Title:
MICROPHONE DEVICE AND METHOD OF DETECTING FLOOR NOISE
Document Type and Number:
WIPO Patent Application WO/2021/172934
Kind Code:
A1
Abstract:
Disclosed are a microphone device and a method of detecting floor noise. A microphone device according to an embodiment of the present invention comprises: a high-pitched sound contact microphone which receives sound from a medium within a first band as a target band, and generates a first sound reception signal; a low-pitched sound contact microphone which receives sound from the medium within a second band, as a target band, which is a frequency band lower than the first band, and generates a second sound reception signal; and a controller which generates a summed sound reception signal by adding up the first sound reception signal and the second sound reception signal.
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Inventors:
GOO BONN-HEE (KR)
HONG SEUNG-GEUN (KR)
KIM DONG-JUN (KR)
HONG SEUNG-GEUN (KR)
KIM DONG-JUN (KR)
Application Number:
PCT/KR2021/002455
Publication Date:
September 02, 2021
Filing Date:
February 26, 2021
Export Citation:
Assignee:
SIREN ACOUSTICS INC (KR)
International Classes:
H04R3/00; H04R1/04; H04R1/08; H04R1/42; H04R3/04; H04R7/12
Foreign References:
| KR20160146111A | 2016-12-21 | |||
| KR20180123319A | 2018-11-16 | |||
| JP2003259476A | 2003-09-12 | |||
| KR20170024181A | 2017-03-07 | |||
| KR20130131582A | 2013-12-04 |
Attorney, Agent or Firm:
HANYANG PATENT FIRM (KR)
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