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Re: [Discuss-gnuradio] Minimal Hardware to Run Gnuradio on?

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] Minimal Hardware to Run Gnuradio on?
Date: Thu, 16 Dec 2004 09:28:15 -0800
User-agent: Internet Messaging Program (IMP) 4.0-cvs

> I notice on the Wiki that the conjecture about the bandwidth of
> the USB2 has changed to an assurtion (vis-a-vis hdtv.)  That was
> neat to see, but it left me with a question (which I hate to spam
> the Wiki with.)  Is it the case that the USB2 bandwidth is
> sufficient for 1/1, but the overhead of related CPU-side
> processing brings the ratio down?

That is correct.  The USRP is fast enough to handle HDTV in real time, but the
PC is not (yet).  I suspect that with a little bit of tuning, and some offload
to the USRP FPGA, that it could be done.

BTW, Eric and I are in Utah right now demonstrating the USRP for an NSF crowd.


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