DE602004028502D1 - Verfahren und Anordnung für das Schätzen einer Raumimpulsantwort - Google Patents

Verfahren und Anordnung für das Schätzen einer Raumimpulsantwort

Info

Publication number
DE602004028502D1
DE602004028502D1 DE602004028502T DE602004028502T DE602004028502D1 DE 602004028502 D1 DE602004028502 D1 DE 602004028502D1 DE 602004028502 T DE602004028502 T DE 602004028502T DE 602004028502 T DE602004028502 T DE 602004028502T DE 602004028502 D1 DE602004028502 D1 DE 602004028502D1
Authority
DE
Germany
Prior art keywords
filter
signal
far
applying
end signal
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.)
Active
Application number
DE602004028502T
Other languages
English (en)
Inventor
Geert Rombouts
Piet Verhoeve
Kris Struyve
Waterschoot Toon Van
Marc Moonen
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.)
TELEVIC NV
Original Assignee
TELEVIC NV
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 TELEVIC NV filed Critical TELEVIC NV
Publication of DE602004028502D1 publication Critical patent/DE602004028502D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/007—Electronic adaptation of audio signals to reverberation of the listening space for PA
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE602004028502T 2004-12-22 2004-12-22 Verfahren und Anordnung für das Schätzen einer Raumimpulsantwort Active DE602004028502D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04447290A EP1675374B1 (de) 2004-12-22 2004-12-22 Verfahren und Anordnung für das Schätzen einer Raumimpulsantwort

Publications (1)

Publication Number Publication Date
DE602004028502D1 true DE602004028502D1 (de) 2010-09-16

Family

ID=34933137

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004028502T Active DE602004028502D1 (de) 2004-12-22 2004-12-22 Verfahren und Anordnung für das Schätzen einer Raumimpulsantwort

Country Status (3)

Country Link
EP (1) EP1675374B1 (de)
AT (1) ATE476826T1 (de)
DE (1) DE602004028502D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8094838B2 (en) * 2007-01-15 2012-01-10 Eastman Kodak Company Voice command of audio emitting device
ATE484160T1 (de) 2007-05-22 2010-10-15 Phonak Ag Verfahren zur rückkopplungslöschung in einem hörgerät und hörgerät
EP2394442B1 (de) * 2009-02-06 2016-12-21 Oticon A/S Spektralbandsubstitution zur vermeidung von pfeifen und suboszillation
PT2015044915B (pt) 2013-09-26 2016-11-04 Univ Do Porto Cancelamento da realimentação acústica com base em análise cepstral
US9838804B2 (en) 2015-02-27 2017-12-05 Cochlear Limited Methods, systems, and devices for adaptively filtering audio signals
US20230254640A1 (en) 2020-07-09 2023-08-10 Toa Corporation Public address device, howling suppression device, and howling suppression method
CN113655440B (zh) * 2021-08-09 2023-05-30 西南科技大学 一种自适应折中预白化的声源定位方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59814316D1 (de) * 1998-01-14 2008-12-18 Bernafon Ag Schaltung und Verfahren zur adaptiven Unterdrückung einer akustischen Rückkopplung

Also Published As

Publication number Publication date
EP1675374A1 (de) 2006-06-28
EP1675374B1 (de) 2010-08-04
ATE476826T1 (de) 2010-08-15

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