DTMF Tones in WAV Files

Type: WAV File Parsing & FFT Analysis

Client: Daramac34 via elance.com (Mark Hadleigh)

Link: N/A

Skills: C++, WAV Files

Description: A C++ parser for WAV files to analyze the content using the Fast Fourier Transform across millisecond slices to identify DTMF frequencies and decode the corresponding DTMF keypad numbers. Created as a console app that outputs a text file containing a log of the analysis.

Reviews by Client: “Thanks Dave. Brilliant job. Look forward to working with you in the future”