ATE532346T1 - Verfahren und kommunikationsgerät mit mitteln zur entstörung von audiosignalen - Google Patents

Verfahren und kommunikationsgerät mit mitteln zur entstörung von audiosignalen

Info

Publication number
ATE532346T1
ATE532346T1 AT03021578T AT03021578T ATE532346T1 AT E532346 T1 ATE532346 T1 AT E532346T1 AT 03021578 T AT03021578 T AT 03021578T AT 03021578 T AT03021578 T AT 03021578T AT E532346 T1 ATE532346 T1 AT E532346T1
Authority
AT
Austria
Prior art keywords
audio signals
communications device
communication device
environment
suppressing audio
Prior art date
Application number
AT03021578T
Other languages
English (en)
Inventor
Frank Lorenz
Christoph Poerschmann
Original Assignee
Hewlett Packard Development Co
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 Hewlett Packard Development Co filed Critical Hewlett Packard Development Co
Application granted granted Critical
Publication of ATE532346T1 publication Critical patent/ATE532346T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transceivers (AREA)
AT03021578T 2003-09-24 2003-09-24 Verfahren und kommunikationsgerät mit mitteln zur entstörung von audiosignalen ATE532346T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03021578A EP1519618B1 (de) 2003-09-24 2003-09-24 Verfahren und Kommunikationsgerät mit Mitteln zur Entstörung von Audiosignalen

Publications (1)

Publication Number Publication Date
ATE532346T1 true ATE532346T1 (de) 2011-11-15

Family

ID=34178488

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03021578T ATE532346T1 (de) 2003-09-24 2003-09-24 Verfahren und kommunikationsgerät mit mitteln zur entstörung von audiosignalen

Country Status (3)

Country Link
EP (1) EP1519618B1 (de)
AT (1) ATE532346T1 (de)
WO (1) WO2005041615A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066842A (en) * 1977-04-27 1978-01-03 Bell Telephone Laboratories, Incorporated Method and apparatus for cancelling room reverberation and noise pickup
US5263019A (en) * 1991-01-04 1993-11-16 Picturetel Corporation Method and apparatus for estimating the level of acoustic feedback between a loudspeaker and microphone
JP3344864B2 (ja) * 1995-03-13 2002-11-18 日本放送協会 残響時間自動測定方法および残響時間自動測定装置

Also Published As

Publication number Publication date
WO2005041615A1 (de) 2005-05-06
EP1519618B1 (de) 2011-11-02
EP1519618A1 (de) 2005-03-30

Similar Documents

Publication Publication Date Title
TWI281354B (en) Voice activity detector (VAD)-based multiple-microphone acoustic noise suppression
WO2008045537A3 (en) System and method for canceling acoustic echoes in audio-conference communication systems
TW200741238A (en) Sonar system and method providing low probability of impact on marine mammals
CN102044253B (zh) 一种回声信号处理方法、系统及电视机
CA2453867A1 (en) Echo cancellation/suppression and double-talk detection in communication paths
CN104272378A (zh) 在噪音消除个人音频设备中的次级路径适应性响应的噪音突发脉冲调适
ATE430321T1 (de) Verfahren zur detektion der eigenen sprachaktivität in einer kommunikationseinrichtung
DE60111419D1 (de) Automatische stummschaltung durch baby-überwachungsvorrichtung
NO20035796L (no) System og fremgangsmate for forbedret stereolyd
EP2092755A4 (de) Fehlerverbergungsverfahren und vorrichtung für ein audiosignal und decodierverfahren und vorrichtung für ein audiosignal damit
DK1416765T3 (da) Integreret automatisk telefonomskifter til høreapparater
MY145502A (en) Method and apparatus for acoustic data transmission in a subterranean well
DE602004022787D1 (de) Verteiltes spracherkennungsverfahren
WO2006028587A3 (en) Headset for separation of speech signals in a noisy environment
WO2012166507A3 (en) Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (anc)
WO2007038922A1 (en) A system for providing a reduction of audiable noise perception for a human user
WO2006056856A3 (en) Electronic sound screening system and method of accoustically improving the environment
DK1619928T3 (da) Höreapparat- eller kommunikationssystem med virtuelle signalkilder
EP1768451A4 (de) Akustische signalcodierungseinrichtung und akustische signaldecodierungseinrichtung
NO20053949L (no) Nedihulls telemetrisystem som benytter diskret flertonemodulasjon med adaptiv stoyundertrykking
ATE291323T1 (de) Telefongerät
AU2001276503A1 (en) Signal processing
WO2006130668A3 (en) Person monitoring
CA2497432A1 (en) Shear wave velocity determination using multi-pole wave
EP1416629A3 (de) Verfahren und System zur Rauschreduzierung in einem Mehrträgersignal