Re:The Blu-Ray Reauthoring Project
by mrec on Friday October 26, 2018 @11:09AM
(#18309910)
Blu-Ray rips from Handbrake etc aren't the raw on-disc encoding, and aren't actually that big. ~2-3GB is typical with decent quality. Often the filesize is surprisingly close to that from a DVD, presumably because the DVD one is encoding a bunch of unwanted compression artifacts.
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Because a DVD is using mpeg2 and Handbreak uses x.264
No, I'm comparing re-encoded rips to mp4 from both DVD and BD, both via Handbrake, both using H.264.
Okay; But in that case i'm not really sure how you rip your DVDs. H.264 for DVD and that low resolution doesn't need 2-3 Gig at all.
Sure audio is always an issue, can't do much there.
I'm not saying the BD rips aren't bigger, just that they're nowhere near as much bigger as the resolution and quality improvements might suggest. So BD averages maybe 2.5 GB, and DVD averages maybe 1.5 GB, while a BD frame has nearly 7 times as many pixels.
I do set CQ a couple of stops higher for DVD, as per Handbrake recommendations, just because DVD has to get enlarged so much when watching fullscreen.
You can see the difference between Blu-ray and streaming.
Streaming has similar bitrates than what you get when you reduce a BD down to 2-3 Gig.
It still looks good for sure but if I would buy the disk I would not reduce it as strong as 2-3. Perhaps 10gb.
2.5 GB will give you terrible picture quality for a Bluray. Even streaming from Amazon or Netflix will be 5-6 GB for a two hour movie, and those are usually just passable.
Eh, I'm old, I can remember watching VHS and doing graphics at 320x256, my eyesight's not what it was, and I'm playing these things on a 7-year old laptop. That "terrible picture quality" does me fine.