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WO2009001887A1 - 多地点接続装置、信号分析及び装置と、その方法及びプログラム - Google Patents

多地点接続装置、信号分析及び装置と、その方法及びプログラム Download PDF

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Publication number
WO2009001887A1
WO2009001887A1 PCT/JP2008/061622 JP2008061622W WO2009001887A1 WO 2009001887 A1 WO2009001887 A1 WO 2009001887A1 JP 2008061622 W JP2008061622 W JP 2008061622W WO 2009001887 A1 WO2009001887 A1 WO 2009001887A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
constituent elements
analysis information
point connection
program
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2008/061622
Other languages
English (en)
French (fr)
Inventor
Osamu Shimada
Toshiyuki Nomura
Akihiko Sugiyama
Osamu Houshuyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to EP08790637A priority Critical patent/EP2164238B1/en
Priority to JP2009520630A priority patent/JP5282906B2/ja
Priority to US12/666,827 priority patent/US9118805B2/en
Priority to CN2008800219204A priority patent/CN101715643B/zh
Publication of WO2009001887A1 publication Critical patent/WO2009001887A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/14Systems for two-way working
    • H04N7/15Conference systems
    • H04N7/152Multipoint control units therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Telephonic Communication Services (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

【課題】受信部において、各地点の入力信号の各音源に対応した構成要素ごとに制御することのできる技術を提供することにある。 【解決手段】複数の構成要素を含む第1の信号と第1の信号に含まれる複数の構成要素間の関係を表す第1の分析情報とを受ける第1の信号受信部と、複数の構成要素を含む第2の信号と第2の信号に含まれる複数の構成要素間の関係を表す第2の分析情報とを受ける第2の信号受信部と、第1の信号と第2の信号とを混合する信号混合部と、第1の分析情報と第2の分析情報とを混合する分析情報混合部とを含むことを特徴とする多地点接続装置である。
PCT/JP2008/061622 2007-06-27 2008-06-26 多地点接続装置、信号分析及び装置と、その方法及びプログラム Ceased WO2009001887A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08790637A EP2164238B1 (en) 2007-06-27 2008-06-26 Multi-point connection device, signal analysis and device, method, and program
JP2009520630A JP5282906B2 (ja) 2007-06-27 2008-06-26 多地点接続装置、信号分析及び装置と、その方法及びプログラム
US12/666,827 US9118805B2 (en) 2007-06-27 2008-06-26 Multi-point connection device, signal analysis and device, method, and program
CN2008800219204A CN101715643B (zh) 2007-06-27 2008-06-26 多地点连接装置、信号分析以及装置、其方法及程序

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007168547 2007-06-27
JP2007-168547 2007-06-27

Publications (1)

Publication Number Publication Date
WO2009001887A1 true WO2009001887A1 (ja) 2008-12-31

Family

ID=40185699

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061622 Ceased WO2009001887A1 (ja) 2007-06-27 2008-06-26 多地点接続装置、信号分析及び装置と、その方法及びプログラム

Country Status (6)

Country Link
US (1) US9118805B2 (ja)
EP (1) EP2164238B1 (ja)
JP (1) JP5282906B2 (ja)
KR (1) KR20100022989A (ja)
CN (1) CN101715643B (ja)
WO (1) WO2009001887A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010090019A1 (ja) * 2009-02-04 2010-08-12 パナソニック株式会社 結合装置、遠隔通信システム及び結合方法
JP5340296B2 (ja) * 2009-03-26 2013-11-13 パナソニック株式会社 復号化装置、符号化復号化装置および復号化方法
CN110351863A (zh) * 2018-04-04 2019-10-18 中兴通讯股份有限公司 比例公平调度的实现方法、装置及设备、存储介质
WO2020039597A1 (ja) * 2018-08-24 2020-02-27 日本電気株式会社 信号処理装置、音声通話端末、信号処理方法および信号処理プログラム

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8665914B2 (en) * 2008-03-14 2014-03-04 Nec Corporation Signal analysis/control system and method, signal control apparatus and method, and program
US9538286B2 (en) * 2011-02-10 2017-01-03 Dolby International Ab Spatial adaptation in multi-microphone sound capture
US8948138B2 (en) * 2011-03-23 2015-02-03 Telefonaktiebolaget L M Ericsson (Publ) Signal compression for backhaul communications using linear transformations
CN112397065A (zh) * 2020-11-04 2021-02-23 深圳地平线机器人科技有限公司 语音交互方法、装置、计算机可读存储介质及电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678062A (ja) * 1992-08-25 1994-03-18 Mitsubishi Electric Corp 多地点間音声通信装置
JP2000022603A (ja) * 1998-07-02 2000-01-21 Oki Electric Ind Co Ltd コンフォートノイズ発生装置
JP2000069179A (ja) * 1998-08-19 2000-03-03 Sony Corp 多地点会議装置及びその方法並びに多地点会議用端末装置
JP2000083229A (ja) 1998-09-07 2000-03-21 Ntt Data Corp 会議システム、話者表示方法及び記録媒体
JP2002204175A (ja) 2000-12-28 2002-07-19 Nec Corp ノイズ除去の方法及び装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08102687A (ja) * 1994-09-29 1996-04-16 Yamaha Corp 音声送受信方式
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US6327276B1 (en) * 1998-12-22 2001-12-04 Nortel Networks Limited Conferencing over LAN/WAN using a hybrid client/server configuration
US6463414B1 (en) * 1999-04-12 2002-10-08 Conexant Systems, Inc. Conference bridge processing of speech in a packet network environment
JP4464484B2 (ja) * 1999-06-15 2010-05-19 パナソニック株式会社 雑音信号符号化装置および音声信号符号化装置
US6850496B1 (en) * 2000-06-09 2005-02-01 Cisco Technology, Inc. Virtual conference room for voice conferencing
FR2810484B1 (fr) * 2000-06-19 2002-09-06 Cit Alcatel Procede de gestion et agencement de conference pour systeme de communication comportant des terminaux d'usager communiquant sous protocole ip
JP3881943B2 (ja) 2002-09-06 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
US7706365B2 (en) * 2003-11-25 2010-04-27 California Institute Of Technology Randomized distributed network coding
US7945006B2 (en) * 2004-06-24 2011-05-17 Alcatel-Lucent Usa Inc. Data-driven method and apparatus for real-time mixing of multichannel signals in a media server
EP1691348A1 (en) 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
JP4765461B2 (ja) * 2005-07-27 2011-09-07 日本電気株式会社 雑音抑圧システムと方法及びプログラム
PL2112652T3 (pl) * 2006-07-07 2013-04-30 Fraunhofer Ges Forschung Urządzenie i sposób do łączenia wielu zakodowanych parametrycznie źródeł audio
WO2009001886A1 (ja) * 2007-06-27 2008-12-31 Nec Corporation 信号分析装置と、信号制御装置と、そのシステム、方法及びプログラム
CN101766016A (zh) * 2007-08-07 2010-06-30 日本电气株式会社 声音混合装置及其杂音抑制方法、以及程序
JPWO2009051132A1 (ja) * 2007-10-19 2011-03-03 日本電気株式会社 信号処理システムと、その装置、方法及びそのプログラム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0678062A (ja) * 1992-08-25 1994-03-18 Mitsubishi Electric Corp 多地点間音声通信装置
JP2000022603A (ja) * 1998-07-02 2000-01-21 Oki Electric Ind Co Ltd コンフォートノイズ発生装置
JP2000069179A (ja) * 1998-08-19 2000-03-03 Sony Corp 多地点会議装置及びその方法並びに多地点会議用端末装置
JP2000083229A (ja) 1998-09-07 2000-03-21 Ntt Data Corp 会議システム、話者表示方法及び記録媒体
JP2002204175A (ja) 2000-12-28 2002-07-19 Nec Corp ノイズ除去の方法及び装置

Non-Patent Citations (14)

* Cited by examiner, † Cited by third party
Title
"DIGITAL SIGNAL PROCESSING", 1975, PRENTICE-HALL
"Microphone Arrays", 2001, SPRINGER
"MULTIRATE SYSTEMS AND FILTER BANKS", 1993, PRENTICE-HALL
"PRINCIPLES AND APPLICATIONS TO SPEECH AND VIDEO", 1990, PRENTICE-HALL, article "DIGITAL CODING OF WAVEFORMS"
"Speech Enhancement", 2005, SPRINGER, pages: 229 - 246
"Speech Enhancement", 2005, SPRINGER, pages: 271 - 369
"Speech Enhancement", 2005, SPRINGER, pages: 371 - 402
EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING, vol. 2005, no. 7, July 2005 (2005-07-01), pages 1110 - 1126
IEEE INTERNATIONAL CONFERENCE ON ACOUSTIC, SPEECH, AND SIGNAL PROCESSING, vol. 25.1.1, March 1985 (1985-03-01), pages 937 - 940
IEEE TRANSACTION ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, vol. 27, no. 2, April 1979 (1979-04-01), pages 113 - 120
IEEE TRANSACTIONS ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, vol. 32, no. 6, December 1984 (1984-12-01), pages 1109 - 1121
IEEE TRANSACTIONS ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, vol. 33, no. 2, April 1985 (1985-04-01), pages 443 - 445
PROCEEDINGS OF ICASSP, vol. 1, May 2006 (2006-05-01), pages 473 - 476
See also references of EP2164238A4

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010090019A1 (ja) * 2009-02-04 2010-08-12 パナソニック株式会社 結合装置、遠隔通信システム及び結合方法
US8504184B2 (en) 2009-02-04 2013-08-06 Panasonic Corporation Combination device, telecommunication system, and combining method
JP5377505B2 (ja) * 2009-02-04 2013-12-25 パナソニック株式会社 結合装置、遠隔通信システム及び結合方法
CN102016982B (zh) * 2009-02-04 2014-08-27 松下电器产业株式会社 结合装置、远程通信系统以及结合方法
JP5340296B2 (ja) * 2009-03-26 2013-11-13 パナソニック株式会社 復号化装置、符号化復号化装置および復号化方法
US8718285B2 (en) 2009-03-26 2014-05-06 Panasonic Corporation Decoding device, coding and decoding device, and decoding method
CN110351863A (zh) * 2018-04-04 2019-10-18 中兴通讯股份有限公司 比例公平调度的实现方法、装置及设备、存储介质
CN110351863B (zh) * 2018-04-04 2022-03-25 中兴通讯股份有限公司 比例公平调度的实现方法、装置及设备、存储介质
WO2020039597A1 (ja) * 2018-08-24 2020-02-27 日本電気株式会社 信号処理装置、音声通話端末、信号処理方法および信号処理プログラム

Also Published As

Publication number Publication date
EP2164238A1 (en) 2010-03-17
EP2164238A4 (en) 2010-11-03
EP2164238B1 (en) 2013-01-16
CN101715643A (zh) 2010-05-26
JP5282906B2 (ja) 2013-09-04
KR20100022989A (ko) 2010-03-03
JPWO2009001887A1 (ja) 2010-08-26
US9118805B2 (en) 2015-08-25
US20100198990A1 (en) 2010-08-05
CN101715643B (zh) 2012-12-26

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