[Coco] [Color Computer] Happy New Years!
tim lindner
tlindner at macmess.org
Thu Jan 3 15:43:41 EST 2008
Phil <phil.salathe at gmail.com> wrote:
> >BTW: There is no reason to record 44.1 khz stero for this. 11.025 khz
> >mono would be fine.
>
> Interesting -- so the bandwidth of the Coco cassette data signal only
> goes up to 5.5kHz or so? I guess it stands to reason.
The CoCo documentation says it uses a single 1200 hertz sinusoidal wave
for a zero bit and a single 2400 hertz sinusoidal wave for a one bit.
But I did some measurements from real hardware recently and found the
real frequency is 1094.7 and 2004.5 hertz.
--
tim lindner
tlindner at macmess.org Bright
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