BR122022004787B1 - Método, meio legível por computador não transitório e aparelho para decodificação em um sistema de processamento de áudio multicanal - Google Patents

Método, meio legível por computador não transitório e aparelho para decodificação em um sistema de processamento de áudio multicanal Download PDF

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BR122022004787B1
BR122022004787B1 BR122022004787-4A BR122022004787A BR122022004787B1 BR 122022004787 B1 BR122022004787 B1 BR 122022004787B1 BR 122022004787 A BR122022004787 A BR 122022004787A BR 122022004787 B1 BR122022004787 B1 BR 122022004787B1
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signals
frequency
stage
waveform
signal
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BR122022004787-4A
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BR122022004787A2 (https=
BR122022004787A8 (pt
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Kristofer Kjoerling
Heiko Purnhagen
Harald MUNDT
Karl Jonas Roeden
Leif Sehlstrom
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Dolby International Ab
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    • 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
    • G10L19/02—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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Error Detection And Correction (AREA)
BR122022004787-4A 2013-04-05 2014-04-04 Método, meio legível por computador não transitório e aparelho para decodificação em um sistema de processamento de áudio multicanal BR122022004787B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361808680P 2013-04-05 2013-04-05
US61/808,680 2013-04-05
PCT/EP2014/056852 WO2014161992A1 (en) 2013-04-05 2014-04-04 Audio encoder and decoder

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BR122022004787A2 BR122022004787A2 (https=) 2017-07-18
BR122022004787A8 BR122022004787A8 (pt) 2022-09-06
BR122022004787B1 true BR122022004787B1 (pt) 2022-10-18

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BR122022004787-4A BR122022004787B1 (pt) 2013-04-05 2014-04-04 Método, meio legível por computador não transitório e aparelho para decodificação em um sistema de processamento de áudio multicanal
BR122022004786-6A BR122022004786B1 (pt) 2013-04-05 2014-04-04 Método e decodificador de áudio para decodificar um quadro de tempo de um fluxo de bits de áudio codificado em um sistema de processamento de áudio, e meio legível por computador não transitório
BR122021004537-2A BR122021004537B1 (pt) 2013-04-05 2014-04-04 Método de codificação para um sistema de processamento de áudio de múltiplos canais para codificar m canais, meio legível por computador e codificador para um sistema de processamento de áudio de múltiplos canais para codificar m canais
BR122022004784A BR122022004784B8 (pt) 2013-04-05 2014-04-04 Método de decodificação em um sistema de processamento de áudio de múltiplos canais e decodificador para um sistema de processamento de áudio de múltiplos canais
BR122017006819-9A BR122017006819B1 (pt) 2013-04-05 2014-04-04 Método para decodificar um período de tempo de um fluxo de bits de áudio codificado em um sistema de processamento de áudio, decodificador de áudio para decodificar um fluxo de bits de áudio codificado e meio legível por computador não transitório
BR112015019711-6A BR112015019711B1 (pt) 2013-04-05 2014-04-04 Método de decodificação em um sistema de processamento de áudio de múltiplos canais, decodificador para um sistema de processamento de áudio de múltiplos canais, método de codificação em um sistema de processamento de áudio de múltiplos canais e codificador para um sistema de processamento de áudio de múltiplos canais
BR122020017065-4A BR122020017065B1 (pt) 2013-04-05 2014-04-04 Método de decodificação em um sistema de processamento de áudio de múltiplos canais e decodificador para um sistema de processamento de áudio de múltiplos canais

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BR122021004537-2A BR122021004537B1 (pt) 2013-04-05 2014-04-04 Método de codificação para um sistema de processamento de áudio de múltiplos canais para codificar m canais, meio legível por computador e codificador para um sistema de processamento de áudio de múltiplos canais para codificar m canais
BR122022004784A BR122022004784B8 (pt) 2013-04-05 2014-04-04 Método de decodificação em um sistema de processamento de áudio de múltiplos canais e decodificador para um sistema de processamento de áudio de múltiplos canais
BR122017006819-9A BR122017006819B1 (pt) 2013-04-05 2014-04-04 Método para decodificar um período de tempo de um fluxo de bits de áudio codificado em um sistema de processamento de áudio, decodificador de áudio para decodificar um fluxo de bits de áudio codificado e meio legível por computador não transitório
BR112015019711-6A BR112015019711B1 (pt) 2013-04-05 2014-04-04 Método de decodificação em um sistema de processamento de áudio de múltiplos canais, decodificador para um sistema de processamento de áudio de múltiplos canais, método de codificação em um sistema de processamento de áudio de múltiplos canais e codificador para um sistema de processamento de áudio de múltiplos canais
BR122020017065-4A BR122020017065B1 (pt) 2013-04-05 2014-04-04 Método de decodificação em um sistema de processamento de áudio de múltiplos canais e decodificador para um sistema de processamento de áudio de múltiplos canais

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US (7) US9489957B2 (https=)
EP (3) EP2954519B1 (https=)
JP (8) JP6031201B2 (https=)
KR (7) KR102142837B1 (https=)
CN (2) CN105308680B (https=)
AU (1) AU2014247001B2 (https=)
BR (7) BR122022004787B1 (https=)
CA (1) CA2900743C (https=)
DK (1) DK2954519T3 (https=)
ES (2) ES2619117T3 (https=)
HU (1) HUE031660T2 (https=)
IL (1) IL240117A0 (https=)
MX (4) MX391551B (https=)
MY (4) MY204463A (https=)
PL (1) PL2954519T3 (https=)
RU (2) RU2641265C1 (https=)
SG (1) SG11201506139YA (https=)
TW (1) TWI546799B (https=)
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