
Product Overview Sound Level Meters & Accessories
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PC SOFTWARE DIRAC FOR ROOM
ACOUSTICS – 7841
USES
PC Software for measuring room acoustical param-
eters according to ISO 3382
Objective rating of speech intelligibility by speech
transmission index
RASTI, STI, STIPA and STITEL
FEATURES
The sound level meter is used as a measurement
microphone
Loudspeaker or impulsive excitation (balloon, pistol)
Easy to operate
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