RU2526745C2 - Низведение параметров последовательности битов sbr - Google Patents

Низведение параметров последовательности битов sbr Download PDF

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Publication number
RU2526745C2
RU2526745C2 RU2012124827/08A RU2012124827A RU2526745C2 RU 2526745 C2 RU2526745 C2 RU 2526745C2 RU 2012124827/08 A RU2012124827/08 A RU 2012124827/08A RU 2012124827 A RU2012124827 A RU 2012124827A RU 2526745 C2 RU2526745 C2 RU 2526745C2
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final
sbr
source
frequency
channels
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RU2012124827/08A
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RU2012124827A (ru
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Кристофер ЧОЭРЛИНГ
Робин Тезинг
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Долби Интернешнл Аб
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Optical Filters (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
RU2012124827/08A 2009-12-16 2010-12-14 Низведение параметров последовательности битов sbr RU2526745C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28691209P 2009-12-16 2009-12-16
US61/286,912 2009-12-16
PCT/EP2010/069651 WO2011073201A2 (en) 2009-12-16 2010-12-14 Sbr bitstream parameter downmix

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RU2012124827A RU2012124827A (ru) 2014-01-27
RU2526745C2 true RU2526745C2 (ru) 2014-08-27

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EP (1) EP2513899B1 (enExample)
JP (2) JP5298245B2 (enExample)
KR (1) KR101370870B1 (enExample)
CN (2) CN102667920B (enExample)
AU (1) AU2010332925B2 (enExample)
BR (1) BR112012014856B1 (enExample)
CA (1) CA2779388C (enExample)
IL (1) IL219506A (enExample)
MX (1) MX2012006823A (enExample)
MY (1) MY166998A (enExample)
RU (1) RU2526745C2 (enExample)
UA (1) UA101291C2 (enExample)
WO (1) WO2011073201A2 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2452044C1 (ru) 2009-04-02 2012-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот
EP2239732A1 (en) 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
TWI501580B (zh) 2009-08-07 2015-09-21 Dolby Int Ab 資料串流的鑑別
TWI413110B (zh) 2009-10-06 2013-10-21 Dolby Int Ab 以選擇性通道解碼的有效多通道信號處理
US9105300B2 (en) 2009-10-19 2015-08-11 Dolby International Ab Metadata time marking information for indicating a section of an audio object
ES2507165T3 (es) 2009-10-21 2014-10-14 Dolby International Ab Sobremuestreo en un banco de filtros de reemisor combinado
US9047875B2 (en) * 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
TWI462087B (zh) 2010-11-12 2014-11-21 Dolby Lab Licensing Corp 複數音頻信號之降混方法、編解碼方法及混合系統
CN102800317B (zh) * 2011-05-25 2014-09-17 华为技术有限公司 信号分类方法及设备、编解码方法及设备
US9070361B2 (en) * 2011-06-10 2015-06-30 Google Technology Holdings LLC Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component
US10178489B2 (en) * 2013-02-08 2019-01-08 Qualcomm Incorporated Signaling audio rendering information in a bitstream
BR112015025080B1 (pt) 2013-04-05 2021-12-21 Dolby International Ab Método de decodificação e decodificador para decodificar dois sinais de áudio, método de codificação e codificador para codificar dois sinais de áudio, e meio legível não transitório
CN105103224B (zh) 2013-04-05 2019-08-02 杜比国际公司 用于交错波形编码的音频编码器和解码器
US8804971B1 (en) * 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
EP2830053A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
EP2830063A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for decoding an encoded audio signal
EP2830052A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension
TWI557726B (zh) * 2013-08-29 2016-11-11 杜比國際公司 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法
KR102713162B1 (ko) 2013-09-12 2024-10-07 돌비 인터네셔널 에이비 Qmf 기반 처리 데이터의 시간 정렬
JP6863359B2 (ja) * 2014-03-24 2021-04-21 ソニーグループ株式会社 復号装置および方法、並びにプログラム
US10839824B2 (en) 2014-03-27 2020-11-17 Pioneer Corporation Audio device, missing band estimation device, signal processing method, and frequency band estimation device
US12469506B2 (en) * 2023-06-13 2025-11-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for audio decoding supporting two spectral band replication modes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005001813A1 (en) * 2003-06-25 2005-01-06 Coding Technologies Ab Apparatus and method for encoding an audio signal and apparatus and method for decoding an encoded audio signal
WO2007007263A2 (en) * 2005-07-14 2007-01-18 Koninklijke Philips Electronics N.V. Audio encoding and decoding
EP2057625A1 (de) * 2006-10-18 2009-05-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Kodierung eines informationssignals
RU2010112889A (ru) * 2007-10-17 2011-11-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. (DE) Аудиокодирование с использованием повышающего микширования

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
KR101217649B1 (ko) * 2003-10-30 2013-01-02 돌비 인터네셔널 에이비 오디오 신호 인코딩 또는 디코딩
BRPI0508343B1 (pt) * 2004-03-01 2018-11-06 Dolby Laboratories Licensing Corp método para decodificar m canais de áudio codificados representando n canais de áudio e método para codificar n canais de áudio de entrada em m canais de áudio codificados.
ATE378677T1 (de) 2004-03-12 2007-11-15 Nokia Corp Synthese eines mono-audiosignals aus einem mehrkanal-audiosignal
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
KR100818268B1 (ko) * 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
JP4728398B2 (ja) * 2005-09-14 2011-07-20 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
US20080221907A1 (en) * 2005-09-14 2008-09-11 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
JP5507844B2 (ja) * 2005-10-20 2014-05-28 エルジー エレクトロニクス インコーポレイティド マルチチャンネルオーディオ信号の符号化及び復号化方法とその装置
CN101292284B (zh) * 2005-10-20 2012-10-10 Lg电子株式会社 编码解码多声道音频信号的方法及其装置
MX2008012217A (es) * 2006-03-29 2008-11-12 Koninkl Philips Electronics Nv Decodificacion de audio.
EP1853092B1 (en) * 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
EP2077550B8 (en) * 2008-01-04 2012-03-14 Dolby International AB Audio encoder and decoder
KR101413968B1 (ko) 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
US8116486B2 (en) * 2008-03-04 2012-02-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Mixing of input data streams and generation of an output data stream therefrom
WO2017018841A1 (ko) 2015-07-28 2017-02-02 주식회사 엘지화학 가소제 조성물, 수지 조성물 및 이들의 제조 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005001813A1 (en) * 2003-06-25 2005-01-06 Coding Technologies Ab Apparatus and method for encoding an audio signal and apparatus and method for decoding an encoded audio signal
WO2007007263A2 (en) * 2005-07-14 2007-01-18 Koninklijke Philips Electronics N.V. Audio encoding and decoding
EP2057625A1 (de) * 2006-10-18 2009-05-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Kodierung eines informationssignals
RU2010112889A (ru) * 2007-10-17 2011-11-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. (DE) Аудиокодирование с использованием повышающего микширования

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WO2011073201A3 (en) 2011-10-06
UA101291C2 (ru) 2013-03-11
AU2010332925A1 (en) 2012-05-31
IL219506A (en) 2014-09-30
JP5298245B2 (ja) 2013-09-25
CN103854651B (zh) 2017-04-12
JP2013511752A (ja) 2013-04-04
KR101370870B1 (ko) 2014-03-07
BR112012014856B1 (pt) 2022-10-18
AU2010332925B2 (en) 2013-07-11
MX2012006823A (es) 2012-07-23
CN103854651A (zh) 2014-06-11
RU2012124827A (ru) 2014-01-27
BR112012014856A2 (enExample) 2021-11-03
WO2011073201A2 (en) 2011-06-23
CN102667920A (zh) 2012-09-12
JP5539573B2 (ja) 2014-07-02
JP2013210674A (ja) 2013-10-10
CA2779388C (en) 2015-11-10
EP2513899B1 (en) 2018-02-14
KR20120089333A (ko) 2012-08-09
IL219506A0 (en) 2012-06-28
US9508351B2 (en) 2016-11-29
CA2779388A1 (en) 2011-06-23
US20120275607A1 (en) 2012-11-01
EP2513899A2 (en) 2012-10-24
CN102667920B (zh) 2014-03-12
MY166998A (en) 2018-07-27

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