Monday, September 20, 2010

Quick Tip: CV Scope & CV Sampling/Recording

Record users may already know this trick for quite some time :)

You can record CV data to an audio track through the use of a CV to Audio converter (like the CV2Audio2CV) to then examine the CV waveform. This is useful when we need to debug or check the CV values being generated by a device.

The only problem with this, is that if we're on a long tweaking session, the CV recording (i.e. CV "log") may get pretty big unnecessarily. One solution is to go on a sequence of short recordings, while deleting the resulting Audio Track clips in between those sessions.

But now there's Reason 5 and it's new Sampling capabilities that we can use also for CV monitoring.

So, now, instead of recording to a track, we can just Sample the CV, again through the use of a CV to Audio conversion (wiring the audio output of Thor to the Sampling input at the back of the rack, making it the sampling source).

This allows us to keep an eye on the thumbnail Sampling scope window, while doing our CV tweaking and testing.

If closer inspection is needed, we can always edit that sampled waveform and check it more closely through the sample editor.

To get that Sampling scope running, you simply add any of the existing samplers, initialize it, press the Sampling button and let it run by itself while you work on the CV generation devices.

Don't worry about running out of memory because the continuous sampling session will only keep the last 30sec of sample data.

Speaking of CV recording and sampling, remember that you can, when useful, take advantage of that and keep that data to be played by a sampler (or an audio track in Record's case) and convert it back to CV, while playing with the sampler's OSC pitch (or Filter settings) will "mess" with the original CV data rate or quality of the values, this may indeed be a wanted effect, you only have to keep this in mind when unexpected CV data occur :)


  1. nice one. thanks for this, will come in very useful :)

  2. Cool, always glad to come up with useful stuff, even if unconventional at times... :)