WO2001093554A3 - Method and device for acoustic echo cancellation combined with adaptive beamforming - Google Patents
Method and device for acoustic echo cancellation combined with adaptive beamforming Download PDFInfo
- Publication number
- WO2001093554A3 WO2001093554A3 PCT/EP2001/005091 EP0105091W WO0193554A3 WO 2001093554 A3 WO2001093554 A3 WO 2001093554A3 EP 0105091 W EP0105091 W EP 0105091W WO 0193554 A3 WO0193554 A3 WO 0193554A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adaptive
- data
- echo cancelling
- adaptive beamforming
- beamformer
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Surgical Instruments (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60129955T DE60129955D1 (en) | 2000-05-26 | 2001-05-04 | METHOD AND DEVICE FOR ACOUSTIC ECHOUNTER PRESSURE WITH ADAPTIVE RADIATION |
JP2001588218A JP2003535510A (en) | 2000-05-26 | 2001-05-04 | Method and apparatus for voice echo cancellation combined with adaptive beamforming |
EP01929622A EP1287672B1 (en) | 2000-05-26 | 2001-05-04 | Method and device for acoustic echo cancellation combined with adaptive beamforming |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00201881 | 2000-05-26 | ||
EP00201881.0 | 2000-05-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001093554A2 WO2001093554A2 (en) | 2001-12-06 |
WO2001093554A3 true WO2001093554A3 (en) | 2002-10-03 |
Family
ID=8171566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/005091 WO2001093554A2 (en) | 2000-05-26 | 2001-05-04 | Method and device for acoustic echo cancellation combined with adaptive beamforming |
Country Status (7)
Country | Link |
---|---|
US (1) | US7035415B2 (en) |
EP (1) | EP1287672B1 (en) |
JP (1) | JP2003535510A (en) |
CN (1) | CN100477704C (en) |
AT (1) | ATE370608T1 (en) |
DE (1) | DE60129955D1 (en) |
WO (1) | WO2001093554A2 (en) |
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- 2001-05-04 JP JP2001588218A patent/JP2003535510A/en active Pending
- 2001-05-04 WO PCT/EP2001/005091 patent/WO2001093554A2/en active IP Right Grant
- 2001-05-04 EP EP01929622A patent/EP1287672B1/en not_active Expired - Lifetime
- 2001-05-04 CN CNB018014267A patent/CN100477704C/en not_active Expired - Fee Related
- 2001-05-04 DE DE60129955T patent/DE60129955D1/en not_active Expired - Lifetime
- 2001-05-04 AT AT01929622T patent/ATE370608T1/en not_active IP Right Cessation
- 2001-05-15 US US09/855,626 patent/US7035415B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
EP1287672B1 (en) | 2007-08-15 |
JP2003535510A (en) | 2003-11-25 |
CN100477704C (en) | 2009-04-08 |
DE60129955D1 (en) | 2007-09-27 |
US7035415B2 (en) | 2006-04-25 |
CN1451226A (en) | 2003-10-22 |
US20020015500A1 (en) | 2002-02-07 |
ATE370608T1 (en) | 2007-09-15 |
EP1287672A2 (en) | 2003-03-05 |
WO2001093554A2 (en) | 2001-12-06 |
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