| 54 |
Title |
TI |
[DE] Verfahren und Vorrichtung zur Echokompensation bei Sprachsignalen
[EN] Method and device to compensate echo in speech signals
[FR] Méthode et dispositif pour la compensation de l'écho dans un signal de parole |
| 71/73 |
Applicant/owner |
PA |
GRUNDIG MULTIMEDIA BV, NL
|
| 72 |
Inventor |
IN |
BUCHNER HERBERT, DE
;
TOEDTMANN THORSTEN DR, DE
|
| 22/96 |
Application date |
AD |
Apr 23, 2004 |
| 21 |
Application number |
AN |
04009623 |
|
Country of application |
AC |
EP |
|
Publication date |
PUB |
May 17, 2006 |
33
31
32 |
Priority data |
PRC
PRN
PRD |
DE
10318598
20030424
|
| 51 |
IPC main class |
ICM |
G10L 21/02
(2006.01)
|
| 51 |
IPC secondary class |
ICS |
H04B 3/23
(2006.01)
|
|
IPC additional class |
ICA |
|
|
IPC index class |
ICI |
|
|
Cooperative patent classification |
CPC |
G10L 2021/02082
H04M 9/082
|
|
MCD main class |
MCM |
|
|
MCD secondary class |
MCS |
H04B 3/23
(2006.01)
H04M 9/08
(2006.01)
|
|
MCD additional class |
MCA |
G10L 21/0208
(2013.01)
|
| 57 |
Abstract |
AB |
|
| 56 |
Cited documents identified in the search |
CT |
EP000000878920A2
EP000001022865A1
US000006526140B1
US000006792106B1
US020020041678A1
|
| 56 |
Cited documents indicated by the applicant |
CT |
|
| 56 |
Cited non-patent literature identified in the search |
CTNP |
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 13 30 November 1999 (1999-11-30) 0
|
| 56 |
Cited non-patent literature indicated by the applicant |
CTNP |
|
|
Citing documents |
|
Determine documents
|
|
Sequence listings |
|
|
|
Search file IPC |
ICP |
G10L 15/20
G10L 21/02
|
