[vorbis] OT: Perfect Pitch

Monty xiphmont at xiph.org
Tue Mar 26 22:55:10 PST 2002



On Tue, Mar 26, 2002 at 11:36:10AM +0100, Nicola Larosa wrote:
> > I have had the dubious joy of returning an expensive ($US5k) CD player
> > because it played flat - the clock turned out to be about .5% slow
> 
> Five parts in a thousand?!? Let's see, a semitone is about 6%, so that's 
> about 8 cents. It's at the edge of normally hearable beatings when one 
> tunes a guitar, and you can detect this *without* any reference?!?

Mundane, untrained hearing can detect 4-5 cents off a pitch.  

Monty

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