Uses a microphone to listen to the sounds generated when buttons are pressed on a touch telephone and to display result on a PC. C code application for the Texas Instruments TMS320C5510 DSK.May also be applied to other devices in the C5000 family. The frequency response curves for each Goertzel frequency are provided in MATLAB and also in a Word document. This code may be used as a starting point for student projects.
Richard Sikora (2023). Goertzel Algorithm (DTMF) with Texas Instruments C5510 / C6713 DSK (https://www.mathworks.com/matlabcentral/fileexchange/3745-goertzel-algorithm-dtmf-with-texas-instruments-c5510-c6713-dsk), MATLAB Central File Exchange. 检索来源 .
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