JP5298245B2 - Ｓｂｒビットストリームパラメータダウンミックス - Google Patents

Ｓｂｒビットストリームパラメータダウンミックス Download PDF

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JP5298245B2
JP5298245B2 JP2012540463A JP2012540463A JP5298245B2 JP 5298245 B2 JP5298245 B2 JP 5298245B2 JP 2012540463 A JP2012540463 A JP 2012540463A JP 2012540463 A JP2012540463 A JP 2012540463A JP 5298245 B2 JP5298245 B2 JP 5298245B2
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JP2013511752A (ja
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クヨエルリン，クリストフェル
テシン，ロビン
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ドルビー インターナショナル アーベー
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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
    • 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
    • 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
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (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)
JP2012540463A 2009-12-16 2010-12-14 Ｓｂｒビットストリームパラメータダウンミックス Active JP5298245B2 (ja)

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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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JP2013511752A JP2013511752A (ja) 2013-04-04
JP5298245B2 true JP5298245B2 (ja) 2013-09-25

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US (1) US9508351B2 (https=)
EP (1) EP2513899B1 (https=)
JP (2) JP5298245B2 (https=)
KR (1) KR101370870B1 (https=)
CN (2) CN103854651B (https=)
AU (1) AU2010332925B2 (https=)
BR (1) BR112012014856B1 (https=)
CA (1) CA2779388C (https=)
IL (1) IL219506A (https=)
MX (1) MX2012006823A (https=)
MY (1) MY166998A (https=)
RU (1) RU2526745C2 (https=)
UA (1) UA101291C2 (https=)
WO (1) WO2011073201A2 (https=)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
AR077680A1 (es) 2009-08-07 2011-09-14 Dolby Int Ab Autenticacion de flujos de datos
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
JP5771618B2 (ja) 2009-10-19 2015-09-02 ドルビー・インターナショナル・アーベー 音声オブジェクトの区分を示すメタデータ時間標識情報
ES3051141T3 (en) 2009-10-21 2025-12-26 Dolby Int Ab Oversampling in a combined transposer filter bank
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
KR102450178B1 (ko) 2013-04-05 2022-10-06 돌비 인터네셔널 에이비 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더
EP2981960B1 (en) 2013-04-05 2019-03-13 Dolby International AB Stereo audio encoder and decoder
US8804971B1 (en) * 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2830054A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
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
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
CN111292757B (zh) 2013-09-12 2024-05-24 杜比国际公司 基于qmf的处理数据的时间对齐
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
JP6371376B2 (ja) * 2014-03-27 2018-08-08 パイオニア株式会社 音響装置及び信号処理方法
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

Family Cites Families (20)

* 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
DE10328777A1 (de) 2003-06-25 2005-01-27 Coding Technologies Ab Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals
ES2282899T3 (es) * 2003-10-30 2007-10-16 Koninklijke Philips Electronics N.V. Codificacion o descodificacion de señales de audio.
ATE390683T1 (de) * 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
BRPI0418665B1 (pt) * 2004-03-12 2018-08-28 Nokia Corp método e decodificador para sintetizar um sinal de áudio mono baseado no sinal de áudio codificado de múltiplos canais disponíveis, terminal móvel e sistema de codificação
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
CN102013256B (zh) 2005-07-14 2013-12-18 皇家飞利浦电子股份有限公司 用于生成多个输出音频通道的方法及设备
US20080221907A1 (en) * 2005-09-14 2008-09-11 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
BRPI0616057A2 (pt) * 2005-09-14 2011-06-07 Lg Electronics Inc método e aparelho para decodificar um sinal de aúdio
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
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
KR101015037B1 (ko) * 2006-03-29 2011-02-16 돌비 스웨덴 에이비 오디오 디코딩
ATE527833T1 (de) * 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
DE102006049154B4 (de) 2006-10-18 2009-07-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung eines Informationssignals
JP5883561B2 (ja) 2007-10-17 2016-03-15 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ アップミックスを使用した音声符号器
ATE518224T1 (de) * 2008-01-04 2011-08-15 Dolby Int Ab Audiokodierer und -dekodierer
KR101413968B1 (ko) 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
RU2562395C2 (ru) 2008-03-04 2015-09-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Микширование входящих информационных потоков
KR20170013846A (ko) 2015-07-28 2017-02-07 주식회사 엘지화학 가소제 조성물, 수지 조성물 및 이들의 제조 방법

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KR20120089333A (ko) 2012-08-09
WO2011073201A3 (en) 2011-10-06
JP2013210674A (ja) 2013-10-10
IL219506A (en) 2014-09-30
CA2779388C (en) 2015-11-10
CN102667920B (zh) 2014-03-12
RU2012124827A (ru) 2014-01-27
BR112012014856A2 (https=) 2021-11-03
CN103854651A (zh) 2014-06-11
KR101370870B1 (ko) 2014-03-07
US9508351B2 (en) 2016-11-29
RU2526745C2 (ru) 2014-08-27
BR112012014856B1 (pt) 2022-10-18
MX2012006823A (es) 2012-07-23
AU2010332925B2 (en) 2013-07-11
EP2513899B1 (en) 2018-02-14
JP5539573B2 (ja) 2014-07-02
US20120275607A1 (en) 2012-11-01
UA101291C2 (ru) 2013-03-11
CA2779388A1 (en) 2011-06-23
AU2010332925A1 (en) 2012-05-31
JP2013511752A (ja) 2013-04-04
MY166998A (en) 2018-07-27
EP2513899A2 (en) 2012-10-24
IL219506A0 (en) 2012-06-28
CN102667920A (zh) 2012-09-12
CN103854651B (zh) 2017-04-12
WO2011073201A2 (en) 2011-06-23

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