Forum: GNU Radio (no subject)

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8cc60441dc67b4e59421ebe95dc63c23?d=identicon&s=25 Tom Rondeau (Guest)
on 2008-11-28 01:32
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Ea1533662e5feabdd024a00d7fa3d801?d=identicon&s=25 unknown (Guest)
on 2008-11-30 22:21
(Received via mailing list)
Hello all:

I'm new to gnuradio.  Is anyone working on a gnuradio block that can
detect DTMF tones, or 1200 baud AFSK (packet radio)?
Can this be done (in python) using existing gnuradio filter blocks?

I've been using multimon
(http://www.baycom.org/~tom/ham/linux/multimon.html)
to decode DTMF, etc., but I'd like to do it in gnuradio.

I see that gnuradio.org/trac/ticket/318 is titled "Support DTMF",
but evidently this is some type of support needed by OpenBTS.

Griff

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965108e996db460e6ae03b71dba2e8ef?d=identicon&s=25 David Burgess (Guest)
on 2008-11-30 23:17
(Received via mailing list)
Griff -

The DTMF support for OpenBTS won't do you much good. GSM dosn't really
send
in-band DTMF but uses out-of-band messages to indicate keypresses.
Ticket
#318 is about implementing those messages. Not the problem you're trying
to
solve.

-- David
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...... Original Message .......
On Sun, 30 Nov 2008 16:20:14 -0500 griff@w5vwp.com wrote:
>Hello all:
>
>I'm new to gnuradio.  Is anyone working on a gnuradio block that can
>detect DTMF tones, or 1200 baud AFSK (packet radio)?
>Can this be done (in python) using existing gnuradio filter blocks?
>
>I've been using multimon
(http://www.baycom.org/~tom/ham/linux/multimon.html)
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