De-Interlace during capture... How? (Newbie)

Moderator: Ken Berry

Post Reply
Carrot

De-Interlace during capture... How? (Newbie)

Post by Carrot »

Hi,

I'm having problems with my captured videos (from Sony DCR-TRV60E per Firewire to my Samsung pc), they look fine on tape, but when I view the captured vids on my computer, they show this comb-like structure, especially during action sequences. As far as I have gathered using the search button, this has something to do with the interlace problem. So my question ist: Can I either de-interlace during capture or during output, if so, where? If this question is answered elsewhere, please forgive me but I could't find anything simple enough for me to understand :wink:

Thank you and happy new year
Black Lab
Posts: 7429
Joined: Wed Dec 15, 2004 3:11 pm
operating_system: Windows 8
System_Drive: C
32bit or 64bit: 64 Bit
Location: Pottstown, Pennsylvania, USA

Post by Black Lab »

Are you talking about this problem occuring when viewing thru VideoStudio's preview window? If you have VS set for instant playback this is normal.
User avatar
Ron P.
Advisor
Posts: 12002
Joined: Tue May 10, 2005 12:45 am
operating_system: Windows 10
System_Drive: C
32bit or 64bit: 64 Bit
motherboard: Hewlett-Packard 2AF3 1.0
processor: 3.40 gigahertz Intel Core i7-4770
ram: 16GB
Video Card: NVIDIA GeForce GTX 645
sound_card: NVIDIA High Definition Audio
Hard_Drive_Capacity: 4TB
Monitor/Display Make & Model: 1-HP 27" IPS, 1-Sanyo 21" TV/Monitor
Corel programs: VS5,8.9,10-X5,PSP9-X8,CDGS-9,X4,Painter
Location: Kansas, USA

Post by Ron P. »

You might want to view the tutorial on VS10 Preferences and Project Settings...;)
Ron Petersen, Web Board Administrator
jchunter

Post by jchunter »

Carrot,
If you want to deinterlace, you should do it after capture and edit are complete, at the output stage, when you create your video file.

BTW, make sure that you can see the interlace distortion on your primary viewing device. Usually, a TV set will display the two different fields of an interlaced frame 1/60 sec. apart in time (@30fps), which was the way they recorded. However, if you are using a progressive scanned device, such as a PC monitor, the classic comb effect will be quite noticeable and deinterlacing will smooth out the edges.
Carrot

Post by Carrot »

Thanks all of you for the good tips, I found a program to do what I wanted through Vidoman's link. Thanks again!
User avatar
Ken Berry
Site Admin
Posts: 22481
Joined: Fri Dec 10, 2004 9:36 pm
operating_system: Windows 11
System_Drive: C
32bit or 64bit: 64 Bit
motherboard: Gigabyte B550M DS3H AC
processor: AMD Ryzen 9 5900X
ram: 32 GB DDR4
Video Card: AMD RX 6600 XT
Hard_Drive_Capacity: 1 TB SSD + 2 TB HDD
Monitor/Display Make & Model: Kogan 32" 4K 3840 x 2160
Corel programs: VS2022; PSP2023; DRAW2021; Painter 2022
Location: Levin, New Zealand

Post by Ken Berry »

I am just a little troubled that this thread may have led in a direction not necessarily intended by the OP -- not that he actually told us what he *did* intend. But that itself is the problem.

Nor did he tell us the format and properties of the files he captured. It could have been a 'simple' Field Order problem (with the jaggies which appear when you get the Field Order wrong possibly meeting the 'combing' description provided by the OP).

Or it could have been nothing at all. I don't particularly like the Preview screen in VS, and have made that clear on any number of occasions. One of my main dislikes is the fact that when playing back a captured video, it gives what *I* think of as a combing appearance, yet I know absolutely there is nothing wrong with the Field Order. And when I render to a DVD-compliant mpeg-2 and actually burn it to a disc, that combing does not appear at all in the finished DVD. In other words, it was simply an artifact of the preview screen trying to do a variety of complex things all at once and not quite managing to show an absolutely smooth and faultless playback as a result. But I have learned simply to live with that as a fact of video editing...

That is why I worry that the OP has now found a program to correct what might not have been a problem at all -- merely a playback artifact; or at worst a Field Order problem which easily have been corrected by merely reversing the Field Order. :roll: Applying that program might now create other problems when he gets around to actually burning his video and then playing it back on a proper TV screen.
Ken Berry
Carrot

Post by Carrot »

What I intended: To capture from my camcorder (I used lower field first), the final product being avi's to watch on the compuer screen, not for a dvd recorder. In other words, I wont ever be burning those clips onto DVD, so I won't have any nasty surprises. I simply need an avi clip which looks good on the standard media players, and I've got that now using Avisynth and VirtualDub.
Post Reply