Vox -01 Operating Manual page 21

• Start the RT60 module and press "arm"
• To trigger the measurement, shut off the noise source.
Once the device has been armed, it will start measuring the ambient noise field. At this
stage the device is continuously sampling the audio, but the RT60 measurement itself has
not yet been started. The device is merely detecting the moment the noise source has been
shut off - which is the beginning of the energy decay curve.
RT60 measurement screen, armed for measurement, but before a measurement has started
Make sure that the external sound source is always switched on BEFORE you
arm the VOX-01 for a measurement by pressing "arm"
Once the beginning of the energy decay curve has been detected, the device starts measuring.
By definition, no RT60 results can be calculated until the measurement and analysis are
completely finished. While the device is acquiring measuring data, the following screen is
displayed:
RT60 measurement screen, while the measurement is running and data is being acquired
VOX-01 Operating Manual
21