Recent Posts

Video Codec Update 2022

My State of Video Codecs 2022 article is up on Streaming Media Magazine. The article identifies the most significant announcements from the last year relating to H.264, VP9, HEVC, AV1, Versatile Video Coding (VVC), Low Complexity Enhancement Video Coding (LCEVC), and Essential Video Coding (EVC). If you’re looking for a good way to catch up with these codecs, you’ll find …

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Encoding for Transcoding vs Encoding for Distribution

A consulting client sent the following command string for a 1080p file they were encoding for upload to Vimeo, their online video platform. crf=20:vbv-maxrate=10000:vbv-bufsize=9500 What’s wrong with these parameters? First, some theory. One distinction to understand when encoding files is the difference between producing a mezzanine file to use for subsequent transcoding and encoding for distribution. When producing a mezzanine …

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Estimating the Bitrate for 8K Videos When Encoding with HEVC and AV1

It’s a well-known and oft-repeated truism that codecs operate more efficiently at higher resolutions. The question is, is the truism really true? It turns out that it is, and we prove it below. To lend numbers to our truism and focus the issue, the basic question is this. 8K video has 16 times the pixels of 1080p videos. So, if …

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