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Re: [Discuss-gnuradio] Transmitting a file (txt, jpeg or audio) in FM Ba
From: |
Juha Vierinen |
Subject: |
Re: [Discuss-gnuradio] Transmitting a file (txt, jpeg or audio) in FM Band |
Date: |
Wed, 23 Jan 2008 17:13:07 +0200 |
On Jan 23, 2008 4:55 PM, <address@hidden> wrote:
> I have been playing around the USRP and would like to get an Idea how I can
> transmit an FM signal in the FM Band. For example, I would like to transmit a
> file (txt, jpeg, audio or anything) using in the FM band 88MHz-108MHz at a
> specific frequency.
> I have looked at the nbfm_tx.py but it seems like I cannot generate a valid
> audio-N.dat file that could be transmitted or in other words how can we
> generate an audio-N.dat file from an .mp3 or .wav file? Also, can any one
> explain that how we can use the nbfm_tx.py or any other method to transmit
> something over an frequency in FM band?
Using sox, it is pretty easy to write a mp3 wfm broadcasting system (I
have made one that broadcasts a mp3 playlist). The others are also
possible, but there are very many ways to transfer images or data over
the air.
> sox file.mp3 -r 32000 -t raw -f -l -c 1 audio.dat
juha