BRPI0619468A2 - métodos para extrair n canais de saìda de áudio, e para separar q fontes de áudio de m canais de entrada de áudio, e, extrator de canal para extrair n canais de saìda de áudio - Google Patents

métodos para extrair n canais de saìda de áudio, e para separar q fontes de áudio de m canais de entrada de áudio, e, extrator de canal para extrair n canais de saìda de áudio Download PDF

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Publication number
BRPI0619468A2
BRPI0619468A2 BRPI0619468-0A BRPI0619468A BRPI0619468A2 BR PI0619468 A2 BRPI0619468 A2 BR PI0619468A2 BR PI0619468 A BRPI0619468 A BR PI0619468A BR PI0619468 A2 BRPI0619468 A2 BR PI0619468A2
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BR
Brazil
Prior art keywords
audio
channels
input
spectra
input channels
Prior art date
Application number
BRPI0619468-0A
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English (en)
Portuguese (pt)
Inventor
Pavel Chubarev
Original Assignee
Dts Licensing Ltd
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Publication date
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Application filed by Dts Licensing Ltd filed Critical Dts Licensing Ltd
Publication of BRPI0619468A2 publication Critical patent/BRPI0619468A2/pt

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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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
BRPI0619468-0A 2005-12-06 2006-12-01 métodos para extrair n canais de saìda de áudio, e para separar q fontes de áudio de m canais de entrada de áudio, e, extrator de canal para extrair n canais de saìda de áudio BRPI0619468A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/296730 2005-12-06
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
BRPI0619468A2 true BRPI0619468A2 (pt) 2011-10-04

Family

ID=38123391

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0619468-0A BRPI0619468A2 (pt) 2005-12-06 2006-12-01 métodos para extrair n canais de saìda de áudio, e para separar q fontes de áudio de m canais de entrada de áudio, e, extrator de canal para extrair n canais de saìda de áudio

Country Status (14)

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

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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
JPWO2010005050A1 (ja) * 2008-07-11 2012-01-05 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
US8954323B2 (en) * 2009-02-13 2015-02-10 Nec Corporation Method for processing multichannel acoustic signal, system thereof, and program
JP5605575B2 (ja) * 2009-02-13 2014-10-15 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
US20150036827A1 (en) * 2012-02-13 2015-02-05 Franck Rosset Transaural Synthesis Method for Sound Spatialization
US10321252B2 (en) 2012-02-13 2019-06-11 Axd Technologies, Llc 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 (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4217276C1 (enExample) * 1992-05-25 1993-04-08 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
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
US20040062401A1 (en) * 2002-02-07 2004-04-01 Davis Mark Franklin Audio channel translation
US7660424B2 (en) * 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
US7292901B2 (en) * 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
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
WO2007067429A3 (en) 2008-09-12
EP1958086A4 (en) 2013-07-17
KR20080091099A (ko) 2008-10-09
CA2632496A1 (en) 2007-06-14
IL191701A0 (en) 2008-12-29
US20070135952A1 (en) 2007-06-14
WO2007067429A2 (en) 2007-06-14
MX2008007226A (es) 2008-11-19
RU2008127329A (ru) 2010-01-20
RU2432607C2 (ru) 2011-10-27
AU2006322079A1 (en) 2007-06-14
EP1958086A2 (en) 2008-08-20
CN101405717A (zh) 2009-04-08
HK1128786A1 (en) 2009-11-06
NZ568402A (en) 2011-05-27
CN101405717B (zh) 2010-12-15
JP2009518684A (ja) 2009-05-07
WO2007067429B1 (en) 2008-10-30
TW200739366A (en) 2007-10-16

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B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

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