Re: Frequency response was Re: [linux-audio-user] Audiophile CD's

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Subject: Re: Frequency response was Re: [linux-audio-user] Audiophile CD's
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Mon Jan 28 2002 - 16:18:27 EET


On Mon, Jan 28, 2002 at 12:16:30 -0500, Ross Vandegrift wrote:
> > Does sampling at f=2b loose any information?
>
> Nope. Sampling at f=2b will capture the same information as f=3b or 4b or ...
> The only difference is that for f=nb, for n > 2, you'll waste a lot of space
> storing extra samples ::-).

Only theoreticaly I think. AD converters need to have input filters in
order to prevent alaising, and as the filter won't be a brickwall you will
loose signal near myquist.

- Steve


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