This article analyzes the codecs used by YouTube for 4K videos with millions of views, and the savings that AV1 and VP9 deliver over YouTube’s full encoding ladder.  This is the third in a series of articles written about which codecs YouTube uses. The first covers which codecs YouTube uses for high-volume 1080p videos. The second covers the codecs used …

This post describes how to formulate the optimal encoding ladder with VMAF. This analysis is excerpted from a lesson in the online course Streaming Media 101: Technical Onboarding for Streaming Media Professionals.  I received the following question from a reader; it’s got such general applicability that I thought I would share my response.  Question:  We’re currently reviewing our ABR ladder …

I’m pleased to report another five-star review for the streaming production course Streaming Media 101: Technical Onboarding for Streaming Media Professionals. So far, the course has been taken hundreds of times with eleven reviews, all five stars. Here’s what the latest review, from Lasse Bronsholt, had to say. The Streaming Media 101 course was a very good experience for me …