October, 2021

  • 16 October

    Choosing the Resolution for Lower Rungs on Your Encoding Ladder

    Your encoding ladder should include lower resolution rungs even if higher resolution rungs deliver better quality. This blog explains why.  I recently asked for feedback on the need to include lower resolution rungs in an encoding ladder even when higher resolution rungs delivered better quality. You can read the original …

  • 13 October

    Seeking Input: Which Low-Res Rungs are Essential to an Encoding Ladder

    I could use some input from practitioners out there about which lower resolution rungs are essential to an encoding ladder. By way of background, I’m preparing a per-title encoding comparison. To derive the “ideal” ladder for x264 and x265, I’m using the Netflix Convex Hull analysis that encodes the same file at …

  • 13 October

    Crunch Video Optimization Now Available on Oracle Cloud Marketplace

    I’ve been a fan of video optimization technologies for a while now, and consider optimization simpler, cheaper, and potentially just as effective as adding a new codec like HEVC or VP9. I’m pleased to see that the Crunch Mediaworks Video Enhancement Solutions App is now available on the Oracle Cloud …

  • 1 October

    Cloud Encoding Pricing Comparison Reveals Dramatic Cost Differences – Are You Overpaying?

    This whitepaper, sponsored by Dolby/Hybrik, tracks cloud encoding pricing for H.264 and HEVC output and reveals dramatic price differences among popular services. I’ve just completed a whitepaper sponsored by Dolby/Hybrik to compare pricing for multiples of one hour of H.264 and HEVC encoding using the recommended encoding ladders in the …

September, 2021

  • 26 September

    Which Codec Does YouTube Use, Part III

    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 …

  • 21 September

    Formulate the Optimal Encoding Ladder with VMAF

    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 …

August, 2021

  • 26 August

    Which Codecs Does YouTube Use?

    This article reviews which codecs YouTube uses for the unrelenting torrent of videos that it ingests and encodes. The data suggest that AV1 is only worthwhile for videos with view counts in the mid-to-high millions, but VP9 is worth considering for view counts in excess of a few thousand.  As …

  • 1 August

    Beginner’s Guide to Encoding H.264

    Encoding H.264 with Wirecast

    The H.264 codec is still the most widely used video compression technology — aka codec in the world and likely will be for the next few years. For this reason, every streaming media professional should know what the H.264 codec is and how to encode with H.264. This beginner’s guide …

July, 2021

  • 29 July

    Panel Discussion on Advanced Video Compression and Applications

    I’m appearing on a panel next week at the SPIE Optics and Photonics Conference entitled Advanced Video Compression and Applications with a host of encoding luminaries. The panel will be streamed on August 3, 2021, at 3:30 PM PDT, but only registered guests can watch the Zoom feed (you can register …

  • 27 July

    How to Choose Your Bitrate Control Technique

    Every time you encode a video file with a distribution-oriented codec like H.264, HEVC, VP9, or AV1, you choose a bitrate control technique that controls bitrate, overall quality, transient quality, and encoding cost. Examples of common rate control modes include CBR, VBR, CRF, and Capped CRF. This article discusses how …