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| tuaris |
| Posted: Dec 1 2013, 06:58 PM |
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Newbie
Group: Members
Posts: 3
Member No.: 33459
Joined: 27-October 11
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I have some old VHS tapes that I am capturing on a DVICO Fusion HDTV 5. I've run into two problems.
1) The tapes are very old and have some quality issues. Occasionally the screen drops out to the "blue" due to the poor quality even though the picture is visible on a regular TV. It there a way to avoid that? Is that something that needs to be done on the hardware/driver side? If so, how can that be done on this type of capture card.
2) I wasted about 3 hours of time because of a timing issue that occurred half way into the capture. Again, this is probably due to the quality being so bad. I think VirtualDub tried to over-correct audio timing and I ended up with a blue screen with 3 hours of audio compressed into just 10 minutes.
See Example: http://venus.morante.net/downloads/unibia/...ture-timing.jpg
I'm using the composite inputs and the audio input from the sound card.
I also have an Osprey 440 laying around. Would I be better off installing and using that instead? |
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| JAFO |
| Posted: Dec 1 2013, 08:38 PM |
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Newbie
Group: Members
Posts: 3
Member No.: 37515
Joined: 30-November 13
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I have an unconventional approach to problems like this.
I abandoned my capture card for old VHS tape transfers because of all the problems associated with it. Instead I transfer the VHS tapes to DVD using an off the shelf DVD Recorder (usually pretty cheap)and copy the files directly to my hard drive from the resulting DVD disc. Next I capture the audio to a separate file and store it on my hard drive then fire up VD and select no audio ( I add the audio later. likely get an AC3 error on import) and Import the VOB . I then load the following filters...
Warp sharp
HSV
Field Bob (smooth/smooth)
Rotate (left 90)
Field Bob (smooth/smooth)
Deinterlace (mode: blend,keep bottom)
Rotate (Right 90)
After loading the filters I examine the results in the preview window and notice a slight blurring of edges and over-saturation of color. I make necessary adjustments in the warp sharp and HSV filters in preview mode if necessary i load additional filters including:
Rotate (left 90)
Field Bob (smooth/smooth)
Deinterlace (mode: blend,keep bottom)*
Rotate (Right 90)
Field Bob (smooth/smooth)
(perhaps a sharpen to be moved up to the top of the stack)
When I feel I have gotten it the best i am going to get I export the file in uncompressed format, with additional Up-scaling and refinements done later.
I have gotten exceptional results using this technique(even from some pretty poor video), some rivaling or exceeding average HD video in appearance. Of course as always the results are dependent upon the input quality some better than others. I am not an expert far from it, but patience practice and the willingness to experiment pays off....sometimes....lol.
*If adding additional de-interlace remove the one above you only need 1 in the stack following the last Rotate (left 90) Field Bob (smooth/smooth) in the stack. The reason for this filter is to eliminate vertical lines, one at the end is enough.
I would like to show examples but for some reason I cant post Images. |
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