View Full Version : suggested deinterlacer for interlaced dv going to mpeg 2 dvd high bitrate
gavo
20th November 2004, 23:02
I was thinking maybe a bob and for resize ether sharpest or HybridFuPP. Any suggestions? dv interlaced is pure interlaced so maybe bob wouldnt be the best althrough I like to deshake it abit.
Mug Funky
21st November 2004, 08:47
um... if you're going high-bitrate mpeg-2, then leave it as is and encode interlaced!
denoising isn't needed if you're going over about 6mbps, and you can safely keep things interlaced. remember DVD can hold 9.8mbps max for video, and 10.02mbps max for all tracks combined (including multi-angles if you have them).
and resizing isn't needed either - DV = 720x480/576 = DVD. the only thing you need to do is make sure you encode bottom field first, or playback will be jittery. alternately you could use doubleweave().selectodd() in your avisynth script and this will flip the field order to DVD-native top-field-first. it's probably simpler and faster to just encode bottom-first and let the DVD player do the field-offset for you.
to encode interlaced, use these options in your encoder (or simply enable anything that says "use this for interlaced" :)):
alternate, not zigzag scan
field-based ME (if it's available)
QuEnc or NuEnc with interlacing enabled will work fine, i think. maybe you'll need a 2-pass encode with the former to avoid possible bitrate spikes that might cause playback to jerk (a program like Bitrate View sould help you here).
gavo
21st November 2004, 08:57
thank you very much, one question tho is were is this field-based ME located in cce and is cce top filed first option good enough for switching fileds.
Mug Funky
21st November 2004, 10:26
for CCE, alternate scan will do. i was talking generic interlace specific options for mpeg-2. most encoders wont list all of these :)
with any given encoder, just enable anything related to interlace, and make sure it's bottom-first (or "not top first" in CCE's case).
i can't bring up CCE at the moment to read off te right options, but i trust you to find them (i can't remember if alternate-scan is all there is). i left CCE in my other pants, so to speak :)
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