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Bit Depth & Transcoding
I’ve set up a test for a client that involves testing individual clips, comparing 8bit vs 10bit quality. I’m using Premiere CC to set up a timeline with a single clip and encoding out of Premiere using: H.264 and customizing the Bitrate settings to Target=8 Max=8 for the 8bit version of the clip. Then repeating with 10bit in the settings, getting two MP4s, one with 8bit & and one with 10bit quality.
As a secondary test, I’m also exporting out of Premiere a 4K UHD Mezzanine of the clip, using ProRes422, and putting it through an Elemental transcoder to 1920×1080. I’ve checked all the settings and I’m almost positive it’s all the same. The Elemental transcoded MP4 looks way better than the MP4s out of Premiere: less banding which is what the test is supposed to show.
Can someone explain this?
Thanks,
EricEric Klassen