--- In oberheim@yahoogroups.com , "eightiescrisis" <eightiescrisis@...> wrote:

>
> i noticed my matrix 6r won't play the 4th voice on certain patches
>
> when i load up patch #88 sparkles (matrix 1000 patch sheet # 388, group synth 2)
> i notice the 4th voice won't play
>
> this is strange behavior because all the midi notes are occurring.
> additionally, the voice allocation when i play the same note repeatedly stays on
> the same voice
>
> when i change to other patches like say # 90 - stellar*, pressing the same note
> repeatedly shows the voice allocation moving step by step from voice 1, 2, 3, 4,
> 5, 6, and repeating again at voice 1
>
> so why is this happening
>
> i checked the spillover. stereo, and other master parameters
>
> yes the midi works - you can see the voice allocation light up, but no sound
>
> i can't believe it's a faulty voice chip. if so, why does it sound on some
> patches but not on others
>
> i dug into the programming of the patch and it uses dco sync 2 - patch edit,
> parameter 02, dco1 sync 2.
>
> wheni change it to dco sync 1, i can hear a little bit of the voice, and when i
> turn it to 0 (off) i can hear the voice completely
>
> so is it dco sync that kills voice # 4 well, so i went to patch # 99 syncage*
> and it has dco sync set to soft (patch edit, parameter 02, dco1 sync 2) and all
> the voices sound perfectly
>
>
> so anyone else have this happen
>
> any explanations
>

Thanks for all the suggestions!!

turns out it was a faulty voice chip

must have been fading away slowly