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MX2022015201A - Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente. - Google Patents

Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente.

Info

Publication number
MX2022015201A
MX2022015201A MX2022015201A MX2022015201A MX2022015201A MX 2022015201 A MX2022015201 A MX 2022015201A MX 2022015201 A MX2022015201 A MX 2022015201A MX 2022015201 A MX2022015201 A MX 2022015201A MX 2022015201 A MX2022015201 A MX 2022015201A
Authority
MX
Mexico
Prior art keywords
decoder
program information
bitstream
audio encoder
structure metadata
Prior art date
Application number
MX2022015201A
Other languages
English (en)
Inventor
Michael Ward
Jeffrey Riedmiller
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of MX2022015201A publication Critical patent/MX2022015201A/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
    • G10L19/008—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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • G10L19/22—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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Information Transfer Systems (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

Aparatos y métodos para generar Corrientes de bits de audio codificadas, incluyendo metadatos de la estructura de la corriente (SSM) y/o metadatos de programa de información (PIM) y datos de audio en la corriente de bits. Otros aspectos son aparatos y métodos para decodificar dicha corriente de bits y una unidad de procesamiento de audio (por ejemplo, un codificador, decodificador o postprocesador) configurada (por, ejemplo, programada) par a realizar cualquier modalidad del método o el que incluya la memoria buffer que almacena al menos una trama de una corriente de bits de audio generada de acuerdo con cualquier modalidad del método.
MX2022015201A 2013-06-19 2016-10-19 Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente. MX2022015201A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201361836865P 2013-06-19 2013-06-19

Publications (1)

Publication Number Publication Date
MX2022015201A true MX2022015201A (es) 2023-01-11

Family

ID=49112574

Family Applications (5)

Application Number Title Priority Date Filing Date
MX2021012890A MX2021012890A (es) 2013-06-19 2014-06-12 Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente.
MX2015010477A MX342981B (es) 2013-06-19 2014-06-12 Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente.
MX2016013745A MX367355B (es) 2013-06-19 2014-06-12 Codificador y decodificador de audio con programa de información o metadatos de la estructura de la subcorriente.
MX2019009765A MX387271B (es) 2013-06-19 2014-06-12 Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente
MX2022015201A MX2022015201A (es) 2013-06-19 2016-10-19 Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente.

Family Applications Before (4)

Application Number Title Priority Date Filing Date
MX2021012890A MX2021012890A (es) 2013-06-19 2014-06-12 Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente.
MX2015010477A MX342981B (es) 2013-06-19 2014-06-12 Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente.
MX2016013745A MX367355B (es) 2013-06-19 2014-06-12 Codificador y decodificador de audio con programa de información o metadatos de la estructura de la subcorriente.
MX2019009765A MX387271B (es) 2013-06-19 2014-06-12 Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente

Country Status (24)

Country Link
US (8) US10037763B2 (es)
EP (3) EP3680900A1 (es)
JP (8) JP3186472U (es)
KR (7) KR200478147Y1 (es)
CN (10) CN110473559B (es)
AU (1) AU2014281794B9 (es)
BR (6) BR122017012321B1 (es)
CA (1) CA2898891C (es)
CL (1) CL2015002234A1 (es)
DE (1) DE202013006242U1 (es)
ES (2) ES2674924T3 (es)
FR (1) FR3007564B3 (es)
HK (3) HK1204135A1 (es)
IL (1) IL239687A (es)
IN (1) IN2015MN01765A (es)
MX (5) MX2021012890A (es)
MY (2) MY192322A (es)
PL (1) PL2954515T3 (es)
RU (4) RU2619536C1 (es)
SG (3) SG10201604619RA (es)
TR (1) TR201808580T4 (es)
TW (12) TWM487509U (es)
UA (1) UA111927C2 (es)
WO (1) WO2014204783A1 (es)

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