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Re: [Discuss-gnuradio] Is there a gnuradio module that uses a file as a

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Is there a gnuradio module that uses a file as a source?
Date: Fri, 7 Aug 2009 16:25:03 -0700
User-agent: Mutt/1.5.18 (2008-05-17)

On Fri, Aug 07, 2009 at 06:52:41PM -0400, Jonathan Coveney wrote:
> It looks like I needed to change the decimation rate. Since cfile uses 16, I
> tried 16 on the side of the demodulator (instead of 200, which is the
> default), and it worked. Is this how it should be? One thing that does
> happen is that it KILLS my computer's processing, which I assume the
> throttle should help? I did this
>         self.connect (self.u, gr.throttle(gr.sizeof_gr_complex, 64000000),
> chan_filt, self.guts, self.volume_control, audio_sink)
> But while it works, it still is a bit sluggish, and a bit off. Any advice?

If there's a rate limiting block in the graph (e.g., usrp, audio) you
should not use a throttle block.


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