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AR077226A1 - Decodificador de senales de audio, metodo para decodificar una senal de audio y programa de computacion que utiliza etapas en cascada de procesamiento de objetos de audio - Google Patents

Decodificador de senales de audio, metodo para decodificar una senal de audio y programa de computacion que utiliza etapas en cascada de procesamiento de objetos de audio

Info

Publication number
AR077226A1
AR077226A1 ARP100102243A ARP100102243A AR077226A1 AR 077226 A1 AR077226 A1 AR 077226A1 AR P100102243 A ARP100102243 A AR P100102243A AR P100102243 A ARP100102243 A AR P100102243A AR 077226 A1 AR077226 A1 AR 077226A1
Authority
AR
Argentina
Prior art keywords
audio
audio signal
objects
signal
representation
Prior art date
Application number
ARP100102243A
Other languages
English (en)
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
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of AR077226A1 publication Critical patent/AR077226A1/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
    • G10L19/04—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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements
    • G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/155—Musical effects
    • G10H2210/265—Acoustic effect simulation, i.e. volume, spatial, resonance or reverberation effects added to a musical sound, usually by appropriate filtering or delays
    • G10H2210/295—Spatial effects, musical uses of multiple audio channels, e.g. stereo
    • G10H2210/301—Soundscape or sound field simulation, reproduction or control for musical purposes, e.g. surround or 3D sound; Granular synthesis
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

Un decodificador de senales de audio para producir una representacion de senal de mezcla ascendente dependiendo de una representacion de senal de mezcla descendente e informacion paramétrica relacionada con los objetos comprende un separador de objetos configurado para descomponer la representacion de senal de mezcla descendente, a fin de proporcionar una primera informacion de audio que describe una primera serie de uno o más objetos de audio de un primer tipo de objetos de audio y una segunda informacion de audio que describe una segunda serie de uno o más objetos de audio de un segundo tipo de objetos de audio, que depende de la representacion de la senal de mezcla descendente y usar por lo menos parte de la informacion paramétrica relacionada con los objetos. El decodificador de senales de audio comprende asimismo un procesador de senales de audio configurado para recibir la segunda informacion de audio y para procesar la segunda informacion de audio dependiendo de la informacion paramétrica relacionada con los objetos, para obtener una version procesada de la segunda informacion de audio. El decodificador de senales de audio comprende asimismo un combinador de senales de audio configurado para combinar la primera informacion de audio con la version procesada de la segunda informacion de audio, para obtener la representacion de senal de mezcla ascendente.
ARP100102243A 2009-06-24 2010-06-24 Decodificador de senales de audio, metodo para decodificar una senal de audio y programa de computacion que utiliza etapas en cascada de procesamiento de objetos de audio AR077226A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22004209P 2009-06-24 2009-06-24

Publications (1)

Publication Number Publication Date
AR077226A1 true AR077226A1 (es) 2011-08-10

Family

ID=42665723

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP100102243A AR077226A1 (es) 2009-06-24 2010-06-24 Decodificador de senales de audio, metodo para decodificar una senal de audio y programa de computacion que utiliza etapas en cascada de procesamiento de objetos de audio

Country Status (19)

Country Link
US (1) US8958566B2 (es)
EP (2) EP2446435B1 (es)
JP (1) JP5678048B2 (es)
KR (1) KR101388901B1 (es)
CN (3) CN102460573B (es)
AR (1) AR077226A1 (es)
AU (1) AU2010264736B2 (es)
BR (1) BRPI1009648B1 (es)
CA (2) CA2855479C (es)
CO (1) CO6480949A2 (es)
ES (2) ES2426677T3 (es)
MX (1) MX2011013829A (es)
MY (1) MY154078A (es)
PL (2) PL2446435T3 (es)
RU (1) RU2558612C2 (es)
SG (1) SG177277A1 (es)
TW (1) TWI441164B (es)
WO (1) WO2010149700A1 (es)
ZA (1) ZA201109112B (es)

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MX2011013829A (es) 2012-03-07
ES2426677T3 (es) 2013-10-24
PL2535892T3 (pl) 2015-03-31
ZA201109112B (en) 2012-08-29
AU2010264736B2 (en) 2014-03-27
CN103474077A (zh) 2013-12-25
EP2446435A1 (en) 2012-05-02
TWI441164B (zh) 2014-06-11
HK1170329A1 (en) 2013-02-22
CN102460573A (zh) 2012-05-16
RU2012101652A (ru) 2013-08-20
CA2855479C (en) 2016-09-13
CN103489449B (zh) 2017-04-12
CN102460573B (zh) 2014-08-20
MY154078A (en) 2015-04-30
CA2766727C (en) 2016-07-05
CA2766727A1 (en) 2010-12-29
SG177277A1 (en) 2012-02-28
JP2012530952A (ja) 2012-12-06
BRPI1009648A2 (pt) 2016-03-15
CN103474077B (zh) 2016-08-10
ES2524428T3 (es) 2014-12-09
JP5678048B2 (ja) 2015-02-25
HK1180100A1 (en) 2013-10-11
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