The software analyzes sound from the microphone and exhibits the basic frequencies in real-time with pitch change. It applies the Fast Fourier Transform (FFT) for this purpose.

But what does it really do? When you speak or sing into the microphone, the program analyzes your voice and breaks it down into its individual frequencies. This means that you can watch patterns of speech, examine the harmonics of vowels, and even hear the noise of sibilants. It's a unique way to look at and learn about the different sounds we make with our voices.
One added benefit of this program is its size- it's incredibly small at only 64k (or 32k zipped). As far as software goes, that's practically nothing! It's refreshing to see a program that can do so much and take up so little space. If you're interested in exploring new ways to interact with your own voice, give the Frequency Analyzer a try.
Version 2.0: N/A