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Can a MidiDAC + DAW replace CV controller modules?
MUFF WIGGLER Forum Index -> Oakley Sound Systems  
Author Can a MidiDAC + DAW replace CV controller modules?
Ytoki
Just a thought really. Has anybody tried using the MidiDAC to send LFO or ADSR envelopes generated by DAW software on a computer?

If you can get the computer to generate complex modulated CV, or ADSR envelopes triggered at the same time as 1V/Oct outputs, to one midi channel presumably you can send this out as CV from a single MidiDAC output. If this can replace a number CV generating modules it would allow for a higher proportion of audio modules in a small system? The parameters of the CV can be adjusted via a separate MIDI controller controlling the DAW (yes, not exactly purist!)

Will the MidiDAC be fast enough / accurate enough to take a modulated LFO or ADSR envelope generated by the software and output it via one of the CV outputs? Eg, sending from the Aftertouch CV output to a VCA?

Does the MidiDAC output steps of CV based on the 128 available Midi notes or does it smooth them out? Would a slew generator be needed to smooth out the bumps for a decent sound?

All comments welcome.
Synthbuilder
Ytoki wrote:
Does the MidiDAC output steps of CV based on the 128 available Midi notes or does it smooth them out? Would a slew generator be needed to smooth out the bumps for a decent sound?


No smoothing is provided by the midiDAC so it will end up with the inevitable 128 steps. If you modulate over a wide range the steps are usually audible. Slew generators or low pass filters will remove most of this. The VCO-Controller module has a suitable low pass filter built in (with an output) for this very purpose.

CCs can be used to modulate all sorts of things but midi bandwidth is limited so you may get unwanted effects if you try and get too fast.

Expert Sleepers have a better solution for accurate modulation which uses your soundcard's audio output or their own hardware.

Tony
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