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DateThu, 16 Oct 2003 20:03:53 +0100
FromJohn Bradford <>
SubjectRe: Transparent compression in the FS
Quote from "Richard B. Johnson" <root@chaos.analogic.com>:
> No! Not true. 'lossy' means that you can't recover the original
> data. Some music compression and video compression schemes are
> lossy. If you can get back the exact input data, it's not lossy.

Sorry, I wasn't clear in my description. What I meant was that you
can't have an algorithm that can compress all possible values of N
bits in to less than N bits, without expanding some of them. Of
course, you can compress N values in to <N values, compressors do that
by definition :-)

John.
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