Global Patent Index - EP 2245622 A1

EP 2245622 A1 20101103 - METHOD AND MEANS FOR DECODING BACKGROUND NOISE INFORMATION

Title (en)

METHOD AND MEANS FOR DECODING BACKGROUND NOISE INFORMATION

Title (de)

VERFAHREN UND MITTEL ZUR DEKODIERUNG VON HINTERGRUNDRAUSCHINFORMATIONEN

Title (fr)

PROCÉDÉS ET MOYENS POUR DÉCODER DES INFORMATIONS DE BRUIT DE FOND

Publication

EP 2245622 A1 20101103 (DE)

Application

EP 09712583 A 20090202

Priority

  • EP 2009051120 W 20090202
  • DE 102008009720 A 20080219

Abstract (en)

[origin: WO2009103609A1] A basic idea of the invention is to ascertain information on the course of the bit rate switching during an active speech phase. According to the invention, during the speech phase, information on the percentage proportion of broadband active speech frames in comparison to narrowband active speech frames is compiled on the part of the decoder. A high percentage proportion of broadband active speech frames indicates that a broadband use is preferred on the part of the codec and therefore a need exists for synthesizing noise information in broadband form during a DTX phase.

IPC 8 full level

G10L 19/00 (2006.01); G10L 19/012 (2013.01); G10L 19/24 (2013.01)

CPC (source: EP US)

G10L 19/012 (2013.01 - EP US); G10L 19/24 (2013.01 - EP US)

Citation (search report)

See references of WO 2009103609A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

DE 102008009720 A1 20090820; CN 101946281 A 20110112; CN 101946281 B 20120815; EP 2245622 A1 20101103; EP 2245622 B1 20160713; JP 2011512564 A 20110421; JP 5006975 B2 20120822; KR 101166650 B1 20120723; KR 20100125340 A 20101130; RU 2010138566 A 20120327; RU 2454737 C2 20120627; US 2011040560 A1 20110217; US 8260606 B2 20120904; WO 2009103609 A1 20090827

DOCDB simple family (application)

DE 102008009720 A 20080219; CN 200980105637 A 20090202; EP 09712583 A 20090202; EP 2009051120 W 20090202; JP 2010547138 A 20090202; KR 20107020944 A 20090202; RU 2010138566 A 20090202; US 86779109 A 20090202