How to Shrink BD50 to BD25?
There is no softwares that can complete Bluray movie BD50 disc to identically and same as source disc to BD25 discs now. As the sound files in Bluray movies (Dolby True HD, Dolby digital, DTS HD, DTS, etc.) couldn’t be compressed because of their authorized structure. It is unbelievable that some softwares said they fit with same as original(same resolution, same format, same scale) after compressing. In fact, those tools made it work by re-encoding and demuxing the Blu-ray HD audio into AC3, etc. for shrink BD50 to BD25.
I got some experiences that when ripping from a BD50 to a BD25, a typical movie will fit onto a BD25 without actually re-encoding the video at all. I’d say the max video size I typically see is 20GB. If you’re limiting yourself to one audio track (I stick with AC3 640kbps, and on a rare occasion will use DTS 1.5mbps), you should almost always have enough space on a BD25 to completely avoid having to spend hours re-encoding.
For lots of people, the lossless audio isn’t worth the space. AC3 at 640kbps sounds pretty damn good. Some people argue that DTS at 1.5mbps is better. I can’t tell much difference besides volume levels and the sound is more “sharp” with DTS. So, even if it’s better, it’s not 2.3 times better! On that same note, DTS-MA and Dolby TrueHD DEFINITELY aren’t worth the space waste on my BD-25s. If you stick with DTS or AC3, you’re not going to have many issues with movie only without re-encoding video to a BD-25.
If you want to compress BD50 to BD25, it is highly recommended to keep only movie with 1 language and 1 subtitle and get the best quality for that.
There maybe a lot of ways available in the market, i just want to introduce one of them. Here i will introduce a paid way – compress BD50 to BD25 with Blu-ray Copy.
How to Shrink BD50 to BD25 easily?
Blu-ray Copy can compress a Blu-ray disc in 50GB size onto smaller discs BD 25 without noticeable quality loss. What you need:
There is no complicated operations for shrink Blu-ray 50GB to Blu-ray 25GB. You can need to load the Blu-ray disc you want to deal with and choose the “Full Disc” or main movie option.
Note: It is recommended to check the “Remove HD Audio” option. And in the main movie mode, you are allowed to choose the audio track and subtitle track for output.
First, Full Disc modecompress BD 50 to BD 25(Check “Remove HD Audio” for compression);
Second, Main Movie mode, compress BD 50 to BD 25(Choose Main Movie and one audio track/subtitle for output).
Tell us what do you think.
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