WO2009054141A1 - 会議端末装置、中継装置、および会議システム - Google Patents

会議端末装置、中継装置、および会議システム Download PDF

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Publication number
WO2009054141A1
WO2009054141A1 PCT/JP2008/003020 JP2008003020W WO2009054141A1 WO 2009054141 A1 WO2009054141 A1 WO 2009054141A1 JP 2008003020 W JP2008003020 W JP 2008003020W WO 2009054141 A1 WO2009054141 A1 WO 2009054141A1
Authority
WO
WIPO (PCT)
Prior art keywords
section
audio signal
interval
data stream
data
Prior art date
Application number
PCT/JP2008/003020
Other languages
English (en)
French (fr)
Inventor
Kojiro Ono
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2009537942A priority Critical patent/JP5086366B2/ja
Priority to US12/519,859 priority patent/US8363809B2/en
Publication of WO2009054141A1 publication Critical patent/WO2009054141A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1827—Network arrangements for conference optimisation or adaptation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/562—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities where the conference facilities are distributed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer

Abstract

　会議端末装置（２００）であって、音声信号の入力を受け付ける入力部（２０１）と、音声信号の所定の区間ごとの目標サイズを算出する解析部（２０２）と、所定の区間ごとの符号化後のデータサイズが、それぞれの区間に対応する目標サイズとなるように音声信号を符号化することでデータストリームを生成する符号化部（２０３）と、生成されたデータストリームをネットワークに送信するストリーム送信部（２０４）と、他の端末装置から送信されたデータストリームを受信する受信部（２０５）と、受信されたデータストリームの所定の区間ごとのデータサイズに基づいて、データストリームに含まれる区間データを復号するか否かを判断するフィルタ部（２０６）と、復号すると判断された区間データを復号することで音声信号を生成する復号部（２０７）と、復号部（２０７）により生成された音声信号を出力する出力部（２０９）とを備える。
PCT/JP2008/003020 2007-10-26 2008-10-24 会議端末装置、中継装置、および会議システム WO2009054141A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009537942A JP5086366B2 (ja) 2007-10-26 2008-10-24 会議端末装置、中継装置、および会議システム
US12/519,859 US8363809B2 (en) 2007-10-26 2008-10-24 Teleconference terminal apparatus, relaying apparatus, and teleconferencing system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007278561 2007-10-26
JP2007-278561 2007-10-26

Publications (1)

Publication Number Publication Date
WO2009054141A1 true WO2009054141A1 (ja) 2009-04-30

Family

ID=40579249

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003020 WO2009054141A1 (ja) 2007-10-26 2008-10-24 会議端末装置、中継装置、および会議システム

Country Status (3)

Country Link
US (1) US8363809B2 (ja)
JP (1) JP5086366B2 (ja)
WO (1) WO2009054141A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013190803A (ja) * 2008-03-04 2013-09-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandte Forschung E V 入力データストリームのミキシング及びそこからの出力データストリームの生成
JP2014220649A (ja) * 2013-05-08 2014-11-20 パナソニック株式会社 テレビ会議システム

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* Cited by examiner, † Cited by third party
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US9560206B2 (en) * 2010-04-30 2017-01-31 American Teleconferencing Services, Ltd. Real-time speech-to-text conversion in an audio conference session

Citations (3)

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JPS6457861A (en) * 1987-08-28 1989-03-06 Toshiba Corp Conference talking system
JP2003316398A (ja) * 2002-04-25 2003-11-07 Nippon Telegr & Teleph Corp <Ntt> 音響信号符号化方法、符号化器及びそのプログラム
JP2007150877A (ja) * 2005-11-29 2007-06-14 Kyocera Corp 通信端末およびその表示方法

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US5699481A (en) * 1995-05-18 1997-12-16 Rockwell International Corporation Timing recovery scheme for packet speech in multiplexing environment of voice with data applications
US6125343A (en) * 1997-05-29 2000-09-26 3Com Corporation System and method for selecting a loudest speaker by comparing average frame gains
JP2000252981A (ja) 1999-02-25 2000-09-14 Nippon Telegr & Teleph Corp <Ntt> 多地点接続会議システム構成方法及び多地点接続会議システム及びクライアント装置及びサーバ装置及び多地点接続会議システム構成プログラムを格納した記憶媒体
US6611867B1 (en) * 1999-08-31 2003-08-26 Accenture Llp System, method and article of manufacture for implementing a hybrid network
US7747782B2 (en) * 2000-04-26 2010-06-29 Novarra, Inc. System and method for providing and displaying information content
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
US7225224B2 (en) * 2002-03-26 2007-05-29 Fujifilm Corporation Teleconferencing server and teleconferencing system
US7664057B1 (en) * 2004-07-13 2010-02-16 Cisco Technology, Inc. Audio-to-video synchronization system and method for packet-based network video conferencing
JP3938379B2 (ja) * 2004-08-10 2007-06-27 富士通株式会社 電子音声会議における話者権についての情報処理方法及びプログラム、並びに無線通信携帯端末
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Publication number Priority date Publication date Assignee Title
JPS6457861A (en) * 1987-08-28 1989-03-06 Toshiba Corp Conference talking system
JP2003316398A (ja) * 2002-04-25 2003-11-07 Nippon Telegr & Teleph Corp <Ntt> 音響信号符号化方法、符号化器及びそのプログラム
JP2007150877A (ja) * 2005-11-29 2007-06-14 Kyocera Corp 通信端末およびその表示方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013190803A (ja) * 2008-03-04 2013-09-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandte Forschung E V 入力データストリームのミキシング及びそこからの出力データストリームの生成
JP2014220649A (ja) * 2013-05-08 2014-11-20 パナソニック株式会社 テレビ会議システム

Also Published As

Publication number Publication date
JPWO2009054141A1 (ja) 2011-03-03
JP5086366B2 (ja) 2012-11-28
US20090313012A1 (en) 2009-12-17
US8363809B2 (en) 2013-01-29

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