BRUEL & KJAER HF HATS 5128 - Second and Third Harmonic Distortion of the Mouth Simulator

High-frequency Head and Torso Simulator (HF HATS) Type 5128 – User Manual
22
Fig.3.3
The sound pressure
level distribution
around the mouth
opening with the
mouth insert in place
(average from 300 Hz
to 3.3 kHz)
Fig.3.4 Second and third harmonic distortion of the mouth simulator
05021
Vertical Plane Horizontal Plane
80
100
mm mm
60
40
20
80
100
60
40
20
0 2 0 4 0 6 0m m8 0 1 0 0 0 2 0 4 0 6 0m m8 0 1 0
–14
–12
–10
–8 dB
–6
–4
–2
0
+2
+4
+6
–14
–12
–10
–8 dB
–6
–4
–2
0
+2
+4
+6
Preliminary Draft
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
100 1000 10 000
990227/1
Frequency (Hz)
dB
3rd Harmonic2nd Harmonic