Another Way to Skin an FX Send

Modern digital audio workstations offer a plethora of ways to solve your mixing and routing problems. Inspired somewhat by Craig Anderton’s latest column in Sound on Sound, I discovered a new way to apply reverb selectively to multiple tracks, in Cakewalk By BandLab using the Sonitus Reverb VST. Here’s my use case:

I have Lead and Backing vocal tracks, and I want to apply a long-tail reverb to portions of the verse and chorus phrases. (The main sustained notes provide a wash of reverb in the background, but keeping it clean and un-muddled by fricatives and fast syllables.)

In the past I have created a “VOX FX” Buss, put an instance of Sonitus Reverb on it, and directed it to feed the “VOX” main buss. Finally, I add a Send on each vocal track to feed the VOX FX, and use “Send Level” automation on each track:


This works well, and allows the automation curves to be adjusted per-track.

But what if you have more than two tracks, and per-track envelopes isn’t needed? Could there be a way to send audio to the reverb using a single automation curve? I experimented with using an Aux track, intending to add a send on each vocal track to the Aux track, then use the “Automated Send To FX Buss” trick described above.

However, I realized that I could simplify things by putting the reverb effect on the Aux track itself, and then automating the “VST Input Level” instead:

From the Edit Filter selector (displaying “Clips” by default) we can drill down into the Sonitus Reverb and select “Input” from the automation choices:


Now we can draw the automation envelope (only one is needed) to control the amount of audio from all tracks being processed by the reverb:


This gets the job done, and no need for a general purpose fx buss.

As I mentioned above, there are good reasons NOT to do it this way – but it is nice to have the option.

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