Black pixelation from video capture

[vtecmw]

I am trying to capture some movies from my Tivo to burn to DVD. I have been using Virtualdub to capture the AVI from my Pinnacle PCTV card. I am using an MJPEG filter with Quality setting 19. I then apply the necessary filters and process a new AVI file. I then encode using TMPGENC using 2-Pass VBR with a min of 5000, target 6000 and a max of 8000.

I noticed on two of the DVDs that I've burned that there are high amounts of pixelation in the movies I've captured during dark scenes. Please look at the following images and let me know if there is a Virtualdub filter or anything else I can use to resolve this problem.




In this photo the dark floor shows artifacts quite a bit as the soldier is walking across it. His silhouette is almost cartoon like as well because of the darkness of the scene and the effect it has on the captured video



Artifacts and distortion on his right shoulder (where walkie talkie is mounted) because of the darkness. Also, wall over his left shoulder shows artifacts and distortion as well.



The face of the person on the right because distorted as he moves in an out of the dark light. Some artifacts on the wall.



Very similar issue to bhel1.jpg. Lots of artifacts on the wall and the floor because of the dark scenery. Soldier's silhouette is almost cartoon like.

High-resolution copies of these photos can be found at:

http://home.comcast.net/~mwycheis/bhel1.jpg
http://home.comcast.net/~mwycheis/bhel2.jpg
http://home.comcast.net/~mwycheis/bhel3.jpg
http://home.comcast.net/~mwycheis/bhel4.jpg

Any advice that could help me minimize this pixelation, artifacts, etc. would be greatly appreciated. I am sure that it most likely occurred during capture.

I am caputring with a:

Pentium 4 2.4Ghz
512 MB RAM
250GB hard drive
Pinnacle PCTV Card with BTSourceforge drivers
Realtek Audio
Virtualdub Capture
Deinterlace filter
null transform filter
Tmpgenc encode using 2-Pass VBR min 5000 max 8000 target 6000.

Please excuse me if I posted this in the wrong forum.

[tito13kfm]

Edit: sorry.. not correct info.