Re: CD's, C64's and error-correction

From: Martijn van Buul (
Date: 1999-10-18 12:23:22

Marko Mäkelä wrote:
> On Fri, 15 Oct 1999, Martijn van Buul wrote:
> > Using one stop bit could cause problems when there's a (long) series
> > of $FF-data. CD-players (like every audio device) have a high-pass filter
> > as well.
> True, but remember that the maximum non-filtered output frequency from the
> CD is only 22050 Hz (with a sequence of two alternating output values).  

At second thought, it should have een "a long series of $00 data".

> I don't believe that any CD will damp this frequency seriously (say, more
> than 50 percent).

I was referring to extremely LOW frequencies, which are filtered as

    Martijn van Buul - -
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