Re: 10x CLOAD (fwd)

From: Marko Mäkelä (
Date: 1999-10-06 11:44:11

On Wed, 6 Oct 1999, Martijn van Buul wrote:

> > a sequence of $FFFF $0000 $FFFF (22050 Hz, 48 dB distance) should
> > survive the filter.  Another matter is how rounded the edges of the signal
> > become, but that should be arranged by amplifying and cutting the signal.
> I wouldn't be suprised if that signal became very sinusoidal(sp?). Nothing
> a simple op-amp couldn't fix, though.

So, will you agree that a raw bit rate of 22050 bit/s could be possible?
With GCR coding (change in the output -> '1', no change -> '0') the
efficient bit rate could be e.g. 4/5 of that, which means 2205 bytes per
second, or 29.7 seconds to fill 64 kilobytes.  And you could store two
programs per CD track: just select the channel (left/right) on the adapter
that plugs into the datassette port, and that's it.  This would fit about
149 programs per CD.  If the limit is 99, then one could store a normally
SAVEd loader in the beginning of each track as well.

Hmm, Levente, didn't you say that you have more spare time now? :-)


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