MATRIXSYNTH: Keith McMillen QuNeo & Dave Smith Instruments Tetr4 Controller Experiment


Thursday, March 28, 2013

Keith McMillen QuNeo & Dave Smith Instruments Tetr4 Controller Experiment

Published on Dec 6, 2012

"Notes: Firstly sorry if you catch the version with the feedback at the beginning (skip to 1:52), YT is taking a while to crop it. Also I'm awaiting a replacement QuNeo as this one has a very loose USB socket as reported by a number of users, this can cause the unit to reset or the left rotary to trigger randomly as the housing moves.

Recording has a small amount of reverb and a limiter to save my monitors.

Just trying out the control possibilities for this combo, need some practice to play it setup like this as the pads Y-axis are set to fine pitch (X is mod). I would have loved to be able to assign the pads to the Tetr4's 4 assignable encoders, but I'm unable to without NRPN access. (Edit: Pads note mapping is not chromatic, I was messing with them and forgot to remap them).

QuNeo Preset (right click & Save as...)

https://dl.dropbox.com/u/1589852/Music/Tetr4.quneopreset

Layout:

Long slider position set to OSC mix, width to stereo pan (basically a stereo spread on the Tetr4).

Vertical sliders Bank 1 is Filter ADSR, Bank 2 is VCA ADSR, Bank 3 is from left to right Filter Envelope Amount, Filter Velocity Amount, VCA Envelope Amount, VCA Velocity Amount.

Horizontal sliders are top to bottom:

1. Bank 1 OSC 1 Sub, Bank 2 OSC 2 Sub
2. Bank 1 Noise Amount, Bank 2 Filter Audio Mod Amount
3. Bank 1 Feedback Volume, Bank 2 Feedback Gain

Rotaries: Left Filter Frequency, Right Filter Resonance.

Things left to do:

Map more of the banked/unused sliders, sadly as a lot of the Tetr4 parameters are only accessible via NPRN I need to wait for either an updated QuNeo editor or the promised SDK. Unless there is some sort of NRPN/CC bridge I could make use of (any ideas welcome). Would love to be able to set up bi-directional feedback for setting up the Tetr4's sequencers with the pads, controller value with x/y and on/off with the pads toggling.


Overall though despite the frustration it shows a lot of potential for performing and editing the Tetr4 as, lets face it, the front panel editing is not so great! I especially like the really crazy modular-esque sounds you can get with some X/Y action on the pads (@ 13:30ish)."

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