Re: NTLK Re: Questions, questions...

Date: Fri Apr 28 2000 - 20:53:16 CDT

On Fri, 28 Apr 2000, Stainless Steel Rat wrote:

> * Bill Davis <> on Fri, 28 Apr 2000
> | CD's aren't compressed (or at the very least not nearly as much as MD's
> | or MP3's).
> CD-DA is compressed in a manner similar to MD: it removes bits of
> information that you allegedly cannot hear (which is not true).
> Specifically, anything below 20Hz and anything above 22.05KHz is removed.

That's not "compression" in the digital data sense. And it is _not_
similar to MD in any way at all. Since CDs are sampled at 44.1kHz, there
is no possible way that you'll get a frequency higher than 22.5kHz.
They're not "compressed" to remove this; it's simply a physical
impossibility to record a higher sampling rate than that.


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