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.

Sisvel Announces Patent Pools for VP9 and AV1

Luxembourg-based Sisvel International SA announced patent pools for VP9 and AV1 yesterday targeted at consumer display devices (smartphones, TVs, etc) and consumer non-display devices (set-top boxes and OTT devices). Here’s what we know from this article on Streaming Media) and this Q&A. The standard rate for VP9 is € 0.24 for display devices and €…

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…