All About Video Compression - AVS Forum

[lingyi]

An interesting webcast with Scott Wilkinson and David Mackenzie, video calibrator and compressionist

http://www.avsforum.com/forum/138-avs-forum-podcasts/2099754-all-about-video-compression.html

A few points I personally found very interesting / funny:

The digital masters are 2TB or larger, then compressed to 50GB or less for Blu-Ray. Gives me more reason to retain my highly compressed Blu-Ray rips just as they are.
Digital masters are 10 bit, then reduced to 8 bit, with grain actually helping hide dithering effects from the reduction.
David uses LCDs in "torch mode" to enhance artifacts that would be hidden with a "properly calbrated" screen when checking his work.

[Dougster]

Excellent post. Thank you!

[SameSelf]

One other item I found interesting: moving the image one or two pixels so as not to combine a pillar box with the image in a macroblock which is easier for encoding even if this means the image is not centered.