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Date:      Tue, 19 Aug 2003 08:23:46 -0700
From:      Lars Eggert <larse@ISI.EDU>
To:        Luigi Rizzo <rizzo@icir.org>
Cc:        multimedia@freebsd.org
Subject:   Re: bktr card that does PAL+NTSC?
Message-ID:  <3F424102.3040603@isi.edu>
In-Reply-To: <20030819081645.B72075@xorpc.icir.org>
References:  <3F423DFE.2030608@isi.edu> <20030819081645.B72075@xorpc.icir.org>
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[-- Attachment #1 --]
Luigi,

Luigi Rizzo wrote:
> On Tue, Aug 19, 2003 at 08:10:54AM -0700, Lars Eggert wrote:
>>
>>can anyone recommend a TV card that works with the bktr driver, and 
>>accepts both PAL and NTSC inputs? (Or do they all? My old one said 
> 
> They all work with both PAL and NTSC, at least when grabbing baseband
> composite video. PAL decoding could make use of a 64us delay line
> to compensate phase errors between adjacent lines, but the frame
> grabbers just omit that optimization so the decoding process is
> entirely in software.
> 
> The trouble could be if you are trying to receive PAL through the
> tuner, because PAL and NTSC have different channel width and audio
> subcarrier.

goint through the tuner is what I'm looking for. This is for a little 
digital video recorder I'm putting together using the Asus Pundit SFF 
and the freevo port Steve O'Hara is preparing. I'd like it to work here 
in the US and when I move back to Europe. (I could always just buy 
another TV card there, however.)

>>"Philips NTSC tuner" during boot, and I never tried PAL.) Extra brownie 
>>points if it can be obtained in the US :-)

Lars
-- 
Lars Eggert <larse@isi.edu>           USC Information Sciences Institute

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