Global Patent Index - EP 0976124 A2

EP 0976124 A2 2000-02-02 - SPEECH DETECTION IN A TELECOMMUNICATION SYSTEM

Title (en)

SPEECH DETECTION IN A TELECOMMUNICATION SYSTEM

Title (de)

SPRACHERKENNUNG IN TELEKOMMUNIKATIONSSYSTEM

Title (fr)

DETECTION DE LA PAROLE DANS UN SYSTEME DE TELECOMMUNICATIONS

Publication

EP 0976124 A2 (EN)

Application

EP 98917143 A

Priority

  • FI 9800345 W
  • FI 971679 A

Abstract (en)

[origin: WO9848407A2] A method for speech detection in a telecommunication system comprising a signal source and a signal processor for processing a signal to be observed. In the method desired identification numbers are determined (107-110) from said signal, said identification numbers are fed into a neural network, output values are calculated (111) for speech and noise neurons on the basis of said identification numbers in said neural network and a decision is made (104) on whether said signal is speech or noise.

IPC 1-7 (main, further and additional classification)

G10L 3/00

IPC 8 full level (invention and additional information)

G10L 25/78 (2013.01); G10L 25/06 (2013.01); G10L 25/12 (2013.01); G10L 25/30 (2013.01)

CPC (invention and additional information)

G10L 25/78 (2013.01); G10L 25/06 (2013.01); G10L 25/12 (2013.01); G10L 25/30 (2013.01)

Citation (search report)

See references of WO 9848407A3

Designated contracting state (EPC)

BE DE DK ES FR GB IT NL SE

EPO simple patent family

WO 9848407 A2 19981029; WO 9848407 A3 19990211; AU 7045398 A 19981113; AU 736133 B2 20010726; CA 2286770 A1 19981029; EP 0976124 A2 20000202; FI 971679 A0 19970418; FI 971679 A 19981019; NZ 500272 A 20010330

INPADOC legal status


2003-10-22 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030415

2003-01-02 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7G 10L 11/02 A

2003-01-02 [RTI1] TITLE (CORRECTION)

- Free text: SPEECH DETECTION

2002-12-18 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7G 10L 3/00 A

2002-12-18 [RTI1] TITLE (CORRECTION)

- Free text: SPEECH DETECTION IN A TELECOMMUNICATION SYSTEM

2002-03-13 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: NOKIA CORPORATION

2000-02-02 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991022

2000-02-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): BE DE DK ES FR GB IT NL SE