EP 0818121 B1 20020904 - SOUND PICK-UP AND REPRODUCTION SYSTEM FOR A HEADSET IN A NOISY ENVIRONMENT
Title (en)
SOUND PICK-UP AND REPRODUCTION SYSTEM FOR A HEADSET IN A NOISY ENVIRONMENT
Title (de)
SYSTEM ZUR TON- UND HÖRAUFNAHME FÜR HELM IN GERÄUSCHVOLLER UMGEBUNG
Title (fr)
SYSTEME DE PRISE DE SON ET D'ECOUTE POUR EQUIPEMENT DE TETE EN AMBIANCE BRUITEE
Publication
Application
Priority
- FR 9700061 W 19970114
- FR 9600935 A 19960126
Abstract (en)
[origin: WO9727723A1] A sound pick-up and reproduction system for a headset in a noisy environment, comprising, on the sound pick-up side, at least one microphone (20) followed by a sampling device (25), a decimation unit (26) and a device (27) for compensating signal deformation occurring in the upstream sound chain, and, on the reproduction side, an interpolator (5) followed by a device (6) for compensating the operator's hearing deficiencies, and an active noise reduction loop (10, 11, 7, 12, 13, 14).
IPC 1-7
IPC 8 full level
G10K 11/178 (2006.01); H04R 3/00 (2006.01); H04R 3/04 (2006.01); H04R 25/00 (2006.01)
CPC (source: EP US)
H04R 3/04 (2013.01 - EP US)
Designated contracting state (EPC)
DE GB NL
DOCDB simple family (publication)
WO 9727723 A1 19970731; CA 2214094 A1 19970731; DE 69715110 D1 20021010; DE 69715110 T2 20030515; EP 0818121 A1 19980114; EP 0818121 B1 20020904; FR 2744320 A1 19970801; FR 2744320 B1 19980306; IL 121473 A0 19980208; IL 121473 A 20001031; JP H11502692 A 19990302; NO 974418 D0 19970924; NO 974418 L 19971121; US 6058194 A 20000502
DOCDB simple family (application)
FR 9700061 W 19970114; CA 2214094 A 19970114; DE 69715110 T 19970114; EP 97900642 A 19970114; FR 9600935 A 19960126; IL 12147397 A 19970114; JP 52658597 A 19970114; NO 974418 A 19970924; US 91384897 A 19970926