| (19) |
 |
|
(11) |
EP 1 469 702 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
17.11.2004 Bulletin 2004/47 |
| (43) |
Date of publication A2: |
|
20.10.2004 Bulletin 2004/43 |
| (22) |
Date of filing: 15.03.2004 |
|
| (51) |
International Patent Classification (IPC)7: H04R 25/00 |
|
| (84) |
Designated Contracting States: |
|
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
|
|
Designated Extension States: |
|
AL LT LV MK |
| (71) |
Applicant: PHONAK AG |
|
8712 Stäfa (CH) |
|
| (72) |
Inventor: |
|
- Roeck, Hans-Ueli
8634 Hombrechtikon (CH)
|
| (74) |
Representative: Troesch Scheidegger Werner AG |
|
Schwäntenmos 14
8126 Zumikon
8126 Zumikon (CH) |
|
| |
|
| (54) |
Feedback suppression |
(57) Feedback suppression is performed at a hearing device with a controllable beamformer
(12) and a feedback compensator path (18) in that the adaptation rate of acoustical/electrical
conversion including beamforming is controlled in dependency of the gain along the
feedback compensating signal path (18).