RU2407069C2 - Кодирование и декодирование аудиосигналов с использованием гребенок фильтров с комплексным значением - Google Patents

Кодирование и декодирование аудиосигналов с использованием гребенок фильтров с комплексным значением Download PDF

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RU2407069C2
RU2407069C2 RU2007120591/09A RU2007120591A RU2407069C2 RU 2407069 C2 RU2407069 C2 RU 2407069C2 RU 2007120591/09 A RU2007120591/09 A RU 2007120591/09A RU 2007120591 A RU2007120591 A RU 2007120591A RU 2407069 C2 RU2407069 C2 RU 2407069C2
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subband
signal
time domain
generating
subband signal
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RU2007120591A (ru
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Ларс Ф. ВИЛЛЕМОЕС (SE)
Ларс Ф. ВИЛЛЕМОЕС
Эрик Г.П. СХЕЙЕРС (NL)
Эрик Г.П. СХЕЙЕРС
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Конинклейке Филипс Электроникс Н.В.
Коудинг Текнолоджиз Аб
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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
    • G10L19/02—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
RU2007120591/09A 2004-11-02 2005-10-31 Кодирование и декодирование аудиосигналов с использованием гребенок фильтров с комплексным значением RU2407069C2 (ru)

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EP04105457.8 2004-11-02
EP04105457 2004-11-02
EP05108293 2005-09-09
EP05108293.1 2005-09-09

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CN (2) CN102148035B (enExample)
BR (1) BRPI0517234B1 (enExample)
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MX (1) MX2007005103A (enExample)
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RU2611974C2 (ru) * 2012-09-17 2017-03-01 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для формирования сигнала с расширенной полосой пропускания из аудиосигнала с ограниченной полосой пропускания
RU2639694C1 (ru) * 2010-09-15 2017-12-21 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
RU2672133C1 (ru) * 2010-12-29 2018-11-12 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
RU2823081C1 (ru) * 2019-10-18 2024-07-18 Долби Лэборетериз Лайсенсинг Корпорейшн Способы и система для кодирования на основе формы сигналов аудиосигналов с помощью порождающей модели
US12424226B2 (en) 2019-10-18 2025-09-23 Dolby Laboratories Licensing Corporation Methods and system for waveform coding of audio signals with a generative model by implementing a probability distribution

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JP5850216B2 (ja) * 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
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JP6075743B2 (ja) 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
KR101517446B1 (ko) * 2010-08-12 2015-05-04 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 직각 대칭 필터 기반 오디오 코덱들의 출력 신호들의 리샘플링
JP5552988B2 (ja) * 2010-09-27 2014-07-16 富士通株式会社 音声帯域拡張装置および音声帯域拡張方法
EP2719076B1 (en) * 2011-06-10 2021-08-11 Technion R&D Foundation Receiver, transmitter and a method for digital multiple sub-band processing
WO2013068587A2 (en) 2011-11-11 2013-05-16 Dolby International Ab Upsampling using oversampled sbr
CN103366749B (zh) * 2012-03-28 2016-01-27 北京天籁传音数字技术有限公司 一种声音编解码装置及其方法
CN103366750B (zh) * 2012-03-28 2015-10-21 北京天籁传音数字技术有限公司 一种声音编解码装置及其方法
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RU2645271C2 (ru) * 2013-04-05 2018-02-19 Долби Интернэшнл Аб Стереофонический кодер и декодер аудиосигналов
RU2665228C1 (ru) 2013-04-05 2018-08-28 Долби Интернэшнл Аб Аудиокодер и декодер для кодирования по форме волны с перемежением
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RU2639694C1 (ru) * 2010-09-15 2017-12-21 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
US10152983B2 (en) 2010-09-15 2018-12-11 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding for high frequency bandwidth extension
RU2672133C1 (ru) * 2010-12-29 2018-11-12 Самсунг Электроникс Ко., Лтд. Устройство и способ для кодирования/декодирования для расширения диапазона высоких частот
US10453466B2 (en) 2010-12-29 2019-10-22 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding for high frequency bandwidth extension
US10811022B2 (en) 2010-12-29 2020-10-20 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding for high frequency bandwidth extension
RU2611974C2 (ru) * 2012-09-17 2017-03-01 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для формирования сигнала с расширенной полосой пропускания из аудиосигнала с ограниченной полосой пропускания
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RU2823081C1 (ru) * 2019-10-18 2024-07-18 Долби Лэборетериз Лайсенсинг Корпорейшн Способы и система для кодирования на основе формы сигналов аудиосигналов с помощью порождающей модели
US12424226B2 (en) 2019-10-18 2025-09-23 Dolby Laboratories Licensing Corporation Methods and system for waveform coding of audio signals with a generative model by implementing a probability distribution

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JP2008519290A (ja) 2008-06-05
WO2006048814A1 (en) 2006-05-11
US20090063140A1 (en) 2009-03-05
BRPI0517234B1 (pt) 2019-07-02
MX2007005103A (es) 2007-07-04
ES2791001T3 (es) 2020-10-30
US8255231B2 (en) 2012-08-28
BRPI0517234A (pt) 2008-10-07
CN101053019A (zh) 2007-10-10
PL1810281T3 (pl) 2020-07-27
KR20070085681A (ko) 2007-08-27
CN102148035A (zh) 2011-08-10
RU2007120591A (ru) 2008-12-10
KR101187597B1 (ko) 2012-10-12
EP1810281A1 (en) 2007-07-25
JP4939424B2 (ja) 2012-05-23
CN101053019B (zh) 2012-01-25
EP1810281B1 (en) 2020-02-26
CN102148035B (zh) 2014-06-18

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