ATE476826T1 - Verfahren und anordnung für das schätzen einer raumimpulsantwort - Google Patents
Verfahren und anordnung für das schätzen einer raumimpulsantwortInfo
- Publication number
- ATE476826T1 ATE476826T1 AT04447290T AT04447290T ATE476826T1 AT E476826 T1 ATE476826 T1 AT E476826T1 AT 04447290 T AT04447290 T AT 04447290T AT 04447290 T AT04447290 T AT 04447290T AT E476826 T1 ATE476826 T1 AT E476826T1
- Authority
- AT
- Austria
- Prior art keywords
- filter
- signal
- far
- applying
- end signal
- Prior art date
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; 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
- 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; ELECTRIC HEARING AIDS; 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)
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 |
|---|---|
| ATE476826T1 true ATE476826T1 (de) | 2010-08-15 |
Family
ID=34933137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT04447290T ATE476826T1 (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)
| 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 |
| DK2165567T3 (da) | 2007-05-22 | 2011-01-31 | Phonak Ag | Fremgangsmåde til feedbackophævelse i et høreapparat og et høreapparat |
| AU2009339343A1 (en) * | 2009-02-06 | 2011-08-18 | Oticon A/S | Spectral band substitution to avoid howls and sub-oscillation |
| US20170188147A1 (en) | 2013-09-26 | 2017-06-29 | Universidade Do Porto | Acoustic feedback cancellation based on cesptral analysis |
| US9838804B2 (en) | 2015-02-27 | 2017-12-05 | Cochlear Limited | Methods, systems, and devices for adaptively filtering audio signals |
| JP7498775B2 (ja) | 2020-07-09 | 2024-06-12 | Toa株式会社 | 拡声装置、ハウリング抑圧装置及びハウリング抑圧方法 |
| 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)
| 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 |
-
2004
- 2004-12-22 EP EP04447290A patent/EP1675374B1/de not_active Expired - Lifetime
- 2004-12-22 AT AT04447290T patent/ATE476826T1/de not_active IP Right Cessation
- 2004-12-22 DE DE602004028502T patent/DE602004028502D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1675374A1 (de) | 2006-06-28 |
| DE602004028502D1 (de) | 2010-09-16 |
| EP1675374B1 (de) | 2010-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE544299T1 (de) | Verfahren und system zum kalibrieren von mikrofonen | |
| DE59914782D1 (de) | Verfahren zur Störbefreiung eines Mikrophonsignals | |
| US8340278B2 (en) | Method and apparatus for cross-talk resistant adaptive noise canceller | |
| US20070165871A1 (en) | Audio system having reverberation reducing filter | |
| US9509854B2 (en) | Echo cancellation | |
| EP1424846A3 (de) | Akustischer Echokompensator | |
| ATE551827T1 (de) | Verfahren zum erweitern des akustischen echol schsystems unter verwendung eines restechofilters | |
| TW200615902A (en) | Adaptive beamformer, sidelobe canceller, handsfree speech communication device | |
| DE69310240D1 (de) | Verfahren und Anordnung zur adaptiven digitalen Löschung des in Fernsprechverbindungen mit zeitvarianten Eigenschaften erzeugten Echos | |
| DE602004023968D1 (de) | System und verfahren für erweitertes stereo-audio | |
| MY143284A (en) | Method for wavelet denoising of controlled source electromagnetic survey data | |
| DE602005013362D1 (de) | Echolöscher mit durch störungspegel gesteuerter schrittgrösse | |
| ATE494729T1 (de) | System und verfahren zur adaptiven ungleichförmigkeitskompensation für ein fokalebenenarray | |
| WO2007110857A3 (en) | Joint optimization of transmitter and receiver pulse-shaping filters | |
| DK1529282T3 (da) | Fremgangsmåde og anlæg til behandling af underbåndssignaler under anvendelse af adaptive filtre | |
| WO2007004188A3 (en) | Apparatus and method for acoustic beamforming | |
| ATE450983T1 (de) | Kompensation des echos und der rückkopplung | |
| ATE484160T1 (de) | Verfahren zur rückkopplungslöschung in einem hörgerät und hörgerät | |
| WO2005036761A3 (en) | System, method and apparatus for crosstalk cancellation | |
| DE602004028502D1 (de) | Verfahren und Anordnung für das Schätzen einer Raumimpulsantwort | |
| WO2008081335A3 (en) | Cancellation of contact artifacts in a differential electrophysiological signal | |
| NO20053393A (no) | Fremgangsmåte og system for ekkokansellering med liten forsinkelse. | |
| DE50209842D1 (de) | Vorrichtung und verfahren zur mehrkanaligen akustischen echokompensation mit variabler kanalzahl | |
| KR100545832B1 (ko) | 간섭신호에 강인한 음향 반향 제거장치 | |
| CN105356861A (zh) | 一种有源降噪的方法和系统 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |