RE: Interlace Noise (field swapping?) on Pinnacle PCTV

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Aha.  That's what I think too. :)

The question I now need to answer is: If it isn't interlace noise, what
is it?

Anyone have any ideas?  I'm going to try to grab some raw frames to see
what it looks like un-encoded.

Regards,
Pat

-----Original Message-----
From: video4linux-list-admin@xxxxxxxxxx
[mailto:video4linux-list-admin@xxxxxxxxxx] On Behalf Of Trevor Boicey
Sent: Wednesday, February 20, 2002 12:40 AM
To: video4linux-list@xxxxxxxxxx
Subject: Re:  Interlace Noise (field swapping?) on Pinnacle PCTV


video@xxxxxxxxxxxxx wrote:
> It's a short clip, but you can clearly see these lines, even with 
> mpeg1 encoding..  Can anyone compare this to thier results, and let me

> know if this is typical?

  That doesn't look like interlacing to me, it looks way too coarse.

  Interlacing lines are much much finer, more or less one scan line high
on a 640x480 capture for NTSC...

  I'll email you a picture of "typical" interlace issues.

-- 
Trevor Boicey, P. Eng.
Ottawa, Canada, tboicey@xxxxxxx
ICQ #17432933 http://www.brit.ca/~tboicey/
"So Hungry... can't eat car..." - Homer



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