1 Feb
2007
1 Feb
'07
11:34 a.m.
was abandoned by everyone once we'd gotten 6 shiny
new Model 4 machines)=20
and it had a TRS-80 branded peripheral called the "Vox-Box." It had a=20
Citizens-Band microphone hooked into (I'm guessing) an A-D converter that=
It was a bit simpler than that. There's the service manual on one of the
TRS-80 sites, and IIRC it's something like a differentiator followed by a
single-bit iuput.
Interetingly, I was given a couple of 'voice' input cards for the Apple
][ a few years ago and one of them has almost idenctical circuitry to the
VOXbox (other than the host interfce of course). I assume said card and
the VOXbox came from the same company originally.
-tony