MX2013008364A - Codificacion y decodificacion de posiciones de ranuras de eventos en un marco de una señal de audio. - Google Patents

Codificacion y decodificacion de posiciones de ranuras de eventos en un marco de una señal de audio.

Info

Publication number
MX2013008364A
MX2013008364A MX2013008364A MX2013008364A MX2013008364A MX 2013008364 A MX2013008364 A MX 2013008364A MX 2013008364 A MX2013008364 A MX 2013008364A MX 2013008364 A MX2013008364 A MX 2013008364A MX 2013008364 A MX2013008364 A MX 2013008364A
Authority
MX
Mexico
Prior art keywords
audio signal
slots
decoding
events
signal frame
Prior art date
Application number
MX2013008364A
Other languages
English (en)
Inventor
Sascha Disch
Achim Kuntz
Tom Baeckstroem
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 MX2013008364A publication Critical patent/MX2013008364A/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
    • G10L19/04—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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)

Abstract

Un aparato para decodificar (10; 40; 60; 410), un aparato para codificar (510), un método para decodificar y un método para codificar posiciones de las ranuras que comprenden eventos en un marco de una señal de audio y respectivos programas de computación y señales codificadas, donde el aparato para decodificar (10; 40; 60; 410) comprende: una unidad de análisis (20; 42; 70; 420) para analizar un número de ranuras del marco que indica el total de ranuras del marco de señales de audio, un número de ranuras de evento que indica el número de ranuras que comprenden eventos del marco de señales de audio, y un número de estados de evento, y una unidad generadora (30; 45; 80; 430) para generar una indicación de una pluralidad de posiciones de las ranuras que comprenden eventos en el marco de señales de audio usando el número de ranuras del marco, el número de ranuras de evento y el número de estados de evento.
MX2013008364A 2011-01-18 2012-01-17 Codificacion y decodificacion de posiciones de ranuras de eventos en un marco de una señal de audio. MX2013008364A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161433803P 2011-01-18 2011-01-18
EP11172791A EP2477188A1 (en) 2011-01-18 2011-07-06 Encoding and decoding of slot positions of events in an audio signal frame
PCT/EP2012/050613 WO2012098098A1 (en) 2011-01-18 2012-01-17 Encoding and decoding of slot positions of events in an audio signal frame

Publications (1)

Publication Number Publication Date
MX2013008364A true MX2013008364A (es) 2013-08-12

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MX2013008364A MX2013008364A (es) 2011-01-18 2012-01-17 Codificacion y decodificacion de posiciones de ranuras de eventos en un marco de una señal de audio.

Country Status (15)

Country Link
US (1) US9502040B2 (es)
EP (2) EP2477188A1 (es)
JP (1) JP5818913B2 (es)
KR (1) KR101657251B1 (es)
CN (1) CN103620677B (es)
AR (1) AR084873A1 (es)
AU (1) AU2012208673B2 (es)
BR (1) BR112013018362B1 (es)
CA (1) CA2824935C (es)
MX (1) MX2013008364A (es)
MY (1) MY155887A (es)
SG (1) SG191988A1 (es)
TW (1) TWI485699B (es)
WO (1) WO2012098098A1 (es)
ZA (1) ZA201306173B (es)

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CN117690442A (zh) * 2017-07-28 2024-03-12 弗劳恩霍夫应用研究促进协会 用于使用宽频带滤波器生成的填充信号对已编码的多声道信号进行编码或解码的装置
US10594869B2 (en) 2017-08-03 2020-03-17 Bose Corporation Mitigating impact of double talk for residual echo suppressors
US10200540B1 (en) * 2017-08-03 2019-02-05 Bose Corporation Efficient reutilization of acoustic echo canceler channels
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Also Published As

Publication number Publication date
CN103620677A (zh) 2014-03-05
CA2824935A1 (en) 2012-07-26
AU2012208673B2 (en) 2015-05-14
BR112013018362A2 (pt) 2016-10-04
KR101657251B1 (ko) 2016-09-13
US20130304480A1 (en) 2013-11-14
JP2014508316A (ja) 2014-04-03
CN103620677B (zh) 2015-10-14
AU2012208673A1 (en) 2013-08-29
RU2013138354A (ru) 2015-02-27
WO2012098098A1 (en) 2012-07-26
EP2666161A1 (en) 2013-11-27
KR20130133833A (ko) 2013-12-09
ZA201306173B (en) 2014-04-30
US9502040B2 (en) 2016-11-22
BR112013018362B1 (pt) 2021-01-19
SG191988A1 (en) 2013-08-30
EP2477188A1 (en) 2012-07-18
MY155887A (en) 2015-12-15
TWI485699B (zh) 2015-05-21
JP5818913B2 (ja) 2015-11-18
CA2824935C (en) 2016-08-30
TW201248619A (en) 2012-12-01
AR084873A1 (es) 2013-07-10

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