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QUICK GUIDECommission an Installed Sound Environment
How to Measure Reverberation Time RT60
Reverberation is one of the main acoustic characteristics of a room and influences speech intelligibility.
On the MR-PRO, select GENERATOR from the main menu, click on WAV and select PNOISE, click
on MOD and select, click on CYC and select 3/3s.*
On the XL2, select RT60 from the main menu, Run from the second menu, and 1/1 OCT resolution.
In a quiet room, click SET.
This records the noise floor and sets the Level Markers
35dB above the noise floor in each frequency band.
*If the RT60 values you measure are greater than the cycle time, increase the cycle time.
Connect the MR-PRO to a line
input of your system.
Measure with the XL2 in a 6 to 12
meter grid.
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