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Forum: Restore, Filter, Improve Quality 05-01-2022, 09:54 AM
Replies: 7
Views: 206
Posted By Selur
Cropping followed by BalanceBordersMod (bbmod)...

Cropping followed by BalanceBordersMod (bbmod) also works fine.
http://www.digitalfaq.com/forum/error.gif (https://ibb.co/RQGxSvj)

Cu Selur
Forum: Restore, Filter, Improve Quality 04-26-2022, 07:03 AM
Replies: 7
Views: 206
Posted By lollo2
THe origin of that script is here:...

THe origin of that script is here: https://forum.videohelp.com/threads/385637-Erase-red-purple-mark-%28VHS-capture%29
Forum: Restore, Filter, Improve Quality 04-26-2022, 05:43 AM
Replies: 7
Views: 206
Posted By themaster1
I think i got it covered The green...

I think i got it covered




The green removal part does the magic i just don't fully understand it either; you basically crop (16 pixels on the right) the green part of the V channel and you...
Forum: Restore, Filter, Improve Quality 04-23-2022, 12:48 PM
Replies: 18
Views: 332
Posted By msgohan
Did some testing with my "VC500CXT" model on...

Did some testing with my "VC500CXT" model on Win10 today.

Can confirm:

Histogram contains spikes at Default levels. For me, Contrast = 5928 seems to be the one and only magic number for a...
Forum: Restore, Filter, Improve Quality 04-18-2022, 03:16 PM
Replies: 18
Views: 332
Posted By lollo2
your full script modified to include the...

your full script modified to include the functions:

function Levels_mod(clip c, int "input_low", float "gamma", int "input_high", int "output_low", int "output_high", bool "coring", bool "dither")...
Forum: Restore, Filter, Improve Quality 04-18-2022, 11:22 AM
Replies: 18
Views: 332
Posted By lollo2
Yes. It is not mandatory for the histogram to...

Yes. It is not mandatory for the histogram to extend to full width and heigth. Is must be appropriate for the kind of scene. You can add your "personal" taste if you wish, as you did.



The...
Forum: Restore, Filter, Improve Quality 04-18-2022, 04:43 AM
Replies: 18
Views: 332
Posted By lollo2
Once again, you should move (decrease/shift) the...

Once again, you should move (decrease/shift) the levels before capturing just to avoid crushed blacks and clipped whites, beeing these the levels that your card cannot capture, Y<10 or 14 and Y>254...
Forum: Capture, Record, Transfer 01-09-2022, 07:35 AM
Replies: 41
Views: 1,440
Posted By lollo2
No. Pal VHS captured frame is 720x576, but the...

No. Pal VHS captured frame is 720x576, but the active area is 702/704x576. The 4:3 aspect ratio refers to this last (search the latreche34 experiment on display a circle here or in videohelp forum)....
Forum: Capture, Record, Transfer 01-08-2022, 03:26 PM
Replies: 41
Views: 1,440
Posted By lollo2
Maybe I was not clear, sorry. You should not push...

Maybe I was not clear, sorry. You should not push anything, just capture at the default of your card. Eventually shrink (never expand) to avoid clipping and crushing.

My school of thought:

...
Forum: Capture, Record, Transfer 01-08-2022, 12:46 PM
Replies: 41
Views: 1,440
Posted By lollo2
You should let the card to capture with its...

You should let the card to capture with its default setting, no procamp adjustement.
Then, you need to remove (crop) in AviSynth all black borders and the head switching noise at the bottom.
Then...
Forum: Capture, Record, Transfer 01-03-2022, 11:31 AM
Replies: 41
Views: 1,440
Posted By lollo2
VC500 should be in 14-245 range...

VC500 should be in 14-245 range http://www.digitalfaq.com/forum/video-capture/9865-canopus-advc-110-a.html#post62640

To find exact values, run ColorYUV(analyze=true) on a capture and "read" the...
Forum: Capture, Record, Transfer 01-03-2022, 08:04 AM
Replies: 41
Views: 1,440
Posted By lollo2
It I remember correctly, a HDMI connection can...

It I remember correctly, a HDMI connection can carry both RGB and YUV color space.

If you generate the final video by ffmpeg, sourced by an avs script not including any color space manipulation,...
Forum: Capture, Record, Transfer 01-02-2022, 01:30 PM
Replies: 41
Views: 1,440
Posted By lollo2
Strange, in VirtualDub (not 2) when you specify...

Strange, in VirtualDub (not 2) when you specify "Direct stream copy" the saved file is untouched in its original codec compression.



Yes, this is what I would do.



Yes. You can use...
Forum: Capture, Record, Transfer 01-02-2022, 12:54 PM
Replies: 41
Views: 1,440
Posted By traal
There's no need for any of that. Just add Trim()...

There's no need for any of that. Just add Trim() to the beginning of your script, like this:

Trim(247,181663)

The two numbers are the numbers of the first and last frame to keep.
Forum: Capture, Record, Transfer 01-01-2022, 02:45 PM
Replies: 41
Views: 1,440
Posted By lollo2
Yes ...

Yes



https://forum.videohelp.com/threads/404164-Why-is-QTGMC-so-destructive-and-why-do-so-many-people-still-recommend-it

Experiment yourself and compare. Fast preset is reccomended to avoid...
Forum: Capture, Record, Transfer 01-01-2022, 12:05 PM
Replies: 41
Views: 1,440
Posted By hodgey
You should be able to see in the virtualdub live...

You should be able to see in the virtualdub live histogram whether there is anything going inside the red areas. If it's clipping somewhere it won't go below/above a certain spot.
Forum: Capture, Record, Transfer 01-01-2022, 11:27 AM
Replies: 41
Views: 1,440
Posted By traal
My understanding is that DVD video can be either...

My understanding is that DVD video can be either 704 or 720 pixels across, and a DVD player uses a 720x576 frame to create an analog signal, adding 16 pixels on the sides for overscan if the source...
Forum: Capture, Record, Transfer 01-01-2022, 10:21 AM
Replies: 41
Views: 1,440
Posted By lollo2
Actually there is no ascpect ratio to correct....

Actually there is no ascpect ratio to correct. Captured 720x576 is "supposed" to be 4:3 DAR, but the info is missing because the avi container for lossless captures does not contain that flag (if you...
Forum: Capture, Record, Transfer 01-01-2022, 04:46 AM
Replies: 41
Views: 1,440
Posted By lollo2
C) 720x576 (best) traal is right, there is...

C) 720x576 (best)

traal is right, there is no need at all to do any (loss) resizing. Captured frame is 720x576 and will display at proper 768x576 dimension when DAR (Display Aspect Ratio) is set...
Forum: Capture, Record, Transfer 12-31-2021, 06:34 PM
Replies: 41
Views: 1,440
Posted By traal
If you use a container format that has native...

If you use a container format that has native support for aspect ratio settings, you shouldn't have to do any scaling at all (https://blender.stackexchange.com/a/26139).

Since you're using FFMpeg,...
Forum: Computers 02-06-2021, 05:34 PM
Replies: 1
Views: 319
Posted By hodgey
On the VGP-PRAV1 it looks...

On the VGP-PRAV1 it looks (https://www.manualslib.com/manual/699088/Sony-Vaio-Vgn-A50b.html?page=10) like the capture module consists of a NXP/Philips SAA7115 video decoder, and a CY7C68013 usb...
Forum: Capture, Record, Transfer 11-09-2020, 06:20 PM
Replies: 12
Views: 1,000
Posted By BW37
Herb, You're coming up to speed nicely. ...

Herb,

You're coming up to speed nicely.

For your tapes recorded in digital format (Digital8 or D8), "capturing" them with the firewire connection is fine, tried and true. The reason I put...
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