HK1128786A1 - Method and equipment for audio channel extraction using inter-channel amplitude spectra - Google Patents

Method and equipment for audio channel extraction using inter-channel amplitude spectra

Info

Publication number
HK1128786A1
HK1128786A1 HK09106799.1A HK09106799A HK1128786A1 HK 1128786 A1 HK1128786 A1 HK 1128786A1 HK 09106799 A HK09106799 A HK 09106799A HK 1128786 A1 HK1128786 A1 HK 1128786A1
Authority
HK
Hong Kong
Prior art keywords
inter
equipment
channel
amplitude spectra
extraction
Prior art date
Application number
HK09106799.1A
Other languages
English (en)
Inventor
Pavel Chubarev
Original Assignee
Dts Bvi 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38123391&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1128786(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dts Bvi Ltd filed Critical Dts Bvi Ltd
Publication of HK1128786A1 publication Critical patent/HK1128786A1/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
    • 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
    • G10L21/0272—Voice signal separating
    • 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
    • G10L19/02—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
HK09106799.1A 2005-12-06 2009-07-24 Method and equipment for audio channel extraction using inter-channel amplitude spectra HK1128786A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/296,730 US20070135952A1 (en) 2005-12-06 2005-12-06 Audio channel extraction using inter-channel amplitude spectra
PCT/US2006/046017 WO2007067429A2 (en) 2005-12-06 2006-12-01 Audio channel extraction using inter-channel amplitude spectra

Publications (1)

Publication Number Publication Date
HK1128786A1 true HK1128786A1 (en) 2009-11-06

Family

ID=38123391

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09106799.1A HK1128786A1 (en) 2005-12-06 2009-07-24 Method and equipment for audio channel extraction using inter-channel amplitude spectra

Country Status (15)

Country Link
US (1) US20070135952A1 (xx)
EP (1) EP1958086A4 (xx)
JP (1) JP2009518684A (xx)
KR (1) KR20080091099A (xx)
CN (1) CN101405717B (xx)
AU (1) AU2006322079A1 (xx)
BR (1) BRPI0619468A2 (xx)
CA (1) CA2632496A1 (xx)
HK (1) HK1128786A1 (xx)
IL (1) IL191701A0 (xx)
MX (1) MX2008007226A (xx)
NZ (1) NZ568402A (xx)
RU (1) RU2432607C2 (xx)
TW (1) TW200739366A (xx)
WO (1) WO2007067429A2 (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5082327B2 (ja) * 2006-08-09 2012-11-28 ソニー株式会社 音声信号処理装置、音声信号処理方法および音声信号処理プログラム
WO2010005050A1 (ja) * 2008-07-11 2010-01-14 日本電気株式会社 信号分析装置、信号制御装置及びその方法と、プログラム
WO2010092913A1 (ja) * 2009-02-13 2010-08-19 日本電気株式会社 多チャンネル音響信号処理方法、そのシステム及びプログラム
WO2010092915A1 (ja) * 2009-02-13 2010-08-19 日本電気株式会社 多チャンネル音響信号処理方法、そのシステム及びプログラム
KR20120132342A (ko) * 2011-05-25 2012-12-05 삼성전자주식회사 보컬 신호 제거 장치 및 방법
US10321252B2 (en) 2012-02-13 2019-06-11 Axd Technologies, Llc Transaural synthesis method for sound spatialization
US20150036827A1 (en) * 2012-02-13 2015-02-05 Franck Rosset Transaural Synthesis Method for Sound Spatialization
FR2996043B1 (fr) * 2012-09-27 2014-10-24 Univ Bordeaux 1 Procede et dispositif pour separer des signaux par filtrage spatial a variance minimum sous contrainte lineaire
KR101620173B1 (ko) 2013-07-10 2016-05-13 주식회사 엘지화학 적층 형태 안정성이 우수한 단차를 갖는 전극 조립체 및 그 제조방법
US10037750B2 (en) * 2016-02-17 2018-07-31 RMXHTZ, Inc. Systems and methods for analyzing components of audio tracks
EP3246923A1 (en) * 2016-05-20 2017-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a multichannel audio signal
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
CN113611323B (zh) * 2021-05-07 2024-02-20 北京至芯开源科技有限责任公司 一种基于双通道卷积注意力网络的语音增强方法及系统
CN117198313B (zh) * 2023-08-17 2024-07-02 珠海全视通信息技术有限公司 侧音消除方法、装置、电子设备、存储介质

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6526148B1 (en) * 1999-05-18 2003-02-25 Siemens Corporate Research, Inc. Device and method for demixing signal mixtures using fast blind source separation technique based on delay and attenuation compensation, and for selecting channels for the demixed signals
US6321200B1 (en) * 1999-07-02 2001-11-20 Mitsubish Electric Research Laboratories, Inc Method for extracting features from a mixture of signals
US6430528B1 (en) * 1999-08-20 2002-08-06 Siemens Corporate Research, Inc. Method and apparatus for demixing of degenerate mixtures
US7660424B2 (en) * 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US20040062401A1 (en) * 2002-02-07 2004-04-01 Davis Mark Franklin Audio channel translation
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
JP3950930B2 (ja) * 2002-05-10 2007-08-01 財団法人北九州産業学術推進機構 音源の位置情報を利用した分割スペクトルに基づく目的音声の復元方法
US7039204B2 (en) * 2002-06-24 2006-05-02 Agere Systems Inc. Equalization for audio mixing
JP2006163178A (ja) * 2004-12-09 2006-06-22 Mitsubishi Electric Corp 符号化装置及び復号装置

Also Published As

Publication number Publication date
RU2008127329A (ru) 2010-01-20
JP2009518684A (ja) 2009-05-07
BRPI0619468A2 (pt) 2011-10-04
RU2432607C2 (ru) 2011-10-27
TW200739366A (en) 2007-10-16
AU2006322079A1 (en) 2007-06-14
MX2008007226A (es) 2008-11-19
CA2632496A1 (en) 2007-06-14
WO2007067429A2 (en) 2007-06-14
KR20080091099A (ko) 2008-10-09
IL191701A0 (en) 2008-12-29
NZ568402A (en) 2011-05-27
WO2007067429B1 (en) 2008-10-30
EP1958086A2 (en) 2008-08-20
CN101405717A (zh) 2009-04-08
US20070135952A1 (en) 2007-06-14
EP1958086A4 (en) 2013-07-17
WO2007067429A3 (en) 2008-09-12
CN101405717B (zh) 2010-12-15

Similar Documents

Publication Publication Date Title
HK1128786A1 (en) Method and equipment for audio channel extraction using inter-channel amplitude spectra
TWI373242B (en) Methods and apparatus for performing channel tree operations
EP1749420A4 (en) AUDIO APPARATUS AND METHOD
GB2443989B (en) Audio device and method
GB2431673B (en) Downhole sampling apparatus and method for using same
EP1889079A4 (en) METHOD AND DEVICE FOR CARRYING OUT THE CONVERSION OF THE TERMINATION
EP1808031A4 (en) METHOD AND APPARATUS FOR CHANNEL INFORMATION RETURN
EP1894333A4 (en) METHOD AND DEVICE FOR EFFICIENT OPERATION OF AN ADVANCED DEDICATED CHANNEL
IL197976A0 (en) Apparatus and method for generating audio subband values, and apparatus and method for generating time-domain audio samples
EP1892990A4 (en) CHANNEL TRANSMITTING APPARATUS AND CHANNEL TRANSMITTING METHOD
HK1153304A1 (en) Method and apparatus for maintaining speech audibility in multi-channel audio with minimal impact on surround experience
EP1881487A4 (en) AUDIO CODING APPARATUS AND SPECTRUM MODIFICATION METHOD
EP1905002A4 (en) METHOD AND APPARATUS FOR DECODING AN AUDIO SIGNAL
EP2158000A4 (en) MULTICANAL ELECTROSTIMULATION APPARATUS AND METHOD
EP1865626A4 (en) RECEIVING DEVICE AND RECEIVING METHOD FOR THE DOWNSTREAM CHANNEL
EP1946544A4 (en) METHOD AND APPARATUS FOR PERMITTING CHANNEL SELECTION
EP2044524A4 (en) METHOD AND DEVICE FOR QUICK AUDIO SEARCH
HK1097662A1 (en) Method and apparatus for preserving an audio signal
GB0811670D0 (en) Apparatus and method for evaluating audio communications
EP1880474A4 (en) METHOD AND DEVICE FOR PROVIDING AN ADVANCED CHANNEL DISTRIBUTION
GB2449225B (en) Channel searching method and apparatus
HK1119821A1 (en) Method and apparatus for decoding audio signal
EP2096632A4 (en) DECODING DEVICE AND AUDIO DECODING METHOD
GB0724295D0 (en) Ion spectrum analysing apparatus and method
PL1907741T3 (pl) Urządzenie i sposób do rozdzielania kołnierzy

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: 20181201