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MX2013006150A - Aparato y método para la codificación de audio espacial basada en la geometría. - Google Patents

Aparato y método para la codificación de audio espacial basada en la geometría.

Info

Publication number
MX2013006150A
MX2013006150A MX2013006150A MX2013006150A MX2013006150A MX 2013006150 A MX2013006150 A MX 2013006150A MX 2013006150 A MX2013006150 A MX 2013006150A MX 2013006150 A MX2013006150 A MX 2013006150A MX 2013006150 A MX2013006150 A MX 2013006150A
Authority
MX
Mexico
Prior art keywords
audio data
sound sources
geometry
audio coding
spatial audio
Prior art date
Application number
MX2013006150A
Other languages
English (en)
Other versions
MX338525B (es
Inventor
Oliver Thiergart
Jürgen Herre
Fabian Kuech
Galdo Giovanni Del
Emanuel Habets
Alexandra Craciun
Achim Kuntz
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 MX2013006150A publication Critical patent/MX2013006150A/es
Publication of MX338525B publication Critical patent/MX338525B/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 proporciona un aparato para generar al menos una señal salida de audio basada en una corriente de datos de audio que comprende datos de audio relacionados a una o más fuentes de sonido. El aparato comprende un receptor para recibir la corriente de datos de audio que comprende los datos de audio. Los datos de audio comprenden uno o más valores de presión para cada una de las fuentes de sonido. Además, los datos de audio comprenden uno o más valores de posición que indican una posición de una de las fuentes de sonido para cada una de las fuentes de sonido. Además, el aparato comprende un módulo de síntesis para generar la al menos una señal de salida de audio basada en al menos uno del uno o más valores de presión de los datos de audio de la corriente de datos de audio y en base en al menos uno de los uno o más valores de posición de los datos de audio de la corriente de datos de audio.
MX2013006150A 2010-12-03 2011-12-02 Aparato y método para la codificación de audio espacial basada en la geometría. MX338525B (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 (2)

Publication Number Publication Date
MX2013006150A true MX2013006150A (es) 2014-03-12
MX338525B MX338525B (es) 2016-04-20

Family

ID=45406686

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2013006068A MX2013006068A (es) 2010-12-03 2011-12-02 Adquisicion de sonido, mediante la extraccion de informacion geometrica de estimativos de direccion de llegada.
MX2013006150A MX338525B (es) 2010-12-03 2011-12-02 Aparato y método para la codificación de audio espacial basada en la geometría.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2013006068A MX2013006068A (es) 2010-12-03 2011-12-02 Adquisicion de sonido, mediante la extraccion de informacion geometrica de estimativos de direccion de llegada.

Country Status (15)

Country Link
US (2) US9396731B2 (es)
EP (2) EP2647005B1 (es)
JP (2) JP5878549B2 (es)
KR (2) KR101442446B1 (es)
CN (2) CN103583054B (es)
AR (2) AR084091A1 (es)
AU (2) AU2011334857B2 (es)
BR (1) BR112013013681B1 (es)
CA (2) CA2819394C (es)
ES (2) ES2525839T3 (es)
MX (2) MX2013006068A (es)
PL (1) PL2647222T3 (es)
RU (2) RU2570359C2 (es)
TW (2) TWI489450B (es)
WO (2) WO2012072804A1 (es)

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