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The way I understand this is that with 2 points you can find the "sine equation" at this limit frequency. As you don't hear the harmonics, it doesn't matter if its a sine, a square or a saw, you just hear the first harmonic anyway. I guess it's a bit simplist but ... Ben. ----- Original Message ----- From: "S V G" <vsyevolod@yahoo.com> To: <Loopers-Delight@loopers-delight.com> Sent: Thursday, December 15, 2005 10:38 AM Subject: Re: Looperlative LP1 - sample rate > > Even though higher frequencies are indeed possible with a 192K > sampling rate, it also means > that each waveform has more samples representing it, thus higher >fidelity. > I never did understand > how the Nyquist theorum could claim fidelity in the upper end by only > having two samples per > waveform. Seems to me like you wouldn't be able to distinguish a >sawtooth > from a sine from a > square wave if you only sampled at twice the highest frequency. > > Then there's the whole argument of higher frequencies not being > perceived by the human ear > and yet still being perceived somehow... Same with extra low >frequencies. > Can we hear below 20 > Hz? Probably not. Can we perceive below 20 Hz? Hell yes. > > Stephen > > > R.Chris Murphy wrote: > The current sample rate of Looperlative is > 48k (48,000 samples per second) which is already higher than a > commercial CD (although I would vote for it being the same a commercial > CD). This in theory should reproduce frequencies up to 24 kilohertz > already. To put that into some perspective most guitar cabinets start > to roll off around 8k. Ignoring for the valid arguments about bone > conduction etc, its pretty safe to say that any guy that has been in a > rock band for a few years do not hear much about 15k, and even those of > us that have taken pretty good care of our ears do not really hear much > about 20k, if even that. > > A sampling rate of 192k would reproduce frequencies up to about 96k, > beyond what a dog could hear. as a live performance tool I would gladly > take the extra time ('cause I am one of those long droney loopers ;-) > > ________________ > Ronan Chris Murphy > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > ___________________________________________________________________________ Nouveau : téléphonez moins cher avec Yahoo! Messenger ! Découvez les tarifs exceptionnels pour appeler la France et l'international. Téléchargez sur http://fr.messenger.yahoo.com