RT60 (Reverb Time Analyzing)
The RT60 function of the PAA3 is easy enough
to understand: it is basically the time it takes for
a signal to drop 60 dB. Getting the average of
many different RT60 calculations from around a
room allows users to get an idea as to how much
absorption or reection of audio the room provides.
Depending on your needs, you may wish to have
a high or low RT60 measurement. For example,
for public speaking, an RT60 measurement of
less than 1 second is preferable, as to have a
clear, concise voice conveyed to the audience.
With choirs or instrumental music, an RT60
measurement of greater than 1.5 seconds may be
appropriate. It all depends on your needs.
Measuring Reverb Time:
1. Press enter to open the main menu and
select “RT60.”
2. Simply click “RUN” to get your RT60
reading.
3. The PAA3 will wait for a signal greater than
30 dB over the background noise level
(detected prior to the measurement). A little
helpful hint: the louder the test signal, the
greater accuracy of your RT60 calculation.
4. Play the pink noise from the included CD
through your audio system. Slowly move the
master fader up, to a point where the audio
level received by the PAA3 is greater than
30 dB. Quickly mute the system to get your
RT60 reading as accurate as possible.
5. After the measurement is taken, the RT60
measurement will appear onscreen.
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