So you may have to encode each file both ways to identify the best option. But how you get there is confusing with some files, multiple-pass encoding, supposedly the highest quality option, was clearly inferior to single-pass encoding. Compressor 4.1 produces very good quality, much better than previous versions of Compressor. And you still can’t directly choose constant or variable bitrate encoding, which is a critical configuration option. On the other hand, the low-level plumbing hasn’t been completely refurbished it’s still a 32-bit program that uses three different interfaces for producing H.264 files for Internet delivery. Apple also enabled crucial H.264 options like the High profile and entropy encoding selection. Compressor 4.1 has enjoyed a major facelift, which makes the program much easier to use and much more accessible to users. Others weren’t so lucky at the time of this writing, Compressor 4.1 had 14 five-star ratings on the App store, and 18 1-star.
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