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Re: [Discuss-gnuradio] USRP for YPbPr ADC?

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] USRP for YPbPr ADC?
Date: Fri, 24 Dec 2004 14:11:21 -0800
User-agent: Mutt/1.5.6i

On Fri, Dec 24, 2004 at 01:57:48PM -0800, Steve Schear wrote:
> At 01:19 PM 12/24/2004, Seth David Schoen wrote:
> >Does anyone have any information that would tend to indicate how useful
> >the USRP would be for digitizing a YPbPr component video signal?
> I have an active and funded project going that is designed to digitize a 
> YPbPr component video signal at 80 MSPS and 8/10-bits.  One option provides 
> a lossless compressed output (between 4- 4.5-to-1) onto either USB 2.0 and 
> Firewire, which may be sufficient for at least 720p resolution.  No current 
> plans for GNURadio use.

Cool project.

80 MSPS * 3 channels * 1 byte/sample * 1/4.5 = 53.33e6 bytes/sec.

Did I miss something, or how are you planning on getting that across
the USB?  Do you have a host/peripheral controller pair that will
sustain that kind of throughput?  If so, which ones?


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