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Interlace lines I do not need

March 1 2003 at 11:33 AM
  (Login Dagian)

 
Have captured NTSC video tape at 352x288 (the best I could manage)and resized (VDub)to 480x576. Then used VDub deflicker filter and now looks OK but for these infernal horizontal interlace lines around moving parts such as hands and heads. I have used TMPGE to
MPG but these lines totally spoil the finished aticle.

Can anyone out there please help. If you require any further info. let me know

 
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AuthorReply
Coby
(no login)

That sounds bit odd

March 1 2003, 12:01 PM 

If you captured at 352 by 288 then your captured footage is already deinterlaced.... so you've somehow added the interlacing effect with your subsequent resizing.

Aside from that, the short answer is that TMPGEnc has a built-in deinterlace "filter" with various options of blending or discarding unwanted fields. Try these options out with preview on, and you should be able to see which provides the best fix.






 
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(Login luisifer)

Re: Interlace lines I do not need

March 1 2003, 12:09 PM 

Firstly it is Not a Good idea to Up-size the Resolution, especially that Much and with Interlaced Vidio Cuz you will loose much of the Quality and Detail, You would probably get better Quality makeing a SVCD with the original 352+288 resolution(XSVCD) than Resizeing..But if you feel you must resize then try useing one of the 16 different De-Interlace filters that Tmpgenc has to try to get rid of the combing, but generally speaking the Interlace lines should not show up on your TV Cuz TV"s are made to display Interlaced video were Computer monitors are not, they are made to display Progressive video...

 
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Dagian
(Login Dagian)

Interlace lines I do not need

March 4 2003, 3:26 AM 

Having read your responses I have scrapped my file and recaptured. Using XSVCD (which I was'nt familiar with) the quality is much better and although the interlace lines are there they are not as bad and I think I can get rid of those.
Many thanks for your advice.

 
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erratic
(no login)

Re: Interlace lines I do not need

March 1 2003, 3:26 PM 

Dagian, you should never capture NTSC at 352x288 because that's a PAL resolution. For NTSC SVCD you should capture 480x480. Then you won't have to resize. If you can't manage 480x480, try 352x480. If that doesn't work, capture 352x240 and make an NTSC VCD.

 
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Coby
(no login)

Re: Re: Interlace lines I do not need

March 5 2003, 2:21 AM 

To repeat the point made above - DO NOT capture at 352x288 if it is NTSC material. That is the PAL spec and will generate a psuedo-interlace effect if used on NTSC footage!!!

Capture at 352x240 or 352x480 or 720X480.

 
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dagian
(no login)

Re: Re: Re: Interlace lines I do not need

March 7 2003, 6:10 AM 

I have downloaded software which allows me to capture NTSC in "PAL 60" format. Apart from the lines mentioned earlier the capture is good. I am not complaining as I have tried some weird and wonderful ways of capturing NTSC and this is the first success I have had. Thanks for your time and advice.

 
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erratic
(no login)

Re: Re: Re: Re: Interlace lines I do not need

March 7 2003, 9:29 AM 

I can capture PAL-60 with my AIW8500DV. The resolution is still NTSC (240 or 480 lines, not 288 or 576). And the framerate is 29.97 fps, not 25 fps.

 
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(Login luisifer)

Re: Re: Re: Re: Re: Interlace lines I do not need

March 7 2003, 12:49 PM 

Then I don"t think that is Pal then..The Standards are Very Clear 25fps is Pal and 29.97 is NTSC, 50fps is Pal and 59.94/60fps is NTSC..If there is a 60fps Standard for Pal I"ve never heard of it and it would be strange that they would make a Pal standard that is exactly the same as a NTSC Standard, But I gues it worth looking in too...

 
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erratic
(no login)

Re: Re: Re: Re: Re: Re: Interlace lines I do not need

March 7 2003, 2:40 PM 

Somewhere on http://forum.pcvsconsole.com/viewthread.php?tid=2851 you can read: "PAL60 is a new system that uses PAL's superior colour handling, only it has the NTSC resolution and frames per second. So it's PAL only formatted to play NTSC stuff."

 
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Coby
(no login)

Re: Re: Re: Re: Re: Re: Re: Interlace lines I do not need

March 9 2003, 12:28 AM 

Yep, that is indeed what PAL60 is...and the key point is that its NTSC resolution! So I stand by my advice to capture at 240 not 288 line horizontal.

 
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erratic
(no login)

Re: Re: Re: Re: Re: Re: Re: Re: Interlace lines I do not need

March 9 2003, 7:46 AM 

Yes, Coby is right. Capture 240 lines (or 480 if you can, for better quality). Not 288 or 576! Also capture 29.97 frames per second, because an NTSC tape still plays at that framerate in PAL-60 mode. Capturing 25 fps will result in jerky video. And of course, with the captured AVI file you have to make an NTSC (X)(S)VCD. Most PAL TVs and DVD players can play NTSC just fine.

 
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