BR122020007932B1 - Dispositivo de processamento de áudio e método para decodificar um ou mais quadros de um fluxo de bits de áudio codificado - Google Patents

Dispositivo de processamento de áudio e método para decodificar um ou mais quadros de um fluxo de bits de áudio codificado Download PDF

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Publication number
BR122020007932B1
BR122020007932B1 BR122020007932-0A BR122020007932A BR122020007932B1 BR 122020007932 B1 BR122020007932 B1 BR 122020007932B1 BR 122020007932 A BR122020007932 A BR 122020007932A BR 122020007932 B1 BR122020007932 B1 BR 122020007932B1
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BR
Brazil
Prior art keywords
audio
metadata
bitstream
drc
level
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BR122020007932-0A
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English (en)
Portuguese (pt)
Inventor
Jeffrey Riedmiller
Scott Gregory Norcross
Karl Jonas Roeden
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Dolby International Ab
Dolby Laboratories Licensing Corporation
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Application filed by Dolby International Ab, Dolby Laboratories Licensing Corporation filed Critical Dolby International Ab
Publication of BR122020007932B1 publication Critical patent/BR122020007932B1/pt

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    • 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
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
    • 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
    • G10L13/00—Speech synthesis; Text to speech systems
    • G10L13/02—Methods for producing synthetic speech; Speech synthesisers
    • G10L13/033—Voice editing, e.g. manipulating the voice of the synthesiser
    • 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
    • G10L15/00—Speech recognition
    • G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
    • 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
    • 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
    • G10L21/0324—Details of processing therefor
    • G10L21/034—Automatic adjustment
    • 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
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • G10L25/60—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for measuring the quality of voice 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
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Theoretical Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Otolaryngology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
BR122020007932-0A 2013-01-21 2014-01-15 Dispositivo de processamento de áudio e método para decodificar um ou mais quadros de um fluxo de bits de áudio codificado BR122020007932B1 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361754882P 2013-01-21 2013-01-21
US61/754,882 2013-01-21
US201361809250P 2013-04-05 2013-04-05
US61/809,250 2013-04-05
US201361824010P 2013-05-16 2013-05-16
US61/824,010 2013-05-16
PCT/US2014/011681 WO2014113471A1 (en) 2013-01-21 2014-01-15 System and method for optimizing loudness and dynamic range across different playback devices

Publications (1)

Publication Number Publication Date
BR122020007932B1 true BR122020007932B1 (pt) 2022-09-27

Family

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Family Applications (3)

Application Number Title Priority Date Filing Date
BR112015017064-1A BR112015017064B1 (pt) 2013-01-21 2014-01-15 Método, meio legível em computador e aparelho para otimizar o nível de intensidade do som e a faixa dinâmica através de dispositivos de reprodução diferentes
BR122020007931-2A BR122020007931B1 (pt) 2013-01-21 2014-01-15 Dispositivo de processamento de áudio e método para decodificar um ou mais quadros de um fluxo de bits de áudio codificado
BR122020007932-0A BR122020007932B1 (pt) 2013-01-21 2014-01-15 Dispositivo de processamento de áudio e método para decodificar um ou mais quadros de um fluxo de bits de áudio codificado

Family Applications Before (2)

Application Number Title Priority Date Filing Date
BR112015017064-1A BR112015017064B1 (pt) 2013-01-21 2014-01-15 Método, meio legível em computador e aparelho para otimizar o nível de intensidade do som e a faixa dinâmica através de dispositivos de reprodução diferentes
BR122020007931-2A BR122020007931B1 (pt) 2013-01-21 2014-01-15 Dispositivo de processamento de áudio e método para decodificar um ou mais quadros de um fluxo de bits de áudio codificado

Country Status (10)

Country Link
US (6) US9841941B2 (enExample)
EP (3) EP2946469B1 (enExample)
JP (8) JP6129348B2 (enExample)
KR (8) KR102194120B1 (enExample)
CN (4) CN109036443B (enExample)
BR (3) BR112015017064B1 (enExample)
ES (2) ES3049642T3 (enExample)
IN (1) IN2015MN01766A (enExample)
RU (2) RU2665873C1 (enExample)
WO (1) WO2014113471A1 (enExample)

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