Article View: sci.electronics
Article #4448Re: I don't need HDTV!
From: Alan Waterman
Date: Wed, 21 Mar 1990 01:59
Date: Wed, 21 Mar 1990 01:59
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In article <2070@sauron.Columbia.NCR.COM> wte@sauron.UUCP (Bill Eason) writes: >Enter here the Nyquist criterion which says that the sampling frequency >(44.1 kHz really) must be >= two times the highest analog frequency being >recorded. Therefore, the highest frequency which can be accurately >reproduced from a 44.1 kHz digital recording is 22.05 kHz, which is within >the range of hearing of several folks posting here. I suspect my audible >range reaches up there, too, since I can hear department store burglar >alarms and CRT flyback transformers. >Bill Eason (803) 791-6348 ...bill.eason@ncrcae.Columbia.NCR.COM Dude!!!! That is really really dumb. It is not 44.1 KHz per channel. It is 22.05KHz per channel. Have you forgotten STEREO????????? By your own reasoning, the sampling rate should be at least 88.2 KHz which is exactly what I posted a few messages back.
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<7104@ucdavis.ucdavis.edu>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!ucdavis!ucscb.UCSC.EDU!sorkaReferences:
<sa0KhqO00Uh7M2R25C@andrew.cmu.edu> <9662@pixar.UUCP> <1990Mar20.162041.4639@ux1.cso.uiuc.edu> <2070@sauron.Columbia.NCR.COM>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!ucdavis!ucscb.UCSC.EDU!sorka From: sorka@ucscb.UCSC.EDU (Alan Waterman) Newsgroups: sci.electronics Subject: Re: I don't need HDTV! Message-ID: <7104@ucdavis.ucdavis.edu> Date: 21 Mar 90 01:59:11 GMT References: <sa0KhqO00Uh7M2R25C@andrew.cmu.edu> <9662@pixar.UUCP> <1990Mar20.162041.4639@ux1.cso.uiuc.edu> <2070@sauron.Columbia.NCR.COM> Sender: uucp@ucdavis.ucdavis.edu Reply-To: sorka@ucscb.UCSC.EDU (Alan Waterman) Organization: UCSC Open Access Lines: 17