Title:
MICROPHONE ARRAY ARRANGEMENT STRUCTURE IN VEHICLE CABIN
Document Type and Number:
WIPO Patent Application WO/2013/069620
Kind Code:
A1
Abstract:
This microphone array arrangement structure (100) in a vehicle cabin (150) is provided with multiple microphones (11, 12, 13, 14) arranged in a convex curved line (LM). These microphones (11, 12, 13, 14) include a first microphone (11), and the direction (DR1) of the axis of the first microphone (11) faces the mouth (171) of the driver (170). The microphone array arrangement structure (100) is further provided with covers (30, 31, 33) housing said microphones (11, 12, 13, 14) and having multiple holes (21, 22, 23, 24). The front surface of said covers (30, 31, 33) form a convex curved line (LC), and each of the microphones (11, 12, 13, 14) is fixed inside of a cover (31, 33) to correspond to one of the holes (21, 22, 23, 24).
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Inventors:
IWAI SHIRO (JP)
NAKADAI KAZUHIRO (JP)
TSUJINO HIROSHI (JP)
NAKADAI KAZUHIRO (JP)
TSUJINO HIROSHI (JP)
Application Number:
PCT/JP2012/078685
Publication Date:
May 16, 2013
Filing Date:
November 06, 2012
Export Citation:
Assignee:
HONDA ACCESS KK (JP)
HONDA MOTOR CO LTD (JP)
HONDA MOTOR CO LTD (JP)
International Classes:
H04R1/40; H04R1/02; H04R3/00
Foreign References:
| JP2000312395A | 2000-11-07 | |||
| JP2008193420A | 2008-08-21 | |||
| JPS6262553U | 1987-04-18 | |||
| JP2009225379A | 2009-10-01 |
Attorney, Agent or Firm:
SHIMODA, Yo-ichiro et al. (JP)
Yoichiro Shimoda (JP)
Yoichiro Shimoda (JP)
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Claims: