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Re: [Discuss-gnuradio] notebook computers

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] notebook computers
Date: Mon, 15 Nov 2004 08:23:57 -0800
User-agent: Mutt/1.5.6i

On Mon, Nov 15, 2004 at 06:29:01AM +0000, Prateek Dayal wrote:
> Hi,
> In x window mode ... can you do a real time FM demod ??
> On my 1.6 Ghz, 25g Mb, 7200 RPM machine, when i run gentoo(2.6.5) +
> gnome and try to demodulate FM, the voice cracks ...
> is there some problem with my configuration. I am also planning on
> getting a laptop but now after seeing this will wait and get atleast a
> 2.8 Ghz one :-)
> bye
> Prateek 


Are you trying to demod the FM in the NTSC file I gave you, or are you
trying to demod a single FM channel that's already at baseband?

If you are trying to demod the FM in the NTSC file, please be sure to
update gnuradio-core from CVS and rebuild.  If you do that you'll get
Stephane's much faster (3x - 6x) complex dot product which is the
bottle neck in the NTSC FM demod.


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