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DTMF generator and receiver

by Stuart McGarrity

 

11 Sep 2001 (Updated 20 Jul 2009)

DTMF generator and receiver

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Description

Simulink® model of a dual-tone multi-frequency (DTMF) generator and receiver. Includes bandpass filter bank receiver, real-time soundcard audio, spectrogram of channel and uses Stateflow® block to store decoded digits.

NOTE: A version of this model which works with the current release of MATLAB® and Simulink is shipped with the Signal Processing Blockset™.

Required Products DSP System Toolbox
Simulink
Stateflow
MATLAB release MATLAB 7.0.1 (R14SP1)
Other requirements Real-time audio only on PC.
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Comments and Ratings (28)
29 Sep 2002 Abdi HUssein  
30 Dec 2002 Cutberto Noe Najera Cisneros Cutberto Noe Najera CIsneros  
03 Feb 2003 Jerzy Gremba  
22 Feb 2003 Christo Yohannan  
17 Apr 2003 bharat oswal

its great

22 Jul 2003 ALEJANDRO DIAZ  
07 Oct 2003 rahul chandra

best

15 Oct 2003 Sachin Mahishi

Can i have the details of this experiment,in the code as well as block form in details as i am a postgraduate student of Victoria University of Technology, Melbourn ,Australia.

17 Oct 2003 BFVCX BVCX

FDFDS

04 Nov 2003 Muhammad Alam

it really helps me to understand the work of DTMF
Thanks

16 Dec 2003 mohammad mirzaei

i like make control switch and delay with dtmf board thanks

21 Dec 2003 sushma kaniganti  
27 Dec 2003 YAMMANURU KRISHNA CHAITANYA  
17 Jan 2004 Majid Moridi  
28 Jan 2004 Majid Hatam  
30 Jan 2004 cfbczx dfhnfzxg  
16 Feb 2004 binod panda

good

13 Apr 2004 Do Khoa  
08 Jun 2004 Mirage 4u  
31 Aug 2004 Sérgio Rodrigues

I did a DTMF receiver by eletronics devices, IC CM8870, and your idea taught a couple more about DTMF.

09 Oct 2004 lohourignon dacoury  
08 Nov 2004 kech ramdane

hello

30 Nov 2004 le celte

good

18 Dec 2004 ad d

ello

06 Aug 2005 dilip aldar  
13 Apr 2007 abe noal  
31 Dec 2008 Hoshang  
31 Dec 2008 Hoshang  
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Updates
17 Oct 2001

Updated screeenshot.

20 Dec 2004

Updated to R14. Still Contains R12.1 Version.

21 Sep 2006

Add note saying that a version which works with the current release of MATLAB/Simulink is shipped with the Signal Processing Blockset.

20 Jul 2009

Added trademarks.

Tag Activity for this File
Tag Applied By Date/Time
dtmf Stuart McGarrity 22 Oct 2008 06:37:31
dual tone Stuart McGarrity 22 Oct 2008 06:37:31
multi frequency Stuart McGarrity 22 Oct 2008 06:37:31
communications Stuart McGarrity 22 Oct 2008 06:37:31
simulink Stuart McGarrity 22 Oct 2008 06:37:31
dtmf hala sleem 02 Dec 2008 03:27:01

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