UA105277C2 - Способ для неразрушающей нормализации громкости аудиосигналов в портативных устройствах, устройство, содержащее средства для выполнения этапов способа, и носитель данных, записывающий программу инструкций, выполняемую устройством для выполнения этапов способа - Google Patents

Способ для неразрушающей нормализации громкости аудиосигналов в портативных устройствах, устройство, содержащее средства для выполнения этапов способа, и носитель данных, записывающий программу инструкций, выполняемую устройством для выполнения этапов способа

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Publication number
UA105277C2
UA105277C2 UAA201210385A UAA201210385A UA105277C2 UA 105277 C2 UA105277 C2 UA 105277C2 UA A201210385 A UAA201210385 A UA A201210385A UA A201210385 A UAA201210385 A UA A201210385A UA 105277 C2 UA105277 C2 UA 105277C2
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UA
Ukraine
Prior art keywords
playback
destructive
executable
instructions
implementation
Prior art date
Application number
UAA201210385A
Other languages
English (en)
Ukrainian (uk)
Inventor
Джеффри С. Ридмиллер
Харальд Х. Мундт
Михель Шуг
Мартин Вольтерс
Original Assignee
Долби Лабораторис Лайсензин Корпорейшн
Долби Интернешнл Аб
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.)
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Application filed by Долби Лабораторис Лайсензин Корпорейшн, Долби Интернешнл Аб filed Critical Долби Лабораторис Лайсензин Корпорейшн
Publication of UA105277C2 publication Critical patent/UA105277C2/ru

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • 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
    • G10L19/02—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
    • 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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3089—Control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

Много портативных устройств не могут декодировать и воссоздавать кодированный аудиоконтент, имеющий широкую полосу пропуска и широкий динамический диапазон с постоянной громкостью и разборчивостью, если кодированный аудиоконтент не был специально подготовлен для этих устройств. Эта проблема может быть решена включением в кодированный контент некоторых метаданных, которые определяют пригодный профиль сжатия динамического диапазона за каждым из абсолютных значений или дифференциальных значений относительно другого известного профиля сжатия. Устройство воспроизведения может также адоптивно применять усиление и ограничение к воспроизведенному аудио.
UAA201210385A 2010-02-11 2011-02-03 Способ для неразрушающей нормализации громкости аудиосигналов в портативных устройствах, устройство, содержащее средства для выполнения этапов способа, и носитель данных, записывающий программу инструкций, выполняемую устройством для выполнения этапов способа UA105277C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30364310P 2010-02-11 2010-02-11
PCT/US2011/023531 WO2011100155A1 (en) 2010-02-11 2011-02-03 System and method for non-destructively normalizing loudness of audio signals within portable devices

Publications (1)

Publication Number Publication Date
UA105277C2 true UA105277C2 (ru) 2014-04-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
UAA201210385A UA105277C2 (ru) 2010-02-11 2011-02-03 Способ для неразрушающей нормализации громкости аудиосигналов в портативных устройствах, устройство, содержащее средства для выполнения этапов способа, и носитель данных, записывающий программу инструкций, выполняемую устройством для выполнения этапов способа

Country Status (18)

Country Link
US (8) US8903729B2 (ru)
EP (3) EP2534656B1 (ru)
JP (2) JP5666625B2 (ru)
KR (1) KR101381588B1 (ru)
CN (2) CN103795364B (ru)
AR (1) AR080156A1 (ru)
BR (2) BR112012019880B1 (ru)
CA (6) CA3075793C (ru)
CL (1) CL2012002213A1 (ru)
CO (1) CO6511277A2 (ru)
EA (1) EA023730B9 (ru)
ES (1) ES2916403T3 (ru)
MX (1) MX2012008954A (ru)
MY (1) MY169981A (ru)
SG (1) SG182632A1 (ru)
TW (2) TWI447709B (ru)
UA (1) UA105277C2 (ru)
WO (1) WO2011100155A1 (ru)

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