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SubjectRe: NEWSFLASH! Linux ported to Commodore VIC-20!!
The portable recordable Minidisk as I understand its technology is a lossy
hardware compression which works for audio but it would be tossing away
data. I suspect it would not work.

David Mandala
Quoting mdavies (mdavies@bm.net):
> Rogier Wolff wrote:
>
> > Chris Adams wrote:
> > > According to Anders Melchiorsen <postmaster@and.nospam.kampsax.k-net.dk>:
> > > >How much data would an audio tape be able to carry? Are we talking a
> > > >few hundred kilobytes or are we in the megabyte range?
> > >
> > > IIRC, my old Atari recorded at 150 baud. That would be about 32K on each
> > > side of a 60 minute tape. You can go with longer tapes, but they are more
> > > likely to stretch, corrupting your data.
> >
> > As far as I know, the C64 did about 1200 baud (150 bytes per second).
> > 270kbytes per C60 side.
> > You could get it to increase speed by a factor of 8 by using fastloader
> > stuff. -> 2Mb per C60 side.
> >
> > If you can make a 28k8 modem in software, you can probably increase
> > that another factor of three -> 6Mb per side.
> >
> > If the signal to noise ratio is similar to telephone, and bandwidth is
> > 15k instead of 3k you can gain another factor of 5. -> 30Mb per side.
> >
> > You can use stereo. -> 60Mb per side.
> >
> > My guess is that tape maxes out around that figure.
> >
> > Roger.
> >
> > --
> > | Most people would die sooner than think.... | R.E.Wolff@BitWizard.nl
> > | in fact, most do. -- Bertrand Russsell | phone: +31-15-2137555
> > We write Linux device drivers for any device you may have! fax: ..-2138217
> >
>
> How about portable recordable Minidisk?
>
> Although there is an optical input there is only analogue out.
>
> I would really like to know how much you could fit on one using
> an analogue only recording scheme.
>
> Mark
> mdavies@ibm.net
>
>
>
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