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Re: [Discuss-gnuradio] GNURadio + Dream

From: Brett L Trotter
Subject: Re: [Discuss-gnuradio] GNURadio + Dream
Date: Wed, 31 May 2006 01:25:03 -0500
User-agent: Thunderbird (Windows/20060308)

Replying to myself here.. I imported the data as raw using Audacity
under windows Signed 16 bit little endian and that seemed to result in
appropriate sounding (encoded) stereo audio. Using that as a source file
under windows does not yield results however. Still looking for more

Brett L Trotter wrote:
> OK- I've finagled the Dream code into giving me a file output from
> transmitting and can even go into a FIFO and back into Dream receive-
> the only problem is the dream decoder doesn't seem to lock on to a signal.
> I have the code to receive off of the USRP into a FIFO (complements of
> Mateo Campanella) which Dream can then supposedly use as an input..
> There doesn't seem to be any code to write out WAV file headers (on the
> transmit side- the rx code does have the ability to decode to a wav
> file) or anything, but I think the data may be raw data that you'd
> presumably pipe to /dev/audio or something.
> If say it is indeed a wav file, minus the header, theoretically how
> would I take this output file and transmit it over the USRP (LF TX or
> Basic TX) through a short rf patch cable into the basic RX or LF-RX and
> back into Dream..
> Similarly, if I took one of the Dream sample encoded files- which are in
> fact wav audio- how would I transmit that?
> I anxiously await the gnuradio originated code to do this sort of thing
> more directly- but would appreciate any input anyone might have!
> Thanks in advance!
> -Brett
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