DE69509122T2 - Audioübertragungs-vorrichtung und -verfahren - Google Patents

Audioübertragungs-vorrichtung und -verfahren

Info

Publication number
DE69509122T2
DE69509122T2 DE69509122T DE69509122T DE69509122T2 DE 69509122 T2 DE69509122 T2 DE 69509122T2 DE 69509122 T DE69509122 T DE 69509122T DE 69509122 T DE69509122 T DE 69509122T DE 69509122 T2 DE69509122 T2 DE 69509122T2
Authority
DE
Germany
Prior art keywords
transmission device
audio transmission
audio
transmission
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.)
Expired - Fee Related
Application number
DE69509122T
Other languages
English (en)
Other versions
DE69509122D1 (de
Inventor
Christopher Paradine
Philip Russell
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69509122D1 publication Critical patent/DE69509122D1/de
Application granted granted Critical
Publication of DE69509122T2 publication Critical patent/DE69509122T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/064—Data transmission during pauses in telephone conversation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/427—Loop networks with decentralised control
    • H04L12/433—Loop networks with decentralised control with asynchronous transmission, e.g. token ring, register insertion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6429—Terminal adapters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6432—Topology
    • H04L2012/6437—Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6445—Admission control
    • H04L2012/6448—Medium Access Control [MAC]
    • H04L2012/6451—Deterministic, e.g. Token, DQDB
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6481—Speech, voice
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6494—Silence suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE69509122T 1994-12-16 1995-06-19 Audioübertragungs-vorrichtung und -verfahren Expired - Fee Related DE69509122T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9425428A GB2296170A (en) 1994-12-16 1994-12-16 Audio communication apparatus
PCT/GB1995/001422 WO1996019061A1 (en) 1994-12-16 1995-06-19 Audio communication apparatus

Publications (2)

Publication Number Publication Date
DE69509122D1 DE69509122D1 (de) 1999-05-20
DE69509122T2 true DE69509122T2 (de) 1999-11-18

Family

ID=10766059

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69509122T Expired - Fee Related DE69509122T2 (de) 1994-12-16 1995-06-19 Audioübertragungs-vorrichtung und -verfahren

Country Status (6)

Country Link
US (1) US6049565A (de)
EP (1) EP0797883B1 (de)
JP (1) JPH10500547A (de)
DE (1) DE69509122T2 (de)
GB (1) GB2296170A (de)
WO (1) WO1996019061A1 (de)

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US6795406B2 (en) 1999-07-12 2004-09-21 Genesys Telecommunications Laboratories, Inc. Methods and apparatus for enhancing wireless data network telephony, including quality of service monitoring and control
US6078566A (en) * 1998-04-28 2000-06-20 Genesys Telecommunications Laboratories, Inc. Noise reduction techniques and apparatus for enhancing wireless data network telephony
US6839734B1 (en) * 1998-09-21 2005-01-04 Microsoft Corporation Multimedia communications software with network streaming and multi-format conferencing
ATE248421T1 (de) * 1998-12-22 2003-09-15 Ericsson Inc Verfahren und vorrichtung zur speicherbedarfsreduzierung für ein sprachaufnahmesystem
ATE313210T1 (de) * 1999-03-22 2005-12-15 Polycom Inc Audiokonferenzplattform mit zentralisiertem summieren
US7058568B1 (en) * 2000-01-18 2006-06-06 Cisco Technology, Inc. Voice quality improvement for voip connections on low loss network
DE10006245A1 (de) 2000-02-11 2001-08-30 Siemens Ag Verfahren zum Verbessern der Qualität einer Audioübertragung über ein paketorientiertes Kommunikationsnetz und Kommunikationseinrichtung zur Realisierung des Verfahrens
US9736209B2 (en) 2000-03-17 2017-08-15 Facebook, Inc. State change alerts mechanism
US7624172B1 (en) 2000-03-17 2009-11-24 Aol Llc State change alerts mechanism
US7039193B2 (en) * 2000-10-13 2006-05-02 America Online, Inc. Automatic microphone detection
US7313593B1 (en) 2000-10-24 2007-12-25 International Business Machines Corporation Method and apparatus for providing full duplex and multipoint IP audio streaming
US6748472B2 (en) * 2001-02-28 2004-06-08 Koninklijke Philips Electronics N.V. Method and system for an interrupt accelerator that reduces the number of interrupts for a digital signal processor
US20020126707A1 (en) * 2001-03-08 2002-09-12 Marcus Tong System and method for rate adaptation in a wireless communication system
US7103129B2 (en) * 2001-03-15 2006-09-05 Siemens Communications, Inc. System and method for rate adaptation in a wireless communication system
US7145900B2 (en) 2001-05-31 2006-12-05 Go2Call.Com, Inc. Packet-switched telephony call server
US7640306B2 (en) 2002-11-18 2009-12-29 Aol Llc Reconfiguring an electronic message to effect an enhanced notification
JP5018392B2 (ja) * 2007-10-16 2012-09-05 ヤマハ株式会社 遠隔会議システムおよび多地点音声接続装置
JP2009118316A (ja) * 2007-11-08 2009-05-28 Yamaha Corp 音声通信装置
DE102010029030A1 (de) * 2010-05-17 2012-03-01 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Vorrichtung zur Verarbeitung von Daten in einem Fahrzeug
US8649493B2 (en) * 2010-12-27 2014-02-11 Avaya Inc. Latency compensation adjunct for teleconference voice switches
US10020008B2 (en) 2013-05-23 2018-07-10 Knowles Electronics, Llc Microphone and corresponding digital interface
US9712923B2 (en) 2013-05-23 2017-07-18 Knowles Electronics, Llc VAD detection microphone and method of operating the same
US9711166B2 (en) 2013-05-23 2017-07-18 Knowles Electronics, Llc Decimation synchronization in a microphone
US9502028B2 (en) 2013-10-18 2016-11-22 Knowles Electronics, Llc Acoustic activity detection apparatus and method
US9147397B2 (en) 2013-10-29 2015-09-29 Knowles Electronics, Llc VAD detection apparatus and method of operating the same
WO2015069878A1 (en) * 2013-11-08 2015-05-14 Knowles Electronics, Llc Microphone and corresponding digital interface
US20150178291A1 (en) * 2013-12-20 2015-06-25 Inching Chen Wireless display with audio skipping
TW201640322A (zh) 2015-01-21 2016-11-16 諾爾斯電子公司 用於聲音設備之低功率語音觸發及方法
US10121472B2 (en) 2015-02-13 2018-11-06 Knowles Electronics, Llc Audio buffer catch-up apparatus and method with two microphones
US9478234B1 (en) 2015-07-13 2016-10-25 Knowles Electronics, Llc Microphone apparatus and method with catch-up buffer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57132542A (en) * 1981-02-09 1982-08-16 Dainippon Ink & Chem Inc Continuous reactor
US4423416A (en) * 1981-10-13 1983-12-27 Motorola, Inc. Decoder for transmitted message deactivation code
US4516239A (en) * 1982-03-15 1985-05-07 At&T Bell Laboratories System, apparatus and method for controlling a multiple access data communications system including variable length data packets and fixed length collision-free voice packets
US4577310A (en) * 1984-05-16 1986-03-18 Tie/Communications, Inc. Station interface for digital electronic telephone switching system having centralized digital audio processor
US4663765A (en) * 1985-02-01 1987-05-05 General Electric Company Data muting method and apparatus for audo-digital communications systems
FR2614022B1 (fr) * 1987-04-15 1989-12-01 Roussel Uclaf Nouveaux derives 17-aza de 20,21-dinoreburnamenine, leur procede de preparation et les nouveaux intermediaires ainsi obtenus, leur application comme medicaments et ces compositions les renfermant
JPH0763204B2 (ja) * 1988-10-31 1995-07-05 タツタ電線株式会社 高圧引下げ線の装柱方法及び保護管端末キャップ
JPH02283055A (ja) * 1988-12-23 1990-11-20 Toko Inc 半導体装置に形成されたコンデンサ
US5091906A (en) * 1989-12-18 1992-02-25 Motorola, Inc. Quasi-duplex radio system using bi-directional hole extension
US5109526A (en) * 1989-12-18 1992-04-28 Motorola, Inc. Vehicular repeater system
JP2609736B2 (ja) * 1990-03-01 1997-05-14 日本電気株式会社 自動車電話装置の電源制御方法および装置
US5295156A (en) * 1991-08-14 1994-03-15 Ast Research Inc Modem
US5519640A (en) * 1994-01-26 1996-05-21 Hughes Aircraft Company Multimedia frame relay codec

Also Published As

Publication number Publication date
GB9425428D0 (en) 1995-02-15
JPH10500547A (ja) 1998-01-13
GB2296170A (en) 1996-06-19
EP0797883A1 (de) 1997-10-01
US6049565A (en) 2000-04-11
DE69509122D1 (de) 1999-05-20
WO1996019061A1 (en) 1996-06-20
EP0797883B1 (de) 1999-04-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee