EP 3491842 A1 20190605 - DEVICE FOR CALIBRATING MICROPHONES
Title (en)
DEVICE FOR CALIBRATING MICROPHONES
Title (de)
VORRICHTUNG ZUR KALIBRIERUNG VON MIKROFONEN
Title (fr)
DISPOSITIF D'ETALONNAGE DE MICROPHONES
Publication
Application
Priority
- FR 1657451 A 20160801
- FR 2017052148 W 20170731
Abstract (en)
[origin: WO2018024974A1] The invention relates to a calibration device (30) comprising a sound pick-up system (31) comprising microphones (40) connected to an audio signal processing device (34), the calibration device further comprising an enclosure (32) at least partially containing the processing device, a sound generator (36) connected to the processing device, and a microphone support (44) capable of keeping the microphones at the same distance from the sound generator.
IPC 8 full level
H04R 3/04 (2006.01); H04R 29/00 (2006.01)
CPC (source: EP US)
H04R 3/005 (2013.01 - US); H04R 3/04 (2013.01 - EP US); H04R 29/001 (2013.01 - US); H04R 29/004 (2013.01 - EP US); H04R 2201/028 (2013.01 - EP US)
Citation (search report)
See references of WO 2018024974A1
Designated contracting state (EPC)
AL 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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
FR 3054769 A1 20180202; FR 3054769 B1 20180831; EP 3491842 A1 20190605; US 2019182591 A1 20190613; WO 2018024974 A1 20180208
DOCDB simple family (application)
FR 1657451 A 20160801; EP 17757804 A 20170731; FR 2017052148 W 20170731; US 201716322797 A 20170731