Global Patent Index - EP 0912974 B1

EP 0912974 B1 2000-04-12 - METHOD OF REDUCING VOICE SIGNAL INTERFERENCE

Title (en)

METHOD OF REDUCING VOICE SIGNAL INTERFERENCE

Title (de)

VERFAHREN ZUR VERRINGERUNG VON STÖRUNGEN EINES SPRACHSIGNALS

Title (fr)

PROCEDE POUR REDUIRE LES PARASITES DANS UN SIGNAL VOCAL

Publication

EP 0912974 B1 (DE)

Application

EP 97930489 A

Priority

  • DE 19629132 A
  • EP 9703482 W

Abstract (en)

[origin: DE19629132A1] The invention concerns a method of reducing voice signal interference using a noise-reducing method. According to the invention, a masking curve is determined both for the input signal and the output signal of the noise reduction. By comparing the signal portions exceeding the respective masking curve, newly audible portions can be detected in the form of interference in the output signal, according to the type of musical tone, and subsequently damped selectively.

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

G10L 21/02; G10L 11/00

IPC 8 full level (invention and additional information)

G10L 15/20 (2006.01); G10L 13/00 (2006.01); G10L 21/0208 (2013.01); H04M 1/74 (2006.01); G10L 21/0264 (2013.01)

CPC (invention and additional information)

G10L 21/0208 (2013.01); G10L 21/0264 (2013.01)

Designated contracting state (EPC)

AT CH DE ES FR GB IT LI

DOCDB simple family

DE 19629132 A1 19980122; AT 191806 T 20000415; CA 2260893 A1 19980129; CA 2260893 C 20050517; EP 0912974 A1 19990506; EP 0912974 B1 20000412; ES 2146107 T3 20000716; JP 2002509620 A 20020326; JP 4187795 B2 20081126; US 6687669 B1 20040203; WO 9803965 A1 19980129