Cents to Hertz Conversion Chart

Wimblees@aol.com Wimblees@aol.com
Tue, 24 Dec 2002 09:59:19 EST


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In a message dated 12/23/02 4:57:40 PM Central Standard Time, 
sbellieu@mindspring.com writes:

> If an aural tuner can ask a stupid question:  does this mean that a one cent 
> mistake in the top of the piano is much bigger than a one cent mistake in 
> the bottom of the piano?  By bigger I mean more likely to be percieved 
> aurally.
>   
> Steve B
> 

Steve

First of all, as an educator I must tell you that there is no such thing as a 
stupid question. For you, (or anyone who asks), the question is not stupid, 
otherwise you wouldn't be asking it.

On the tuning exam, both the first octave and the top octave have a 6 cent 
tolerance. Which means that the tuner is allowed a bigger leeway when tuning 
those octaves. In the first octave, six cents is comes out to almost 3 beats 
per second. But because it is so hard to hear down there, that difference is 
almost indiscernible. In the top octave, however, 6 cents comes out to less 
than one beat per second. But the opposite is true, you can hear the 
slightest of difference much easier. (except maybe the last two or three 
notes. 

So to answer your question, yes, a one cent "mistake" is much "bigger" in the 
top octave. 

Wim

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