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Article #14548Re: CD ROM and D.A.T. Sample Rates
From: C.M. Hicks
Date: Mon, 16 Nov 1992 12:25
Date: Mon, 16 Nov 1992 12:25
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cmwolf@mtu.edu (christopher m. wolf) writes:
>I believe CD's are sampled at 42.7kHz
Please don't reply to such an elementary question unless you
are sure of the answer. This is not intended as a flame, but rather a way
of keeping up the signal to noise ratio in this group :-)
Standard sampling rates are:
CD: 44.1kHz
DAT: 48, 44.1, 32kHz
There are still a very few recordings around at 44.05kHz, but these are rare.
With reference to the original question, I'm not sure what is meant by "the
sampling rate of CD ROM", since a CD ROM can contain anything - the sampling
rate of a dictionary or map doen't make much sense...
Info regarding sample rate conversion can be found in any of the standard DSP
texts. In general, conversion from one rate to a higher rate can be done with
insignificant information loss, provided that the word length is long enough.
Christopher Hicks (cmh@uk.ac.cam.eng)
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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!cam-eng!cmh From: cmh@eng.cam.ac.uk (C.M. Hicks) Newsgroups: sci.electronics Subject: Re: CD ROM and D.A.T. Sample Rates Message-ID: <1992Nov16.122530.24024@eng.cam.ac.uk> Date: 16 Nov 92 12:25:30 GMT References: <22367@drutx.ATT.COM> <1992Nov15.160107.15861@mtu.edu> Sender: cmh@eng.cam.ac.uk (C.M. Hicks) Distribution: sci Organization: cam.eng Lines: 24 Nntp-Posting-Host: tw604.eng.cam.ac.uk