AU2010332925B2 - SBR bitstream parameter downmix - Google Patents

SBR bitstream parameter downmix Download PDF

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Publication number
AU2010332925B2
AU2010332925B2 AU2010332925A AU2010332925A AU2010332925B2 AU 2010332925 B2 AU2010332925 B2 AU 2010332925B2 AU 2010332925 A AU2010332925 A AU 2010332925A AU 2010332925 A AU2010332925 A AU 2010332925A AU 2010332925 B2 AU2010332925 B2 AU 2010332925B2
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AU
Australia
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target
source
sbr
frequency band
frequency
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AU2010332925A
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AU2010332925A1 (en
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Kristofer Kjoerling
Robin Thesing
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Dolby International AB
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Dolby International AB
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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
    • G10L19/008—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
    • 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
    • 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)
AU2010332925A 2009-12-16 2010-12-14 SBR bitstream parameter downmix Active AU2010332925B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2013242852A AU2013242852B2 (en) 2009-12-16 2013-10-11 Sbr bitstream parameter downmix

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2013242852A Division AU2013242852B2 (en) 2009-12-16 2013-10-11 Sbr bitstream parameter downmix

Publications (2)

Publication Number Publication Date
AU2010332925A1 AU2010332925A1 (en) 2012-05-31
AU2010332925B2 true AU2010332925B2 (en) 2013-07-11

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Family Applications (1)

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AU2010332925A Active AU2010332925B2 (en) 2009-12-16 2010-12-14 SBR bitstream parameter downmix

Country Status (14)

Country Link
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=)

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AR077680A1 (es) 2009-08-07 2011-09-14 Dolby Int Ab Autenticacion de flujos de datos
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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

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Also Published As

Publication number Publication date
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
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
JP5298245B2 (ja) 2013-09-25
CN102667920A (zh) 2012-09-12
CN103854651B (zh) 2017-04-12
WO2011073201A2 (en) 2011-06-23

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