARP140102718A AR097014A1 (es) 2013-07-22 2014-07-22 Decorrelacionador multicanal, decodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador
ARP140102719A AR097015A1 (es) 2013-07-22 2014-07-22 Decodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ARP140102718A AR097014A1 (es) 2013-07-22 2014-07-22 Decorrelacionador multicanal, decodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador

Country Status (19)

Country Link
US (6) US11115770B2 (es)
EP (5) EP2830334A1 (es)
JP (3) JP6434013B2 (es)
KR (1) KR101893410B1 (es)
CN (1) CN105580390B (es)
AR (2) AR097014A1 (es)
AU (2) AU2014295206B2 (es)
BR (1) BR112016001245B1 (es)
CA (1) CA2919077C (es)
ES (3) ES2924174T3 (es)
MX (3) MX362548B (es)
MY (1) MY178904A (es)
PL (1) PL3025515T3 (es)
PT (1) PT3025515T (es)
RU (1) RU2666640C2 (es)
SG (1) SG11201600491SA (es)
TW (1) TWI587285B (es)
WO (1) WO2015011014A1 (es)
ZA (1) ZA201601047B (es)

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Also Published As

Publication number Publication date
US20160157039A1 (en) 2016-06-02
CN105580390A (zh) 2016-05-11
EP3419315B1 (en) 2022-05-04
KR101893410B1 (ko) 2018-10-04
EP3419314B1 (en) 2022-04-27
TW201532034A (zh) 2015-08-16
JP2016531482A (ja) 2016-10-06
JP2020120389A (ja) 2020-08-06
WO2015011014A1 (en) 2015-01-29
AU2014295206A1 (en) 2016-03-10
RU2016105468A (ru) 2017-08-29
US11252523B2 (en) 2022-02-15
PL3025515T3 (pl) 2019-08-30
MX2018012891A (es) 2020-11-06
US20220167102A1 (en) 2022-05-26
US20160240199A1 (en) 2016-08-18
PT3025515T (pt) 2019-05-30
ES2924174T3 (es) 2022-10-05
JP7000488B2 (ja) 2022-01-19
EP2830333A1 (en) 2015-01-28
MX362548B (es) 2019-01-24
US20190124459A1 (en) 2019-04-25
JP6434013B2 (ja) 2018-12-05
TWI587285B (zh) 2017-06-11
BR112016001245A2 (es) 2017-07-25
EP3025515A1 (en) 2016-06-01
ES2725427T3 (es) 2019-09-24
JP2018198434A (ja) 2018-12-13
EP2830334A1 (en) 2015-01-28
EP3419315A1 (en) 2018-12-26
MY178904A (en) 2020-10-22
US11115770B2 (en) 2021-09-07
US11240619B2 (en) 2022-02-01
MX2016000915A (es) 2016-05-31
ZA201601047B (en) 2017-11-29
AU2014295206B2 (en) 2017-11-02
EP3419314A1 (en) 2018-12-26
RU2666640C2 (ru) 2018-09-11
CA2919077A1 (en) 2015-01-29
CN105580390B (zh) 2018-06-12
AU2017248532B2 (en) 2019-09-19
BR112016001245B1 (pt) 2022-06-21
US20160353222A1 (en) 2016-12-01
CA2919077C (en) 2019-07-09
AR097014A1 (es) 2016-02-10
US11381925B2 (en) 2022-07-05
EP3025515B1 (en) 2019-02-13
US20160316307A1 (en) 2016-10-27
KR20160042913A (ko) 2016-04-20
JP6687683B2 (ja) 2020-04-28
MX2018012892A (es) 2020-09-17
US10448185B2 (en) 2019-10-15
SG11201600491SA (en) 2016-02-26
AU2017248532A1 (en) 2017-11-09
ES2925038T3 (es) 2022-10-13

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