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Re: An Apple //e software music synthesizer



Michael J. Mahon wrote:
> This week I got the eight-voice Crate.Synth running, and played
> real music (Gymnopedie, by Eric Satie), which I converted to
> digital oscillator form from a MIDI file!
>
> I've made the .mp3 and some very sketchy "teaser"
> information available on my web site:
>
> http://members.aol.com/MJMahon/index.html
>
> More documentation is on the way, as well as the programs
> themselves.
>
> I used a couple of cassette decks to transfer the music to
> my PC, and I note that one's speed is a little off, so that
> the .mp3 file is a little slow (and a little flat, of course).
> The piece is 2:51 as performed, but is 3:05 as recorded, an
> 8% speed difference.  In the future, I'll get the cassette
> decks out of the loop--I just have to string some wire.  ;-)
>
> The actual music from the AppleCrate is exactly on tempo
> and on pitch.
>
> Anyway, the result is indicative of what can be done, and
> it can only get better from here.  ;-)
>
>

I've read your website - you say you have a program to convert MIDI to
"oscillator tracks". Can you define "oscillator tracks"?

I used a tool I found to convert MIDI to ringtone format, then another
tool to convert the ringtone to duration/frequency. Lost the volume, of
course, and the tracks had to be processed separately. Once put
together, they were in synch for a few seconds, then went out of synch.
Probably the first converter.

Just an FYI: this wasn't for an Apple, but my TI. What I've really been
wanting is a way to convert MIDI to duration (milliseconds), frequency
and volume.

Any suggestions?

Ben