AR084160A1 - Aparato y metodo para codificacion de audio espacial basada en la geometria - Google Patents

Aparato y metodo para codificacion de audio espacial basada en la geometria

Info

Publication number
AR084160A1
AR084160A1 ARP110104544A ARP110104544A AR084160A1 AR 084160 A1 AR084160 A1 AR 084160A1 AR P110104544 A ARP110104544 A AR P110104544A AR P110104544 A ARP110104544 A AR P110104544A AR 084160 A1 AR084160 A1 AR 084160A1
Authority
AR
Argentina
Prior art keywords
audio data
geometry
sound sources
audio coding
coding based
Prior art date
Application number
ARP110104544A
Other languages
English (en)
Original Assignee
Fraunhofer Ges Forschung
Univ Friedrich Alexander Er
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, Univ Friedrich Alexander Er filed Critical Fraunhofer Ges Forschung
Publication of AR084160A1 publication Critical patent/AR084160A1/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
    • 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
    • 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
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/326—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
    • H04R2430/21—Direction finding using differential microphone array [DMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Otolaryngology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

Se presenta un aparato para generar por lo menos una señal de salida de audio sobre la base de un flujo de datos de audio que comprende datos de audio relacionados con una o más fuentes de sonido. El aparato comprende un receptor para recibir el flujo de datos de audio que comprende los datos de audio. Los datos de audio comprenden uno o más valores de presión por cada una de las fuentes de sonido. Más aun, los datos de audio comprenden uno o más valores de posición que indican una posición de una de las fuentes sonoras por cada una de las fuentes de sonido. Más aun, el aparato comprende un módulo de síntesis para generar dicha por lo menos una señal de salida de audio sobre la base de por lo menos uno de dichos uno o más valores de presión de los datos de audio del flujo de datos de audio y sobre la base de por lo menos uno de dichos uno o más valores de posición de los datos de audio del flujo de datos de audio.
ARP110104544A 2010-12-03 2011-12-05 Aparato y metodo para codificacion de audio espacial basada en la geometria AR084160A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41962310P 2010-12-03 2010-12-03
US42009910P 2010-12-06 2010-12-06
PCT/EP2011/071644 WO2012072804A1 (en) 2010-12-03 2011-12-02 Apparatus and method for geometry-based spatial audio coding

Publications (1)

Publication Number Publication Date
AR084160A1 true AR084160A1 (es) 2013-04-24

Family

ID=45406686

Family Applications (2)

Application Number Title Priority Date Filing Date
ARP110104509A AR084091A1 (es) 2010-12-03 2011-12-02 Adquisicion de sonido mediante la extraccion de informacion geometrica de estimativos de direccion de llegada
ARP110104544A AR084160A1 (es) 2010-12-03 2011-12-05 Aparato y metodo para codificacion de audio espacial basada en la geometria

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ARP110104509A AR084091A1 (es) 2010-12-03 2011-12-02 Adquisicion de sonido mediante la extraccion de informacion geometrica de estimativos de direccion de llegada

Country Status (16)

Country Link
US (2) US9396731B2 (es)
EP (2) EP2647222B1 (es)
JP (2) JP5728094B2 (es)
KR (2) KR101619578B1 (es)
CN (2) CN103583054B (es)
AR (2) AR084091A1 (es)
AU (2) AU2011334851B2 (es)
BR (1) BR112013013681B1 (es)
CA (2) CA2819394C (es)
ES (2) ES2643163T3 (es)
HK (1) HK1190490A1 (es)
MX (2) MX338525B (es)
PL (1) PL2647222T3 (es)
RU (2) RU2556390C2 (es)
TW (2) TWI530201B (es)
WO (2) WO2012072798A1 (es)

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