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Re: [Discuss-gnuradio] USRP for YPbPr ADC?
From: |
Seth David Schoen |
Subject: |
Re: [Discuss-gnuradio] USRP for YPbPr ADC? |
Date: |
Fri, 24 Dec 2004 15:04:49 -0800 |
User-agent: |
Mutt/1.5.6+20040907i |
Matt Ettus writes:
> Quoting Seth David Schoen <address@hidden>:
>
> > Matt Ettus writes:
> >
> > > Quoting Seth David Schoen <address@hidden>:
> > >
> > > > Does anyone have any information that would tend to indicate how useful
> > > > the USRP would be for digitizing a YPbPr component video signal?
> > >
> > > You'd need to make a DC-coupled daughtercard which would be pretty easy.
> > What
> > > kind of sample rate and precision would you need?
> >
> > It seems like you need 3 channels and my
> > lots-of-simplifying-assumptions thought is about 4 Msps apiece, 8
> > bits/sample each. That seems well within the capabilities of the
> > USRP.
>
> Yes, that would be pretty easy. But I did some calculations, and I come up
> with
> different numbers -- 1920 * 1080 * 30 ~= 62 MS/s.
You're right, I miscalculated.
--
Seth Schoen
Staff Technologist address@hidden
Electronic Frontier Foundation http://www.eff.org/
454 Shotwell Street, San Francisco, CA 94110 1 415 436 9333 x107
Re: [Discuss-gnuradio] USRP for YPbPr ADC?, Eric Blossom, 2004/12/24