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Subject: Musical instrument tuners (sound frequency comparison)

Date: 08/27/00 at 3:25 PM
Posted by: Andrew Freer
E-mail: andrewfreer@hotmail.com
Message Posted:

I am currently trying to design, or adapt, and build a hand-held device which will, from microphone or jack input, compare the frequency of a sound with a given frquency and light up an LED from a line of them to display how sharp/flat the note is. Measuring the beta produced when the 2 signals are put together might be involved. Can anyone help?
Thanks in advance,
Andrew Freer

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