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Callibrate a room with DUY31
The room callibration process will evaluate the room's acoustics and the frequency response of your monitors, adjusting the frequency contents in order to EQ your audio before sending it into your room, compensating frequencies!!
In order to start the room calibration process, which will evaluate the room's acoustics and the frequency response of the monitors, you will need:
- An omnidirectional microphone with the flattest frequency response possible (a callibration microphone)
- A pink noise generator. Pink noise has equal energy in all octaves. A noise generator is provided in this DUY31 suite of plug-ins, (DUY31|noiser).
Procedure:
a) Insert DUY31|noiser in a track. Select the Pink Noise option from its interface. You will hear noise, which should be output using your PA system in live applications or your monitoring system for reduced studio or similar environments. You should output using a realistic performance level (therefore, don't try to output a lower level than the one you'll be using during the "real" performance). Please be careful with high signal levels. They can damage your hearing!
b) Create a track (direct input or auxiliary track) which collects the signal received from the calibration microphone. This is the track where DUY31|graphic will be inserted.
c) Make sure that the input signal is around -12 dB to allow for occasional peaks in the signal. You shouldn't allow any clipping or distortion at the input during the process.
It's important that you make sure that you mute the track's output (obviously not the input) in order to avoid feedback!!!
d) While receiving the microphone's signal, click on the "Pinker" button. A small bar below the button will indicate the stage of the room callibration.
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e) Once the calibration or "pinking" process is over, you will see that the sliders on each one of the EQ's bands have automatically adapted the gain for each band to the room's characteristics.
f) Obviously, you should now save the obtained calibration state in order to recall it at a later time. You can do this by saving as a preset using the Patch Manager located in the Edition bar.
Additional issues:
- Note that above the "Pinker" button on the user interface, you have a "CLR" button. By clicking it, you can clear the calibration data received until that moment. This doesn't change the slider gain values. It simply allows you to start the callibration process with fresh data again.
- It may seem obvious, but you shouldn't allow for any other signal than the noise itself to enter your system during the calibration process. This would result in an incorrect calibration.
Try out the demo of the 3 plug-ins included in the DUY31 suite of plug-ins!
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