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.

AV1 Encoding and 4K

A couple of additional data points on AV1 encoding as follow-ups to my Streaming Media article here. First, a colleague asked about 4K encoding times on Twitter. Second, a reader recommended using the row-mt switch for VP9. So, I encoded a ten-second 4K test file on the same single-CPU ZBook as the Streaming Media article.…

Unified Poops in Velos’ Punchbowl

Sorry for the visual but couldn’t resist. Just got the following email from Unified Patents. All the normal caveats apply; I haven’t reviewed the filings (and won’t) and Unified may not succeed though they’ve had some recent successes. Why the hate on Velos? In contrast to the transparency with which MPEG LA and HEVC Advanced…

Installing and Using Netflix VMAF-Master

I frequently use the VMAF quality metric to analyze encoding parameters and compare codecs. In my experience, VMAF scores tend to match my own subjective quality observations and the fact that Netflix uses it gives the metric great credibility. Originally, there was only one VMAF version, but Netflix has added both a 4K model and…

Recommendation from AMC Networks

I recently finished a streaming consulting project with AMC Networks and was pleased to receive the following LinkedIn recommendation from their VP of Video Products. It was great working with Greg and his team with the gorgeous content from AMC. Beyond this work with AMC, I’ve helped media companies and video publishers fine-tune their encoding…

MPEG LA Forces Huawei to Pay (for H.264 that is)

In this January 2019 article in Streaming Media Magazine, I reported that two patent holders in the MPEG-LA patent portfolio group had sued Huawei and ZTE in Germany for patent infringement and had won. As stated therein, “the judgment was particularly onerous; not only did the court order the two companies to stop selling the offending…

New Five Star Review of FFmpeg Book

One frustration of writing books for developers is that they’re not the most prolific group when it comes to writing book reviews (or, well, at least not for my books). So it’s always cause for celebration when a review posts, especially when the review accurately captures the value I was hoping to deliver with the book. So…