Would it be possible to get repeatable (if not exact RT60) times by doing something similar to what Wallace Clement Sabine did - play a short sound and then measure the time till it decays, in this case using the trigger mode in SignalScope? I've tried this with a hand clap and get what looks like a useful waveform.
You could certainly use Sabine's approach. However, the trick with using SignalScope, is that you would need to square the resulting waveform and then convert it to dB. Since there is not currently a way to get the waveform data out of SignalScope and onto your Mac or PC, it would not be very convenient.
SoundMeter could be used, but it would have its own challenges. In particular, it would be more subject to human error.
Previously a consultant calculated (not measured) RT60 to be 3.0 seconds. I assume measuring this parameter is the best way to judge the effects of changes to the room.
I would definitely recommend doing your best to come up with a consistent, repeatable measurement method to quantify changes to the room acoustics.
I think being able to measure Reverberation Time in the empty room (no people) would be more useful since there are no unknown or uncontrollable variables (number of people in the room, etc.).
Absolutely. Having people in the room will definitely affect the room's behavior, but you want to have as few variables as possible when determining the effects of your treatments.
They are all great products and blow people away when I show them it's on my phone
Thank you for your feedback!
Ben