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3.7 | 26 ratings Rate this file 31 Downloads (last 30 days) File Size: 31.96 KB File ID: #724

DTMF generator and receiver

11 Sep 2001 (Updated 20 Jul 2009)

File Information
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.

Tags for This File
Everyone's Tags	communications, dtmf(2), dual tone, multi frequency, simulink
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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.