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| Stereo Tool with GNU Radio https://www.forums.stereotool.com/viewtopic.php?t=5716 |
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| Author: | veso266 [ Mon Nov 17, 2014 3:11 pm ] |
| Post subject: | Stereo Tool with GNU Radio |
Hi anyone know how I can use Stereo Tool with GNU Radio (I thinking of using Stereo Tool as audio procesor and then feed this in GNu Radio (create a flowgraf with it) and feed everything into SDR Transmitter like HackRF Best Regards and Thanks for Anwser |
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| Author: | Modulator [ Mon Nov 17, 2014 11:19 pm ] |
| Post subject: | Re: Stereo Tool with GNU Radio |
If it's possible to give live audio input to GNU Radio then the FM Stereo transmission is possible. Not sure though is the 8 bits enough to create a transmission? But according to this video it certainly is! http://www.youtube.com/watch?v=j0pToN6I09c Here it seems that the GNU Radio is creating the MPX. So by letting Stereo Tool to handle the MPX generation you need to concentrate to transmitting it correctly on FM. Uh.. makes me want to have this HackRF soo bad 
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| Author: | mpex2006km [ Tue Nov 18, 2014 12:19 am ] |
| Post subject: | Re: Stereo Tool with GNU Radio |
I would actually want an USRP...... |
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| Author: | veso266 [ Tue Nov 18, 2014 2:38 pm ] |
| Post subject: | Re: Stereo Tool with GNU Radio |
The only problem I'm having is that I can't get GNU Radio work with jack |
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| Author: | radiofreak [ Fri Nov 21, 2014 9:59 pm ] |
| Post subject: | Re: Stereo Tool with GNU Radio |
I've realized this a while ago, when hans has relased the first linux-version of ST with Jack-support, with GNURadio and an Ettus USRP-B100. My signal-path (which was composed in a shell-script) was: mplayer -> jack -> stereotool l/r-in -> stereotool-mpx-out -> jack -> vlc media player -> stdout -> gnuradio-stdin-source -> usrp-sink -> ettus-b100 You have to built a GNURadio-Sketch with at least a simple level-adjustment to scale the mpx-output of ST to +-75 kHz deviation (for that, you need a modulation monitor). Set the samplerate in Jack and VLC to at least 128 kHz to get a proper MPX-signal to the USRP. Good luck! |
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| Author: | veso266 [ Sat Nov 22, 2014 1:00 pm ] |
| Post subject: | Re: Stereo Tool with GNU Radio |
thanks for this but I can't find gnuradio-stdin-source how can I set devitation to 75 khz? Best Regards |
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