Andres Ferrari wrote:
> hello,
> the martin peach's object midifile has 3 outlets,
>
> the first outlet output a list with 3 numbers:
>
> xxx,note,velocity
>
> what is xxx ???
>

It's the MIDI status byte. For example the "note on" status on channel 1
is 144 (hex 90). Channel 2 would be 145, etc.
See for example:
http://www.ibiblio.org/emusic-l/info-docs-FAQs/MIDI-doc/MIDI-Statusbytes.txt

Martin