I have movie with audio in AAC 361kbps. I want to rip this audio and add to container with movie. In movie other sound tracks are in AC3, minimum 640. I heard that AC3 requires 2-2.5 times higher bit rate to get the same (yeah, very similar) quality as in AAC. Is there sense to make AC3 640 from this AAC?
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IF the AAC track has 6 channels ("5.1") then 360 kbps is an adequate bitrate for that.
Is there sense to make AC3 640 from this AAC?"Like this facility, I don't exist."