Article View: rec.audio
Article #1605Re: My CD player is running slow! (Correction)
From: Rich Fanning
Date: Tue, 05 Jun 1990 19:58
Date: Tue, 05 Jun 1990 19:58
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In article <6382.266ac585@umiami.miami.edu> chuck@umiami.miami.edu writes:
>I would rely on
>the pitch of a CD over the pitch of a tape deck any day, especially since
>the tape speed varies over the length of the tape, and the fact that the CD
>player is (supposed to be) accurate to 1/44100 of a second.
The last statement is meaningless. The sample rate of CD is nominally
44.1 kHz, but the rate during playback, as many have said, is determined by the
accuracy of the quartz crystal oscillator in the player itself.
Most crystals are accurate to a fraction of a percent, but it wouldn't surprise
me that some rock-bottom cheapo players might be off a lot more than more
expensive ones.
In any case, the phrase "accurate to 1/44100 of a second" doesn't mean
anything.
--
Rich Fanning {sun,ucbcad,uunet}island!rich
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!island!rich From: rich@island.uu.net (Rich Fanning) Newsgroups: rec.audio,sci.electronics Subject: Re: My CD player is running slow! (Correction) Message-ID: <1652@island.uu.net> Date: 5 Jun 90 19:58:13 GMT References: <1990Jun2.182334.21396@athena.mit.edu> <6378.26693284@umiami.miami.edu> <55024@microsoft.UUCP> <6382.266ac585@umiami.miami.edu> Reply-To: rich@island.uu.net (Rich Fanning) Followup-To: rec.audio Lines: 18