Emu XL-7 & MP-7 User's Group

--- In xl7@yahoogroups.com, Aaron Eppolito <synthesis77@y...> wrote:
> A "4-layer *preset* structure" is what the line should read.
This makes sense.

> Each preset has up to four instruments (if you don't count links).
> Each instrument takes 1 voice for mono, 2 voices for
> stereo/chorus, 2 voices for 12th order, and 4 voices for
> 12th order stereo/chorus.
This makes sense, too.

> > Preset chorus on all 4 layers of 1 preset + 12th order filters
> > on all 4 layers of 1 preset ===> 16 voice polyphony.
> 
> 16 *NOTE* polyphony.  Voice = one of 128 audio channels.
> Note = a key hit on the keyboard.
Note polyphony (note-ons) as distinguished from voice polyphony 
(audio streams/channels) seems like a good distinction.  
 
> > Now that were all smiley, some serious questions remain:
> > (1) where do I find out which samples/rom instruments are
> > stereo samples and therefore cut polyphony in half and
> > (2) what if any polyphonic reduction occurs with the use
> > of multi-samples such as kits?
> 
> Nowhere, and none.  =)  VERY few, if any of the samples in the
> XL-7 are stereo, and I believe that goes for most of the other
> ROMs as well.  I think the 16 Vln string sections in the Virtuoso
> might be stereo...
> 
> And, since polyphony is only used by voices actually sounding,
> having lots of samples spread out in a drum keymap does not use
> extra polyphony.
This makes sense.
 
> > And on a different subject:  remote control via sysex seems 
> > incomplete--that is, most but not all buttons seem to be 
> > controllable.  (1) Am I right? (2) If I am, any possibility
> > that all of the buttons will be controllable in a revised OS--
> > particularly those related to the sequencer, eg. trnasport,
> > pattern selection, looping functions, etc. (3) If I'm wrong,
> > where can I get the complete list of commands?
> > (The latest sysex manual I have is 2.2.)
> 
> (1) I can't remember  (2) if they're not already, doubtful  (3) try
> turning on transmit front panel commands, hooking the XL-7 up to an
> external sequencer or MIDI analyzer (like MIDI-Ox or SendSX), and
> pressing each button in turn.  You should be able to see if it
> transmits any sysex and if so, what it is.

I did this as a double check.  As well, I made a preliminary chart of 
what happened from 00h to 7Fh with the remote button command. An 
older version of Cakewalk Professional did the trick.

Thanks for the suggestions.

---Steve