DE2967521D1 - Voice controlled switching system - Google Patents

Voice controlled switching system

Info

Publication number
DE2967521D1
DE2967521D1 DE7979900557T DE2967521T DE2967521D1 DE 2967521 D1 DE2967521 D1 DE 2967521D1 DE 7979900557 T DE7979900557 T DE 7979900557T DE 2967521 T DE2967521 T DE 2967521T DE 2967521 D1 DE2967521 D1 DE 2967521D1
Authority
DE
Germany
Prior art keywords
switching system
controlled switching
voice controlled
voice
switching
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
Application number
DE7979900557T
Other languages
English (en)
Inventor
Shoichi Sato
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.)
Toa Corp
Original Assignee
Toa Electric Co 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
Application filed by Toa Electric Co Ltd filed Critical Toa Electric Co Ltd
Application granted granted Critical
Publication of DE2967521D1 publication Critical patent/DE2967521D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M3/569—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 using the instant speaker's algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
DE7979900557T 1979-05-11 1979-05-11 Voice controlled switching system Expired DE2967521D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1979/000120 WO1980002627A1 (en) 1979-05-11 1979-05-11 Voice controlled switching system

Publications (1)

Publication Number Publication Date
DE2967521D1 true DE2967521D1 (en) 1985-11-07

Family

ID=13677657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979900557T Expired DE2967521D1 (en) 1979-05-11 1979-05-11 Voice controlled switching system

Country Status (5)

Country Link
US (1) US4359606A (de)
EP (1) EP0033744B1 (de)
BR (1) BR7908973A (de)
DE (1) DE2967521D1 (de)
WO (1) WO1980002627A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4400584A (en) * 1982-04-05 1983-08-23 Motorola, Inc. Speakerphone for radio and, landline telephones
JPS5976160U (ja) * 1982-11-12 1984-05-23 富士通株式会社 拡声会議電話装置
US4456792A (en) * 1982-11-18 1984-06-26 Bell Telephone Laboratories, Incorporated Voice switching arrangement for telephone conferencing
US5923749A (en) * 1995-12-06 1999-07-13 Telefonaktiebolaget Lm Ericsson Method and system for eliminating acoustic echos in a digital telecommunication system
US8295475B2 (en) * 2006-01-13 2012-10-23 Microsoft Corporation Selective glitch detection, clock drift compensation, and anti-clipping in audio echo cancellation
US7773743B2 (en) * 2006-04-28 2010-08-10 Microsoft Corporation Integration of a microphone array with acoustic echo cancellation and residual echo suppression
US7831035B2 (en) * 2006-04-28 2010-11-09 Microsoft Corporation Integration of a microphone array with acoustic echo cancellation and center clipping
US8380253B2 (en) * 2008-02-15 2013-02-19 Microsoft Corporation Voice switching for voice communication on computers
US8369251B2 (en) * 2008-06-20 2013-02-05 Microsoft Corporation Timestamp quality assessment for assuring acoustic echo canceller operability
CN103702259B (zh) 2013-12-31 2017-12-12 北京智谷睿拓技术服务有限公司 交互装置及交互方法
CN103747409B (zh) * 2013-12-31 2017-02-08 北京智谷睿拓技术服务有限公司 扬声装置、扬声方法及交互设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3755625A (en) * 1971-10-12 1973-08-28 Bell Telephone Labor Inc Multimicrophone loudspeaking telephone system
JPS5317361B2 (de) * 1973-06-14 1978-06-08
US4008376A (en) * 1975-10-17 1977-02-15 Bell Telephone Laboratories, Incorporated Loudspeaking teleconferencing circuit
US4139731A (en) * 1977-09-12 1979-02-13 Wescom, Inc. Telephone conference system with active analog conference
US4456789A (en) * 1978-03-07 1984-06-26 The Post Office Audio teleconferencing

Also Published As

Publication number Publication date
EP0033744A4 (de) 1981-09-21
EP0033744A1 (de) 1981-08-19
BR7908973A (pt) 1981-04-14
WO1980002627A1 (en) 1980-11-27
EP0033744B1 (de) 1985-10-02
US4359606A (en) 1982-11-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition