442 cps formulas for

Richard Moody remoody@easnet.net
Fri, 16 Oct 1998 15:56:30 -0500



these formulas work on the window's accessories calculator and in spread
sheets. 

f*2^(cents/1200)      gives freq resulting from  cents.      
		    Example...  440*2(5/1200)  =  441.273


1200*(log(F/f)/log(2))     gives cents.   replace F/f  442/440 
			.... so.... 1200(log(442/440)/log(2))

Formulas from Niklas Eliasson 


Ric Opycat


This PTG archive page provided courtesy of Moy Piano Service, LLC