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Goertzel Algorithm (DTMF) with Texas Instruments C5510 / C6713 DSK



18 Jul 2003 (Updated )

Using the Goertzel Algorithm to identify which buttons have been pressed on a touch telephone.

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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.

Required Products Filter Design Toolbox
MATLAB release MATLAB 6.5 (R13)
Other requirements Texas Instruments TMS320C5510 DSK Microphone Touch tone telephone
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Comments and Ratings (7)
25 Jan 2007 navnith mantri


13 Sep 2006 min nim

30 Jul 2006 Aliyu Mohammed

03 Jul 2006 afshin medvari

thank you

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16 Jan 2005 gokhaN polat

28 Aug 2004 sajid bashir


13 Jan 2004 pencho brecheti

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