The Yamaha AN1x Synthesizer mailing list

--- In AN1x-list@yahoogroups.com, "Ed Edwards" <edward.edwards@v...> 
wrote:
> Hi Anton,
> 
> I've no experience with the MIDEX8, but as a loyal list member I'll 
tell you
> that many folks have had problems with the AN1x and MIDI.  Either 
one or both
> the computer and the synth start to choke.  One hilarious screen 
message is
> "Illegal Data" on the AN1x.  Most of the chatter on the list has 
concluded that
> the AN1x has some strange method of sending "packets" that require 
some
> acknowledgement when doing sysex, and if the MIDI interface isn't 
quick enough
> in providing a response, then ugly stuff happens.
> 
> Maybe you might try MIDIOX (freeware) and analyze the data stream 
for any
> quirks.

You might want to check out Cubase.net - I'd noticed there is a 
lengthy thread regarding MIDIEX performance.  Might be of help.

For the record, I've seen applications crash when receiving unwieldly 
SysEx dumps, such as the AN1x, but I've never seen it crash a 
hardware MIDI Interface.

Jon