In this video you will learn two ways to create custom impulse responses in REAPER and how to use them in the included ReaVerb Convolution Reverb plugin.
The ReaVerb plugin (and most other convolution processors) can load any wav file to combine with an incoming source signal.
For a basic reverb we want the volume to reduce over time (simple fade out) as well as high frequencies absorbed over time (automated Low Pass/High-cut filter)
Method 1 - Noise generated reverb
* Create an empty MIDI item 2 seconds long
* Add JS Pink or White noise generator to item take fx chain
* glue item to create stereo wave file
* Fade out
* Apply EQ and automate Low pass Filter frequency
* Add other fx for movement, echoes or color.
* Adjust volume to about -18dBFS
* Render to wav file
We use a slightly different method if we want to 'sample' the sound of a reverb or delay plugin/pedal/hardware. A noise burst is fed into a processor and we capture the output.
Method 2 - noise burst through a processor
* Short noise file 1-5ms
* insert plugin reverb or delay, or send to hardware effect (100% wet signal)
* set time selection to decay time
* render to wav file.
* optionally trim first 1-5ms of this file depending on result.
These files can be loaded into ReaVerb and are ready to use. ReaVerb has a normalize function, use either "Apply -18dB Gain" or "normalize to -18dBFS" options.
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