spectrum analysis on PIC32 HD

http://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/f2018/vv258_gsb85/vv258_gsb85/index.htm --Real time speech signal acquisition --Spectrum and spectrograph visualization of Mel Frequency bands -- Serial interface for forwarding Mel Frequency Band Power Spectrum coefficients --Recording and playback of speech signal using serial RAM --Spectrum Visualization on PC using MATLAB serial interface