HK1150186A1 - Parametric stereo conversion system and method - Google Patents

Parametric stereo conversion system and method

Info

Publication number
HK1150186A1
HK1150186A1 HK11104264.8A HK11104264A HK1150186A1 HK 1150186 A1 HK1150186 A1 HK 1150186A1 HK 11104264 A HK11104264 A HK 11104264A HK 1150186 A1 HK1150186 A1 HK 1150186A1
Authority
HK
Hong Kong
Prior art keywords
conversion system
parametric stereo
stereo conversion
parametric
stereo
Prior art date
Application number
HK11104264.8A
Other languages
English (en)
Inventor
Jeffrey Thompson
Robert Reams
Aaron Warner
Original Assignee
Dts Licensing Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dts Licensing Ltd filed Critical Dts Licensing Ltd
Publication of HK1150186A1 publication Critical patent/HK1150186A1/xx

Links

Classifications

    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical 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)
  • Stereophonic System (AREA)
HK11104264.8A 2008-08-15 2011-04-28 Parametric stereo conversion system and method HK1150186A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/192,404 US8385556B1 (en) 2007-08-17 2008-08-15 Parametric stereo conversion system and method
PCT/US2009/004674 WO2010019265A1 (en) 2008-08-15 2009-08-14 Parametric stereo conversion system and method

Publications (1)

Publication Number Publication Date
HK1150186A1 true HK1150186A1 (en) 2011-11-04

Family

ID=41669154

Family Applications (2)

Application Number Title Priority Date Filing Date
HK11104264.8A HK1150186A1 (en) 2008-08-15 2011-04-28 Parametric stereo conversion system and method
HK11109573.3A HK1155549A1 (en) 2008-08-15 2011-09-09 Parametric stereo conversion system and method

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK11109573.3A HK1155549A1 (en) 2008-08-15 2011-09-09 Parametric stereo conversion system and method

Country Status (9)

Country Link
US (1) US8385556B1 (zh)
EP (1) EP2313884B1 (zh)
JP (1) JP5607626B2 (zh)
KR (1) KR101552750B1 (zh)
CN (1) CN102132340B (zh)
HK (2) HK1150186A1 (zh)
PL (1) PL2313884T3 (zh)
TW (1) TWI501661B (zh)
WO (1) WO2010019265A1 (zh)

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WO2010037426A1 (en) * 2008-10-03 2010-04-08 Nokia Corporation An apparatus
EP2345026A1 (en) * 2008-10-03 2011-07-20 Nokia Corporation Apparatus for binaural audio coding
EP2326108B1 (en) * 2009-11-02 2015-06-03 Harman Becker Automotive Systems GmbH Audio system phase equalizion
CA3097372C (en) 2010-04-09 2021-11-30 Dolby International Ab Mdct-based complex prediction stereo coding
FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
JP6216553B2 (ja) * 2013-06-27 2017-10-18 クラリオン株式会社 伝搬遅延補正装置及び伝搬遅延補正方法
US9338573B2 (en) 2013-07-30 2016-05-10 Dts, Inc. Matrix decoder with constant-power pairwise panning
EP3444815B1 (en) * 2013-11-27 2020-01-08 DTS, Inc. Multiplet-based matrix mixing for high-channel count multichannel audio
CN104681029B (zh) 2013-11-29 2018-06-05 华为技术有限公司 立体声相位参数的编码方法及装置
US10045145B2 (en) * 2015-12-18 2018-08-07 Qualcomm Incorporated Temporal offset estimation
US10491179B2 (en) * 2017-09-25 2019-11-26 Nuvoton Technology Corporation Asymmetric multi-channel audio dynamic range processing
CN107799121A (zh) * 2017-10-18 2018-03-13 广州珠江移动多媒体信息有限公司 一种无线广播音频的数字水印嵌入及检出方法
CN108962268B (zh) * 2018-07-26 2020-11-03 广州酷狗计算机科技有限公司 确定单声道的音频的方法和装置
CN109036455B (zh) * 2018-09-17 2020-11-06 中科上声（苏州）电子有限公司 直达声与背景声提取方法、扬声器系统及其声重放方法
CN111182444A (zh) * 2020-01-03 2020-05-19 天域全感音科技有限公司 一种单双声道音频信号的转换装置及方法

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Publication number Priority date Publication date Assignee Title
NL9100173A (nl) * 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CN1705980A (zh) 2002-02-18 2005-12-07 皇家飞利浦电子股份有限公司 参数音频编码
ATE527654T1 (de) 2004-03-01 2011-10-15 Dolby Lab Licensing Corp Mehrkanal-audiodecodierung
WO2007109338A1 (en) * 2006-03-21 2007-09-27 Dolby Laboratories Licensing Corporation Low bit rate audio encoding and decoding
US7639823B2 (en) 2004-03-03 2009-12-29 Agere Systems Inc. Audio mixing using magnitude equalization
TWI393121B (zh) 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
CN101010724B (zh) * 2004-08-27 2011-05-25 松下电器产业株式会社 音频编码器
US7283634B2 (en) * 2004-08-31 2007-10-16 Dts, Inc. Method of mixing audio channels using correlated outputs
JP3968450B2 (ja) * 2005-09-30 2007-08-29 ザインエレクトロニクス株式会社 ステレオ変調器およびそれを用いたｆｍステレオ変調器
US8190425B2 (en) 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
JP4940671B2 (ja) * 2006-01-26 2012-05-30 ソニー株式会社 オーディオ信号処理装置、オーディオ信号処理方法及びオーディオ信号処理プログラム
WO2008046530A2 (en) * 2006-10-16 2008-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for multi -channel parameter transformation

Also Published As

Publication number Publication date
JP2012500410A (ja) 2012-01-05
US8385556B1 (en) 2013-02-26
KR101552750B1 (ko) 2015-09-11
TW201016041A (en) 2010-04-16
PL2313884T3 (pl) 2014-08-29
EP2313884A4 (en) 2012-12-12
KR20110055651A (ko) 2011-05-25
WO2010019265A1 (en) 2010-02-18
CN102132340B (zh) 2012-10-03
EP2313884B1 (en) 2014-03-26
JP5607626B2 (ja) 2014-10-15
HK1155549A1 (en) 2012-05-18
TWI501661B (zh) 2015-09-21
EP2313884A1 (en) 2011-04-27
CN102132340A (zh) 2011-07-20

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20200812