Monday, March 8, 2010

Voice Tuner and its Effects


This project's goal is to use a sensitive microphone, computer speakers and a properly designed circuit so that for an input microphone signal a relatively noiseless sinusoidal signal is output to the ADC that is part of the Atmega644 microcontroller. Then with the use of software the correct fundamental frequency from the microphone input may be determined. Because of our interest in music, the tuner was constructed in such a way that it can recognize the frequency of musical notes from A3 (220 Hz) to B5 (987.77 Hz) on the musical scale.

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