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Wondering about the flag myself

>Those bit rate numbers are appalling! 2-4Mbps average bitrate?

While those may sound low, what I'm thinking is Netflix didn't see any benefit in perceptual quality (or VMAF scores) but sending more bits down the pipe and increasing their bandwidth bill.

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That is the problem. The think VMAF as the gospel, and AV1 is extremely well tuned for it.

VMAF is better than SSIM PSNR but it is still far from perfect. And it is a reason why most torrent are still using HEVC and AVC.

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