[sdiy] paia/arp trigger voltage

[gregory zifcak]

there is no velocity input. i will investigate. thanks to everyone for the 
help.

greg

>Looking at the other responses to this problem I assume that I must be an
>idiot!!!!
>The MIDi2CV8 generates both a TRIGGER signal and an AMPLITUDE (or VELOCITY)
>signal doesn't it????? MIDI note-on messages consist of the note number and
>the volume level and surely this would be presented to the ARP. The trigger
>is just a trigger and nothing else and I would expect that the ARP will
>respond to a trigger the same no matter what the signal was as long as it
>was in range - eg the ARP may work with a 10-15V trigger so a 10V trigger
>would do just the same as a 15V signal. Given that the ARP is responding we
>must assume that the trigger signal is fine.
>You now have to look at the `VELOCITY' byte. If the MIDI data is being
>generated by another keyboard then that may not have a variable output
>volume or the level is set at a low settings. For example many devices 
>would
>output at 64 which is HALF way between LOUD and QUIET. If you have a
>software programmer (like MIDISOFT) then you can easily throw together a
>small tune that plays several notes at varying VELOCITY levels and (a) 
>check
>that the MIDI2CV8 is outputting different velocity levels and (b) that the
>ARP is responding to them.
>
>In summary, you MUST have TRIGGER, PITCH AND VELOCITY signals connected 
>from
>the MIDI2CV8 to the ARP.TRIGGER and PITCH alone will only play notes at a
>predefined VELOCITY which is, obviously, quieter than normal playing. You 
>do
>not have a VELOCITY input then you will need to check the ARP manual to se
>how to increase the default VELOCITY level.
>
>Best Regards
>(Mr) Laurie Biddulph
>http://www.ozemail.com.au/~boobies
>
>Tel: +61 2 4340 1525
>Fax: +61 2 4340 0936
>----- Original Message -----
>From: "gregory zifcak" <zifcak at hotmail.com>
>To: <synth-diy at dropmix.xs4all.nl>
>Sent: Friday, February 08, 2002 10:37 AM
>Subject: [sdiy] paia/arp trigger voltage
>
>
> > hi
> >
> > i am using a paia midi2cv8 to control an arp odyssey. i find that
>triggered
> > notes are much quieter than notes played by the keyboard. i read in the
> > archives that the arp wants a 13 volt trigger. i don't know what the 
>paia
> > puts out, but i assume this is the problem. there was an allusion to
>raising
> > trigger voltage using a nine volt battery in the archives. can anyone 
>tell
> > me how to hook this up? thanks in advance,
> >
> > greg
> >
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