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Article #5479Re: Digital critics - sampling argument is nonsense
From: John Galloway
Date: Thu, 21 Jan 1993 08:42
Date: Thu, 21 Jan 1993 08:42
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2331 bytes
>In article <1993Jan20.211233.37643@watson.ibm.com> zellers@22_clancy.manassas.ibm.com (Cevin M Zellers) writes: >I recently witnessed another case of the analog sentimentalist trying >to use the 'sampling' argument to lodge a complaint against Digital. > >It was MTV, with they're nifty diagrams showing how sampled digital sound >loses information because of the 'choppy' digital waveform. Unfortunately, >critics are pressing this argument and misleading the public, due to their >ignorance of the Nyquist Sampling theorem. All of you digital skeptics, >please note that CD's capture ALL frequencies up to 44.5 KHz, reproducing >them faithfully (butter than vinyl, I argue). Frequencies above 44.5 KHz >don't matter, that's far above the threshold of hearing anyway :) > >Cevin I think you ment 22KHz which would be the Nyquist rate for sampling at 44KHz. One might argue that the Nyquist rate only assures frequence not wave shape so that a 20KHz cut off would not distinguish a 12KHz sine wave from a 12KHz sawtooth, and that human hearing might not be strictly frequence response bassed, but I will not since my real purpose here is to shamlesly slide into a commercial announcement: for all those analog lovers, I have a fantastic 10 year old SOTA Saphire tunrtable (Grace arm, and Vanderstien head amp) that I would love to sell so I can buy more CDs!! call me. -jrg internet jrg@galloway.sj.ca.us John R. Galloway, Jr 795 Beaver Creek Way internet johng@informix.com CEO...receptionist San Jose, CA 95133 applelink D3413 Galloway Research (408) 259-2490 -- internet jrg@galloway.sj.ca.us John R. Galloway, Jr 795 Beaver Creek Way internet johng@informix.com CEO...receptionist San Jose, CA 95133 applelink D3413 Galloway Research (408) 259-2490
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Path: arc1-ca.pugleaf.net!sparky!uunet!olivea!gossip.pyramid.com!pyramid!infmx!johng From: johng@informix.com (John Galloway) Newsgroups: rec.audio Subject: Re: Digital critics - sampling argument is nonsense Message-ID: <1993Jan21.084202.29994@informix.com> Date: 21 Jan 93 08:42:02 GMT References: <1993Jan20.211233.37643@watson.ibm.com> <1993Jan20.235905.27931@leland.Stanford.EDU> Sender: news@informix.com (Usenet News) Organization: Galloway Research Lines: 32