Title:
SOUND SIMULATOR AND SOUND SIMULATING METHOD
Document Type and Number:
WIPO Patent Application WO/2003/034022
Kind Code:
A1
Abstract:
A sound simulator (10) comprises a model (12) having a sound space (11) and piezoelectric loudspeakers (22), almost nondirectional polyhedral loudspeaker (20) disposed in position in the sound space (11), amplifier (13a) for driving the piezoelectric loudspeakers (22), a microphone (14a) for receiving the response signal of the sound space caused by the drive of the loudspeaker (20) in the sound space (11), microphone amplifier (14b) for amplifying the output of the microphone (14a) up to a predetermined amplitude, and a computer (17) for analyzing the output signal of the microphone amplifier (14b).
Inventors:
TAHARA YASUHIKO (JP)
SASAKI SHINICHI (JP)
ISHIKAWA KATSUYUKI (JP)
SASAKI SHINICHI (JP)
ISHIKAWA KATSUYUKI (JP)
Application Number:
PCT/JP2002/010621
Publication Date:
April 24, 2003
Filing Date:
October 11, 2002
Export Citation:
Assignee:
TAHARA YASUHIKO (JP)
TAIHEIYO CEMENT CORP (JP)
SASAKI SHINICHI (JP)
ISHIKAWA KATSUYUKI (JP)
TAIHEIYO CEMENT CORP (JP)
SASAKI SHINICHI (JP)
ISHIKAWA KATSUYUKI (JP)
International Classes:
G01H17/00; A63J5/04; G10K15/00; H04R1/02; H04R1/40; H04R17/00; (IPC1-7): G01M17/00
Foreign References:
| JPS5699988U | 1981-08-06 |
Other References:
KUTTRUFF H.: "WKSB. Zeitschrift fuer waermeschuz, kaelteschutz, schallschuntz, brandschutz", vol. 33, no. 24, 1988, pages 1 - 6, XP002961050
Attorney, Agent or Firm:
Takayama, Hiroshi (Shin-Yokohama IC Building 18-9 Shin-Yokohama
3-chome Kohoku-k, Yokohama-shi Kanagawa, JP)
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