The VoicePlayer project is a simple program for the LPC2138 using Keil MCB2130 Microcontroller Board. It demonstrates the Digital/Analog Conversion capabilities of the LPC2130 series. Severeal Audio Files are stored into the on-chip Flash ROM. The f
The pitch calculation is based on the AMDF-fractional pitch period determination. The function is designed to operate optimally at the sampling rate of 8000Hz; nevertheless, you may adjust the window size (wlen) to suit your pitch watching needs.