[Freevo-users] OT: Does deinterlacing (noticably) degrade quality?

[Niklas Brunlid]

I run Freevo on an Asus Pundit (exclusively on TV-out) with no support for 
anything like interlaced output (not that any cards seem to have it, but 
I'll be happy if you prove me wrong here). So when using f.x. Xine I use 
the post-processing TVTime "Linear interpolation" mode, which seems to 
work great, at least on my small sample of interlaced DVDs (Futurama and 
B5).

My question is, how much quality am I throwing away? Does interlacing 
actually add quality or is it, as many sources tell me, only a hack to 
help against the bandwidth limitations of broadcast TV? In other words, is 
25/30 images per second enough on a TV? And do I really waste half of the 
vertical resolution when de-interlacing?

I will research this a bit on google etc.,  but this seemed like a good 
place to ask. :)

/ Niklas

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