Title:
AUTOMATIC ACOUSTIC PERFORMANCE MEASURING SYSTEM FOR REVERBERANT CHAMBER
Document Type and Number:
Japanese Patent JP3171960
Kind Code:
B2
Abstract:
PURPOSE: To measure sound transmission loss, sound absorption coefficient, and floor impulsive sound isolation performance of architectural material using an octave band real time analyzer and a personal computor.
CONSTITUTION: Two reverberant chambers A1, A2 are arranged adjacently to each other through a sample architectural wall member where one reverberant chamber A1 is arranged with a speaker 9a and a microphone 3a as a sound source chamber whereas the other reverberant chamber A2 is arranged with a microphone 3b as a sound receiving chamber. Sound pressure levels in the sound source chamber and the sound receiving chamber are measured and analyzed through an octave band real time analyzer 1 to determine a sound transmission loss which is displayed on a screen or printed out through a personal computor 2.
More Like This:
| JPS5560824 | REVERBERATION TIME MEASURING INSTRUMENT |
Inventors:
Tadashi Nakao
Yukio Kojima
Hideo Nagamatsu
Kazumi Ueda
Yukio Kojima
Hideo Nagamatsu
Kazumi Ueda
Application Number:
JP28888892A
Publication Date:
June 04, 2001
Filing Date:
October 27, 1992
Export Citation:
Assignee:
Sekisui House, Ltd.
International Classes:
G01H7/00; G01H17/00; (IPC1-7): G01H17/00
Domestic Patent References:
| JP5635025A | ||||
| JP58127131A | ||||
| JP5565523U |
Attorney, Agent or Firm:
Juichiro Yano