Analogue-sequencer

Colin,

I believe you have nailed down what the issue is. I used a simple thru program on my mac, and the P3 and Virus work great together now. I have a Midi Solutions Thru on order as well. Thanks so much!





--- In analogue-sequencer@yahoogroups.com, "Colin f" <colin@...> wrote:
>
> Hi,
> 
> Just alerted to this this question...
> 
> > I recently got a P3 and it works great will most of my gear 
> > except with my Virus TI2. When I hook the P3 directly up to 
> > the TI2 it seems to miss notes, both note on and not off 
> > messages. This is with a one midi cable going from midi out 
> > of the P3 to the midi in of the virus and nothing else 
> > connected at all. And it happens randomly, meaning it is not 
> > always the same step note. If I enable all 16 notes, there 
> > are more note misses than hits.
> 
> There could be a hardware incompatibility between the P3 output and Virus
> input.
> You can confirm whether it is a hardware or a software problem by connecting
> the P3 to the MIDI in of a synth it drives without problem, then taking a
> hardware MIDI thru connection from that synth to the Virus, and see if it
> works OK.
> 
> The P3 MIDI output on earlier units uses an open-collector drive, which may
> not having sufficiently sharp edges to drive the Virus input if its
> sensitivity is marginal.
> That can often be the case where designers have thrown in a heap of EMC
> filtering to keep the digital crap inside the box.
> 
> If you find buffering the P3 MIDI output fixes the problem, you could add a
> little dongle to the P3 MIDI output stage to sharpen it up.
> 
> Cheers,
> Colin
>