Codecs

alt

April, 2022

  • 27 April

    New Codec 2022 Lessons Added to Streaming Media 101 Course

    Just a quick note that I’ve updated the course, Streaming Media 101: Technical Onboarding for Streaming Media Professionals, with new codec lessons for H.264, VP9, HEVC, AV1, VVC, LCEVC, and EVC. Each lesson, which vary in length from 12 to 20 minutes, covers the topics shown in the agenda below. …

  • 9 April

    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 …

  • 1 April

    Constrained VBR Levels of the Rich and Famous

    I’ve been wondering if publishers still care about constraining their maximum bitrates (see here for more background), so I grabbed my copy of youtube-dl and performed a little study. The TL/DR version seems to be that new media sites like YouTube, Facebook, and Vimeo don’t strictly adhere to the typical …

March, 2022

  • 2 March

    Bitmovin Video Developer Report Reports on Codec Usage

    Bitmovin Video Developer Report

    Every year around this time, like an early Christmas present, Bitmovin releases its Annual Video Developer’s Report, a must-read for all streaming media professionals. Now in its fifth year, the report contains valuable insights regarding codec usage, production workflows, and the issues that are keeping streaming professionals up at night, …

  • 1 March

    VVC Performance, Royalty, and Implementation Status

    Figure 5. VMAF BD-Rate table for multiple codec implementations.

    VVC reached First Draft International Specification in July 2020. We’re about 18 months past that date and it’s useful to check in on VVC progress to date, including licensing, performance, chipset development, and trials. VVC Patent Owners Video quality is nice, but money makes the world go-’round, so let’s start …

February, 2022

January, 2022

  • 13 January

    Webinar: Comparing EVC, LCEVC, and VVC with H.264, HEVC, and AV1

    You can watch an archived version of the webinar by clicking the blue button and registering. You can download the handout here. Webinar: Comparing EVC, LCEVC, and VVC with H.264, HEVC, and AV1 Tue, March 1, 2022 12:00 PM – 1:15 PM EST Announcing a free webinar to discuss findings …

December, 2021

  • 29 December

    Video Codec Quality Benchmark 2022

    Figure 1. This analysis shows that the Slow preset is optimal for the Baseline EVC codec.

    OK, I’ll say it. As far as I know, this is the first time any study has compared the quality and performance of codecs representing Essential Video Coding (EVC), Versatile Video Coding (VVC), and Low Complexity Enhancement Video Coding (LCEVC), as well as AV1, HEVC, and H.264. It’s not as …

November, 2021

  • 30 November

    It’s The Year of AV1. 2023, That Is.

    A recent Netflix post trumpets AV1’s suitability for mass-market distribution, but high encoding costs, the lack of HDR support, and nascent support in the living room make AV1 a non-starter for most producers. Most of these issues should be resolved by mid-2023, when mainstream usage should really start to blossom. …

  • 26 November

    Talking Codecs on the Video Insiders Podcast

    I’m a big fan of the Video Insiders podcast and have learned a lot from many of the episodes. I’m proud to have joined Dror Gill and Mark Donnigan for episode 70, which you can listen to or download here. Here’s the description: EPISODE SUMMARY The Video Insiders podcast is …