39
Reference incidence direction and reference point
position
Fig. 1 Reference incidence direction and reference point position
Frequency Response
The frequency response of a sound field microphone is ex-
pressed as the frequency response in the reference direction
of incidence (0º).
The diagram below shows an example for the frequency response
of the microphone UC-52.
Fig. 2 Frequency response of the microphone UC-52
Reference direction
of incidence
Reference point position
Center of diaphragm plane
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Response (dB)
10
100
1 000
10 000
100 000
Frequency (Hz)
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