Soft dB Opus Suite Building Acoustics Module Reverberation Time ISO 3382 - Manual (Page 21)

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5) Select the appropriate Trigger Level 4 necessary to detect the noise interruption.
6) Click OK to return to the main interface.
Step 2 Running the Measurement
1) Turn on the external noise generator and adjust the volume to the desired level.
2) Click the button to launch the measurement process.
3) The measurement status should go through these steps:
At this point, 1 average iteration is complete and the process is waiting for another average iteration.
Step 3 Adding More Average Iterations
When an average iteration is finished, turn on the noise generator again and click the
button. The process should go through the same steps described in Step 2.
Step 4 Stopping the Measurement
The measurement stops when the specified Average Number is reached. The user can stop the
measurement process at any time by clicking the button.
Step 5 Saving the Measurement
4 The trigger level is used to detect the noise interruption (i.e. if the trigger level is set to 5 dB, a noise
interruption will be detected when the noise level is 5 dB lower than the activated noise level).
Waiting for stable noise
Ready for noise interruption
You can now turn off the noise generator
Waiting for stable floor noise
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2
3
4
Processing 5
Finished 6