The Aviator and Ocean's movies were HD-DVD releases...so it is not suprising that they are under 30GB as that is the limit for HD-DVD and I don't think it would be reasonable to assume that the studio is going to be for a different encode to take advantage of the additonal space.
For the Harry Potter films are those bitrates peak or average. My bet is that it is average and it isn't suprising. I know I have watched movies on my PS3 (which has a realtime bitrate meter) and I know I have seen peaks in the 40 mbps range, the averages though are below 20 mbps and that is fine. Having the space and the transfer rate to handle complex fast motion scenes in what the advantage of a 50GB disk is.
“An engineer explained to us that hundreds of ear impressions were gathered in the name of research, and while each one obviously boasted its own unique shape and size, one single characteristic remained uniform across the board: the entrance into the ear canal is not a perfect circle, it's an oval.”
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Will lets take your first three movies...
The Aviator and Ocean's movies were HD-DVD releases...so it is not suprising that they are under 30GB as that is the limit for HD-DVD and I don't think it would be reasonable to assume that the studio is going to be for a different encode to take advantage of the additonal space.
For the Harry Potter films are those bitrates peak or average. My bet is that it is average and it isn't suprising. I know I have watched movies on my PS3 (which has a realtime bitrate meter) and I know I have seen peaks in the 40 mbps range, the averages though are below 20 mbps and that is fine. Having the space and the transfer rate to handle complex fast motion scenes in what the advantage of a 50GB disk is.