MadSci Network: Physics
Query:

Subject: What is the operation to convert Hertz to cents deviation in music pitch?

Date: Thu Mar 8 02:05:12 2001
Posted by Tony
Grade level: grad (non-science) School: None
City: Soquel State/Province: California Country: USA
Area of science: Physics
ID: 984035112.Ph
Message:

To save $$ in equipment I can use a standard multi-octave chromatic tuner to 
determine the pitch of a given tone bar for a metalophone IF I have a means to 
convert pitch +/- cents deviation from concert normal to cycles per second.  
This is necessary for design and coupling of resonators to the tone bars.
I am using non-western tunings, so. . . 
I already have the operations for these, but don't know the operation for Hz-
Cents/Cents-Hz.
In western musical tuning, one half step is divided into 100 "Cents".  An 
octave (1:2 ratio to a fundamental frequency; i.e. A440hz:A880hz) comprises 12 
half steps and 1200 cents.
Someone mentioned that it had something to do with the natural logarithm of 2?


Re: What is the operation to convert Hertz to cents deviation in music pitch?

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