"Digital Character, but with Analog finesse"

"Big Sound from such a Small Module!"

This video describes some of the basic input/outputs and configurations of the SDS_VCO
Waveforms, custom waveforms, and Scale selection are covered.
*"Triad" has been replaced by Octave since this video.
+1 Octave is covered, as is recording and hand "drawing" a waveform.

*Note that the Scales used in the video have changed somewhat since:
                   

Demo video 2 covers the new MOD controlled envelope Attack & Decay offsets,  Root 0 volts offset setting, the MOD CV recorder, and MIDI output option.

The new Waveform # 9 and Master reset are also covered.

An experimental patch with the prototype SDS_VCO. The VCO is turned into stereo and reversed by sequencer control from the MI Frames which is being clocked by an output from the ModEm-1 Sequencer.

Waveforms are also being selected by the MOD input and can be offset independent of the scale root pitch. The scale is "All notes" quantized.

SDS VCO Delay FX Dist FW Modes 0 to 4

Audio processing at it's finest! Well for a 3HP VCO anyway.

I take you through the first 5 modes available in this firmware alternate. If you want to try this software out, download the mp3 at http://www.freshnelly.com/sdsvco/sdsvco-dist.htm, wiggle on zero and patch CVin to your phone/laptop etc and play it in. All firmware alternates for the SDS VCO are at sdsvcofwud.htm Stay tuned!

There are 10 other modes to cover yet (well 9 if you don't count Wavefolder Mode already covered in  video below)

SDS_VCO WaveFold's 8

This is a video on part of the new Alternate Firmware for the SDS_VCO: Delay/FX/Distortion. MOD jack is audio input and CV in is the modifier.

The T/G jack will offer functions in some modes (Like "Freeze") The video covers Mode (function) #11, Wave Folder and how to use it.

Watch videos on the rest of the modes at:
Mode 5  and  Modes 6+

SDS_VCO Percussion Firmware Demo Tutorial

This demo / tutorial covers the SDS_VCO ALternate Firmware for Percussion.

 At long last I got around to doing this video so you can see what this firmware will do! There are 16 different percussive sounds and each can be set using the 3 top knobs and the WAV knob to select them. Once you select a different sound, the previous is saved if it was modified.

As a bonus, the CV in acts as an offset to (mostly) frequency of the percussion at any time. The MOD input will act as an offset to the WAV knob as +/-5V = +/-8 instruments, so a rhythm can be played by simply changing the CV, via a sequencer or other source.

If you have the MIDI option you'll be happy to know that these "drums" are also sent on channel 10 as an approximate interpretation of which percussion it is.

With the new MIDI expansion (option added just in time for release!) CV & trigger/gate combinations will be duplicated note for note into a MIDI send. This is very complimentary and enhances GM MIDI sounds nicely.
Velocity can also be controlled via the MOD jack.

'Nuff said, have a listen!

 This sample demonstrates selection of MOD input to control Attack and/or Decay offsets. The Attack offset is usefully small, while the Decay can wrap right around at 5 V making it feasible to use the two together.
  In the sample the two knobs are fully down and the non-linear Release is about 1/3. The MOD is also controlling a Scale root key, for variety!

 This sample is using the same setup but Wave#12 where the recorded modulation is more noticeable because of the phasing of triangles and light harmonic.
  Notice how the lower notes (lower scale offset) are always short, as they are being controlled by the same MOD input of course! If the Decay knob is turned to center, the offset will wrap and the whole thing will be inverted (high notes short)

Here's a whole lot of different modulations (sine, square, adsr drops, audio) and sequences using the SDS_VCO alone (with a bit of kick drum here & there) during an experimental session.
You can hear how a percussion can be made as well.

This sample demonstrates principally the analog nature of the SDS_VCO. It's not all pretty with some of the modulations, but frequencies were stressful and yielded some pretty nifty results!

The very first prototype SDS_VCO mixes waves with the first production module which also has MIDI in this sample.
The most SDS_VCO's I have ever had in the rack is two and if 2 sounds this good, I wonder about about 3?

Throughout this sample, I am changing waveforms in both modules, one feeding left, the other right, and MIDI all over, also being channel changed on the fly some. The sequence on the other hand doesn't change, just the scale offsets.

This (rather long) sample is an interesting experiment using one SDS_VCO on a sequencer with a gapped gate, while a second on just an LFO with every sequencer clock.
  The scales are set the same and offset by the same MOD CV (seq./16). For the most part it works as the LFO side glissando's up & down. One VCO is on each side, left & right.
  At about 3:00 I'm closing in the LFO to match the cycle, roughly, but it always moving adding variety.
  Then at 5:40, things are slowed down so you can hear the individual parts.

Here's the SDS_VCO with percussion Firmware installed synced via clock from a MIDI-CV and FL STudio. Combined with software drums adds some pizzazz to an ordinary kit! SDS_VCO's with the MIDI option will also out MIDI to ather drums (like V-Drums or software) at the same time. Drums  defined by the 16 parameters have an approximate "sister" in the MIDI world.

The SDS_VCO firmware underwent a bit of an overhaul recently (March 2018) so it generally sounds better and performs more accurately. Also some modules were experiencing issues with the higher notes, which is fixed.

Here's a sample (WAV#16) of the "new" SDS_VCO!

Here's an SDS_VCO module being controlled by a pair of RIT_M sequencer/CV recorders while in Trigger mode. The VCO's CV in is being controlled by one RIT_M, while the other RIT_M is selecting waves and controllinga second SDS_VCO with the FX Firmware installed. The first VCO is of course being fed into the second!