Creating a Unique Encoding Ladder for Smartphone Viewers

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Many producers distribute the same encoding ladder to all viewers. However, sending a 1080p stream to smartphone viewers may be a waste of bandwidth as both SSIMPLUS and VMAF scores reveal that lower resolution, lower-bandwidth videos deliver similar quality at a lower cost.

This tutorial, from my course Computing and Using Video Quality Metrics (bit.ly/vqm_course), shows you the tests I performed to reach this conclusion with concrete recommendations on how to proceed.

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