TI-H: MIDI
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TI-H: MIDI
>A MIDI-like standard would be much smaller, but also a lot tougher to
>implement.
>Actually, MIDI travels at 34.2 kbps (or something like that) serial.
On my
>amiga, I connected a midi tranciver to the serial port, and the modem
>plugged in on the other end. If Mel can get the port going at
34.2kbps,
>then connecting midi devices ought to be fairly easy.
First, Mel isn't likely to help. Remember, he quit TI calculators for
"bigger" things.
That's not my piont though. I have been sating MIDI like standard, not
true MIDI!!! all we need is an I2C 8-bit paralel chip or two, and a wave
form generator such as the MAX 038. Maybe we can find a serial 2 wire
waveform generator, but I doubt it. Personaly, I'd use the SID chip from
the commodore 128. It had 3 chanels, 4 waveforms (sine, square,
triangle, and noise), and it has 4 bit audio amplitude control (volume
from 0 to 15), and the wave form is 12 BITS!!!. That's high quality. You
don't need much to control it Atack, sustain, reverb, decay, waveform,
pitch, and volume level. The SID chip can emulate a Piano and play a not
with a few commands!!! I've set it up to play music before with piano
carring the melody, harpsichord on harmony, and noise to simulate drums!
It's a pain, but no more dificult than sheet music in numbers! Try it! I
can get you pinouts specs, everything!!! You can even control audio
levels from an input, using it as an amplifier!!!
We don't need MIDI, just something that works like MIDI, where you
define instruments and then send notes and sustain times and stuff
rather than digitizing music. I but you could get it to work at uner 1 K
per second!!!
Richard Piotter
richfiles1@hotmail.com
The Richfiles TI Page
http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html
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