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Re: [Discuss-gnuradio] FFT refresh only once a second

From: mgfast
Subject: Re: [Discuss-gnuradio] FFT refresh only once a second
Date: Fri, 19 Aug 2011 05:23:55 -0700 (PDT)

Hi again,

as it turns out everything is alright with an external standard usb
soundcard. I will investigate more on the issue and hopefulle report
solutions to it.

mgfast wrote:
> Hallo,
> I newly installed gnuradio in two different versions: 3.3.0 and the actual
> one. In both I have the same weird behaviour about the fft and waterfall
> sink: no matter how I set their refresh/update rates, they are only going
> to be updated about once a second. If the update rate is 2 it would actual
> draw two graphs very fast after another. Same for highe update rates: all
> curves are drawn at a almost single instance every second. System is an
> AMD E350 and Ubuntu 11.04 (natty). Has anyone a clue???
> Thanks for your help, 
> mgfast

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