PL1762120T3 - Urządzenie do audiokonferencji, układ do audiokonferencji oraz sposób przeprowadzania audiokonferencji - Google Patents

Urządzenie do audiokonferencji, układ do audiokonferencji oraz sposób przeprowadzania audiokonferencji

Info

Publication number
PL1762120T3
PL1762120T3 PL05769680T PL05769680T PL1762120T3 PL 1762120 T3 PL1762120 T3 PL 1762120T3 PL 05769680 T PL05769680 T PL 05769680T PL 05769680 T PL05769680 T PL 05769680T PL 1762120 T3 PL1762120 T3 PL 1762120T3
Authority
PL
Poland
Prior art keywords
conference
voice
base
block
audio
Prior art date
Application number
PL05769680T
Other languages
English (en)
Inventor
Jürgen HUPP
Martin Tittel
Xuelei Hu
Roland Sturm
Thomas Kauppert
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PL1762120T3 publication Critical patent/PL1762120T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Machine Translation (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
PL05769680T 2004-08-04 2005-08-04 Urządzenie do audiokonferencji, układ do audiokonferencji oraz sposób przeprowadzania audiokonferencji PL1762120T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004037856A DE102004037856B4 (de) 2004-08-04 2004-08-04 Sprachkonferenzvorrichtung, Sprachkonferenzsystem und Verfahren zur Realisierung einer Sprachkonferenz
PCT/EP2005/008469 WO2006015801A1 (de) 2004-08-04 2005-08-04 Sprachkonferenzvorrichtung, sprachkonferenzsystem und verfahren zur realisierung einer sprachkonferenz
EP05769680A EP1762120B1 (de) 2004-08-04 2005-08-04 Sprachkonferenzvorrichtung, sprachkonferenzsystem und verfahren zur realisierung einer sprachkonferenz

Publications (1)

Publication Number Publication Date
PL1762120T3 true PL1762120T3 (pl) 2008-06-30

Family

ID=35149438

Family Applications (1)

Application Number Title Priority Date Filing Date
PL05769680T PL1762120T3 (pl) 2004-08-04 2005-08-04 Urządzenie do audiokonferencji, układ do audiokonferencji oraz sposób przeprowadzania audiokonferencji

Country Status (9)

Country Link
US (1) US7505424B1 (pl)
EP (1) EP1762120B1 (pl)
AT (1) ATE378794T1 (pl)
CA (1) CA2575673C (pl)
DE (2) DE102004037856B4 (pl)
DK (1) DK1762120T3 (pl)
ES (1) ES2296212T3 (pl)
PL (1) PL1762120T3 (pl)
WO (1) WO2006015801A1 (pl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602006008765D1 (de) 2006-06-28 2009-10-08 Televic Nv Hybride Konferenzanlage
DE102008013975A1 (de) * 2008-03-12 2009-09-17 Sennheiser Electronic Gmbh & Co. Kg Drahtloses Konferenzsystem
US8379823B2 (en) * 2008-04-07 2013-02-19 Polycom, Inc. Distributed bridging
US8559611B2 (en) * 2008-04-07 2013-10-15 Polycom, Inc. Audio signal routing
WO2010142661A1 (de) * 2009-06-08 2010-12-16 Sennheiser Electronic Gmbh & Co. Kg Konferenzsystem
EP2424237A1 (en) * 2010-08-27 2012-02-29 Televic Conference NV Device for use in a digital conference system

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JPS56136008A (en) * 1980-03-28 1981-10-23 Pioneer Electronic Corp Pulse-width modulating and amplifying circuit
US4404511A (en) * 1980-10-23 1983-09-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Motor power factor controller with a reduced voltage starter
US4416007A (en) * 1981-11-20 1983-11-15 Bell Telephone Laboratories, Incorporated Digital conferencing method and arrangement
US4584566A (en) * 1984-12-21 1986-04-22 Honeywell Inc. Analog to digital converter
DE3515646C1 (de) * 1985-04-29 1986-08-14 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Verfahren zur Zusammenschaltung von Konferenzteilnehmern
DE3706128C1 (de) 1987-02-23 1988-08-18 Deutsche Telephonwerk Kabel Verfahren fuer Konferenzverbindungen in rechnergesteuerten digitalen Fernsprechvermittlungsanlagen
US4791341A (en) * 1988-01-19 1988-12-13 General Electric Company Speed reducing control system for a polyphase electric motor
US5077539A (en) * 1990-12-26 1991-12-31 Apogee Technology, Inc. Switching amplifier
WO1992019062A1 (en) 1991-04-15 1992-10-29 Northern Telecom Limited Current limited circuit for subscriber interface
US5212726A (en) * 1991-04-18 1993-05-18 Harris Corporation Method of combining signals in a telephone conference circuit
US5204809A (en) * 1992-04-03 1993-04-20 International Business Machines Corporation H-driver DC-to-DC converter utilizing mutual inductance
US5524110A (en) * 1993-11-24 1996-06-04 Intel Corporation Conferencing over multiple transports
US5574934A (en) * 1993-11-24 1996-11-12 Intel Corporation Preemptive priority-based transmission of signals using virtual channels
US5479337A (en) * 1993-11-30 1995-12-26 Kaiser Aerospace And Electronics Corporation Very low power loss amplifier for analog signals utilizing constant-frequency zero-voltage-switching multi-resonant converter
IT1273137B (it) * 1994-04-13 1997-07-04 Sip Unita' periferica per multivideoconferenza via satellite
US5559876A (en) * 1995-09-01 1996-09-24 Telefonaktiebolaget L M Ericsson (Publ) Conferencing circuit, and associated method, for automatically conferencing subscriber units together in a telephonic conference
US5617058A (en) * 1995-11-13 1997-04-01 Apogee Technology, Inc. Digital signal processing for linearization of small input signals to a tri-state power switch
US6272214B1 (en) * 1997-11-24 2001-08-07 Telefonaktiebolaget Lm Ericsson (Publ) Automatic control of participation in telemeetings
EP0936795A2 (en) * 1998-02-10 1999-08-18 Nortel Networks Corporation System and method for bridging wireless and wireline subscribers
GB2336968A (en) * 1998-05-01 1999-11-03 Nokia Mobile Phones Ltd A telephone provided with means for establishing a conference call
US6327567B1 (en) * 1999-02-10 2001-12-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system for providing spatialized audio in conference calls
US6049473A (en) * 1999-02-11 2000-04-11 Delta Electronics, Inc. Harmonic-injection control technique for three-phase, discontinuous-conduction-mode, high-power-factor boost rectifiers with improved line-transient response
US6564050B1 (en) * 1999-07-26 2003-05-13 Thomas Licensing Sa Method and apparatus for combining corded and cordless telephones for telephone conferencing and intercom
US6329908B1 (en) * 2000-06-23 2001-12-11 Armstrong World Industries, Inc. Addressable speaker system
US6430220B1 (en) * 2000-09-19 2002-08-06 Apogee Technology Inc. Distortion reduction method and apparatus for linearization of digital pulse width modulation by efficient calculation
US6348781B1 (en) * 2000-12-11 2002-02-19 Motorola, Inc. Buck or boost power converter
DE10113088A1 (de) * 2001-03-17 2002-09-26 Helmut Woerner Verfahren und Vorrichtung zum Betrieb eines Beschallungssystems
US6362986B1 (en) * 2001-03-22 2002-03-26 Volterra, Inc. Voltage converter with coupled inductive windings, and associated methods
US6552607B1 (en) * 2001-11-12 2003-04-22 Apogee Technology Inc. Time division multiplexed PWM amplifier
DE10238286B4 (de) * 2002-08-21 2004-11-11 Siemens Ag Verfahren und Vorrichtung zum Bereitstellen von Konferenzen
CA2414965A1 (en) * 2002-12-23 2004-06-23 Alan Bayko Amplifier
US6847257B2 (en) * 2003-05-23 2005-01-25 Maxim Integrated Products, Inc. Efficient minimum pulse spread spectrum modulation for filterless class D amplifiers
JP4591109B2 (ja) * 2004-02-26 2010-12-01 パナソニック株式会社 交換機
DE202004012219U1 (de) * 2004-08-04 2004-10-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sprachkonferenzvorrichtung und Sprachkonferenzsystem

Also Published As

Publication number Publication date
DE502005002003D1 (de) 2007-12-27
DK1762120T3 (da) 2008-03-17
ATE378794T1 (de) 2007-11-15
WO2006015801A1 (de) 2006-02-16
ES2296212T3 (es) 2008-04-16
DE102004037856A1 (de) 2006-02-23
EP1762120A1 (de) 2007-03-14
CA2575673C (en) 2010-04-13
DE102004037856B4 (de) 2006-05-04
US20090052643A1 (en) 2009-02-26
CA2575673A1 (en) 2006-02-16
EP1762120B1 (de) 2007-11-14
US7505424B1 (en) 2009-03-17

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