Ozer is a leading expert on H.264, H.265, and VP9 encoding for live and on-demand production. In his consulting practice, Ozer helps streaming publishers produce highly optimized and deliverable streams and to choose encoders, transcoders, and workflows that optimize cost, efficiency and flexibility. Ozer is the owner of the Streaming Learning Center and is a contributing editor to Streaming Media Magazine.

Encoding VP9 in FFmpeg: An Update

This is a long post only of interest to those attempting to optimize their VP9 encodes. The three key takeaways are 1) use the command script shown on the bottom of the page, 2) a speed setting of 2 offers the optimal quality/performance tradeoff, and 3) the row-mt setting improves performance significantly with zero quality…

VMAF is Hackable: What Now?

Just a quick note to let you know about some recent findings relating to the Netflix VMAF metric. By way of background, VMAF launched in June 2016 as the metric that powered Netflix’s per-title encoding engine, replacing PSNR. The fact that Netflix created and used VMAF gave the metric tremendous credibility and because Netflix open-sourced…

New Course – Streaming Media 101: Technical Onboarding for Streaming Media Professionals

I’m launching a new video course called Streaming Media 101: Technical Onboarding for Streaming Media Professionals. As the name suggests, the course teaches the technical background and skills necessary to successfully perform in a streaming-media related job, whether it’s producing and distributing video, or in a company creating the tools or services necessary to produce…