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Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition
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Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition

by Thad B. Welch, Cameron H.G. Wright, Michael G. Morrow
December 2011
Intermediate to advanced
436 pages
18h 7m
English
CRC Press
Content preview from Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition
5.2. WINDSK DEMONSTRATION 93
(a) 12-keys (b) 16-keys
Figure 5.8: winDSK running the DTMF application.
periodic signal generation. Of course square and triangle waves are also periodic signals.
5.2.2 DTMF
Clicking on the winDSK DTMF button will load and run that program into the attached
DSK, and a 12-keypad window similar to Figure 5.8(a) will appear by default. Clicking
on the “16-keys” button will add a fourth column to the keypad display as shown in Fig-
ure 5.8(b).
This application generates standard Dual-Tone, Multiple-Frequency (DTMF) signals as
defined by telephone companies. These are signals that consist of two sinusoids of different
frequencies ...
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Publisher Resources

ISBN: 9781439883051