MX343571B - Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. - Google Patents

Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.

Info

Publication number
MX343571B
MX343571B MX2016004803A MX2016004803A MX343571B MX 343571 B MX343571 B MX 343571B MX 2016004803 A MX2016004803 A MX 2016004803A MX 2016004803 A MX2016004803 A MX 2016004803A MX 343571 B MX343571 B MX 343571B
Authority
MX
Mexico
Prior art keywords
bitstream
audio
program
decoder
metadata
Prior art date
Application number
MX2016004803A
Other languages
English (en)
Inventor
Michael Grant
Scott Gregory Norcross
Jeffrey Riedmiller
Michael Ward
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 MX343571B publication Critical patent/MX343571B/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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/04—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)

Abstract

Aparatos y métodos para generar un flujo de bits de audio codificado, que incluyen incluir metadatos de sonoridad de programa y datos de audio en el flujo de bits, y opcionalmente también metadatos de límite de programa en al menos un segmento (por ejemplo, trama) del flujo de bits. Otros aspectos son aparatos y métodos para decodificar dicho flujo de bits, por ejemplo, que incluye mediante la realización de procesamiento de sonoridad adaptativo de los datos de audio de un programa de audio indicado por el flujo de bits, o autenticación y/o validación de metadatos y/o datos de audio de dicho programa de audio. Otro aspecto es una unidad de procesamiento de audio (por ejemplo, un codificador, decodificador o postprocesador) configurado (por ejemplo, programado) para que realice cualquier modalidad del método o que incluye una memoria intermedia que almacena al menos una trama de un flujo de bits de audio generado de acuerdo con cualquier modalidad del método.
MX2016004803A 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de limite y sonoridad de programa. MX343571B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361754882P 2013-01-21 2013-01-21
US201361824010P 2013-05-16 2013-05-16
PCT/US2014/011672 WO2014113465A1 (en) 2013-01-21 2014-01-15 Audio encoder and decoder with program loudness and boundary metadata

Publications (1)

Publication Number Publication Date
MX343571B true MX343571B (es) 2016-11-09

Family

ID=51210033

Family Applications (6)

Application Number Title Priority Date Filing Date
MX2016004804A MX356196B (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de límite y sonoridad de programa.
MX2018006149A MX2018006149A (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.
MX2021011251A MX2021011251A (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de límite y sonoridad de programa.
MX2015004468A MX339611B (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.
MX2016004803A MX343571B (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.
MX2022013535A MX2022013535A (es) 2013-01-21 2015-04-09 Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.

Family Applications Before (4)

Application Number Title Priority Date Filing Date
MX2016004804A MX356196B (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de límite y sonoridad de programa.
MX2018006149A MX2018006149A (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.
MX2021011251A MX2021011251A (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de límite y sonoridad de programa.
MX2015004468A MX339611B (es) 2013-01-21 2014-01-15 Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2022013535A MX2022013535A (es) 2013-01-21 2015-04-09 Codificador y decodificador de audio con metadatos de limite y sonoridad de programa.

Country Status (22)

Country Link
US (6) US9916838B2 (es)
EP (3) EP2901449B1 (es)
JP (9) JP6212565B2 (es)
KR (8) KR102183712B1 (es)
CN (2) CN104737228B (es)
AU (1) AU2014207590B2 (es)
BR (5) BR112015007723B1 (es)
CA (1) CA2888350C (es)
DK (1) DK2901449T3 (es)
ES (4) ES2749089T3 (es)
HK (3) HK1212091A1 (es)
HU (1) HUE036119T2 (es)
IL (9) IL287218B (es)
MX (6) MX356196B (es)
MY (2) MY193854A (es)
PL (1) PL2901449T3 (es)
RU (3) RU2719690C2 (es)
SG (2) SG11201502405RA (es)
TR (1) TR201802631T4 (es)
TW (10) TWI636454B (es)
UA (3) UA112249C2 (es)
WO (1) WO2014113465A1 (es)

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