RU2596596C2 - Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая зависимое от диапазона арифметическое кодирующее правило отображения - Google Patents

Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая зависимое от диапазона арифметическое кодирующее правило отображения Download PDF

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RU2596596C2
RU2596596C2 RU2012122278/08A RU2012122278A RU2596596C2 RU 2596596 C2 RU2596596 C2 RU 2596596C2 RU 2012122278/08 A RU2012122278/08 A RU 2012122278/08A RU 2012122278 A RU2012122278 A RU 2012122278A RU 2596596 C2 RU2596596 C2 RU 2596596C2
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value
spectral
audio
frequency
context
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RU2012122278A (ru
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Гильом ФУШ
Вигнеш СУББАРАМАН
Николаус РЕТТЕЛЬБАХ
Маркус МУЛТРУС
Марк ГАЙЕР
Патрик ВАМРБОЛД
Кристиан ГРИЕБЕЛ
Оливер ВЕИСС
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Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф.
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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
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • G10L19/0204—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

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  • 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)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
RU2012122278/08A 2009-10-20 2010-10-19 Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая зависимое от диапазона арифметическое кодирующее правило отображения RU2596596C2 (ru)

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US25345909P 2009-10-20 2009-10-20
US61/253,459 2009-10-20
PCT/EP2010/065726 WO2011048099A1 (en) 2009-10-20 2010-10-19 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule

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RU2012122275/08A RU2605677C2 (ru) 2009-10-20 2010-10-19 Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая итеративное уменьшение размера интервала
RU2012122277/08A RU2591663C2 (ru) 2009-10-20 2010-10-19 Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений

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RU2012122277/08A RU2591663C2 (ru) 2009-10-20 2010-10-19 Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений

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US11127408B2 (en) 2017-11-10 2021-09-21 Fraunhofer—Gesellschaft zur F rderung der angewandten Forschung e.V. Temporal noise shaping
US11217261B2 (en) 2017-11-10 2022-01-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding audio signals
RU2769218C2 (ru) * 2017-11-10 2022-03-29 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодеры, аудиодекодеры, способы и компьютерные программы, применяющие кодирование и декодирование младших значащих битов
US11315580B2 (en) 2017-11-10 2022-04-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
US11380341B2 (en) 2017-11-10 2022-07-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
US11462226B2 (en) 2017-11-10 2022-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
US11545167B2 (en) 2017-11-10 2023-01-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
US11562754B2 (en) 2017-11-10 2023-01-24 Fraunhofer-Gesellschaft Zur F Rderung Der Angewandten Forschung E.V. Analysis/synthesis windowing function for modulated lapped transformation

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MX2012004569A (es) 2012-06-08
KR20120074310A (ko) 2012-07-05
AU2010309821A1 (en) 2012-06-07
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US20120278086A1 (en) 2012-11-01
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RU2012122278A (ru) 2013-11-27
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US20240412740A1 (en) 2024-12-12
KR20120074306A (ko) 2012-07-05
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US20180174593A1 (en) 2018-06-21
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US20240412743A1 (en) 2024-12-12
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US8706510B2 (en) 2014-04-22
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ZA201203609B (en) 2013-01-30
US20120265540A1 (en) 2012-10-18
EP2491554B1 (en) 2014-03-05
US12080300B2 (en) 2024-09-03
JP5589084B2 (ja) 2014-09-10
PT2491553T (pt) 2017-01-20
US20140081645A1 (en) 2014-03-20
CA2907353C (en) 2018-02-06
BR112012009445A2 (pt) 2022-03-03
JP5707410B2 (ja) 2015-04-30
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CA2907353A1 (en) 2011-04-28
US20120330670A1 (en) 2012-12-27
BR112012009446A2 (enExample) 2021-12-07
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