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Re:Modern codecs like AV1 can bring better quality video to ... by paavoova on Sunday July 15, 2018 @07:28PM (#17537699)
Why not keep the bitrate higher? Or are you re-encoding already over-compressed video? In which case re-encoding and adding noise only reduces the amount of detail and bloats the encoded size with, well, noise.
Re:Modern codecs like AV1 can bring better quality video to ... by tambourine_man on Sunday July 15, 2018 @08:23PM (#17537880)
>Why not keep the bitrate higher?

Sure, that would be the optimal situation.

However, for a variaty of reasons you sometimes have to deal with overly compressed images. Adding noise on the client during play back disguises compression, making it nicer to the eye at no bandwidth cost.