Global Patent Index - EP 1159795 A1

EP 1159795 A1 20011205 - METHOD FOR CONTROLLING THE QUALITY OF A DIGITAL AUDIO SIGNAL BROADCAST WITH AN AUDIO-VISUAL PROGRAMME

Title (en)

METHOD FOR CONTROLLING THE QUALITY OF A DIGITAL AUDIO SIGNAL BROADCAST WITH AN AUDIO-VISUAL PROGRAMME

Title (de)

VERFAHREN ZUR QUALITÄTSÜBERWACHUNG VON EINEM DIGITALTONSIGNAL DAS MIT EINEM RUNDFUNKPROGRAMM ÜBERTRAGEN WIRD

Title (fr)

PROCEDE DE CONTROLE DE LA QUALITE D'UN SIGNAL AUDIONUMERIQUE DIFFUSE AVEC UN PROGRAMME AUDIOVISUEL

Publication

EP 1159795 A1 20011205 (FR)

Application

EP 00909432 A 20000306

Priority

  • FR 0000551 W 20000306
  • FR 9902821 A 19990308
  • FR 9904179 A 19990402

Abstract (en)

[origin: WO0054441A1] The invention concerns a method for controlling the quality of a distributed digital audio signal. The digital audio signal (ADS) is subjected to a detection of spurious signals such as brief interruption (101), squeal (102), humming (103), left/right phase shift (104). A warning signal is produced (105, 106) if one at least of the spurious signals is present. The invention is applicable in radio and digital television broadcasting.

IPC 1-7

H04H 1/00

IPC 8 full level

H04H 20/88 (2008.01)

CPC (source: EP)

H04H 20/12 (2013.01); H04H 20/88 (2013.01)

Citation (search report)

See references of WO 0054441A1

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

FR 2790900 A1 20000915; FR 2790900 B3 20010427; DE 60031767 D1 20061221; DE 60031767 T2 20070920; EP 1159795 A1 20011205; EP 1159795 B1 20061108; ES 2276671 T3 20070701; WO 0054441 A1 20000914

DOCDB simple family (application)

FR 9904179 A 19990402; DE 60031767 T 20000306; EP 00909432 A 20000306; ES 00909432 T 20000306; FR 0000551 W 20000306