> 1) 16-bit DACs if you please. Required, and there is most of the cost (dedicated DAC-per-output, no muxing). > 2) Gate LEDs and a Midi Clock LED would be very very helpful (as proven by > the Oakley MidiDAC2 and Expressionist breakout panel). Gate LEDs are 'free', that's the 4 decimal points in the LED display :) > 3) Add Trig out per voice for Attack-Decay enveloped drum sounds and > envelope retriggering. Possible map of Velocity to be Vel/Trig? Adds $1 of hardware. It would probably be "global" for all 4, then you could move Velocity to an AUX (individually). > 4) Dedicated Arp Clock in and Midi Clock out jacks. No room in the inn. > 5) Aftertouch, Pitchbend, Mod Wheel, Pedal, Breath Control assignable to > AUXs. Just SW. But the Velocity/AUX DACs are either 8 or 10-bits. I would think Pitchbend does just that, it bends the main CV out. > 6) Midi In, Out and Thru accessible on a header would be great. In is already on the front, Out is already on a jack at the rear. Will look at Thru. > 7) Selectable polyphony level (1-Unison). You might also want to support an > interesting Unison mode (similar to the Jupiter I think?) where if one note > is held, all 4 voices are assigned to that note; if a second note is played, > two voices are assigned to each note; if three, then two-one-one: and > finally if four, each has one voice. Just SW. > 8) When polyphony set to 1, allow each voice to be assigned a different MIDI > chan, like four separate midi-to-cv units. See above. > 9) A 440Hz reference out might be a nice addition. Wacky. > 10) Hmm.. did I mention gate LEDs?? No. > > Suggestion: > How about a much less congested 3U or 4U layout? You could add Trig per > voice as well as separate Arp Clock in and Midi Clock out and have plenty of > room for those useful LEDs. Because I want to keep it under $239. > > Questions: > 1) Could you describe the Arpeggiator functionality? > 2) Could you describe the note priority/assignment modes? Later when the SW spec is nailed down. > 3) What power supply will be required? The new MOTM-950 with the +5V output. Paul S.
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Re: [motm] MOTM-650 4-ch MIDI-CV converter
2002-10-15 by Paul Schreiber
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