June, 2021

  • 25 June

    Real-World Bandwidth Savings from VP9, HEVC, and AV1

    This article is about a video lesson that computes the bandwidths savings afforded by the FFmpeg-based implementations of VP9 (libvpx-VP9), H.264 (x264), HEVC (x265), and AV1 (libaom-AV1). The lesson uses the Netflix convex hull analysis to build unique encoding ladders for each test clip and codec and shows why BD-Rate …

May, 2021

  • 12 May

    SVT Releases Open-Source Encoder: Simplifies Large Scale Encoder Development

    If you’re building a large-scale in-house VOD encoder, your job just got easier as SVT open-sources Encore, their VOD encoder.  One of the most fundamental decisions all streaming publishers must make is whether to purchase a commercial encoder, use a commercial cloud encoder, or build their own, the classic make …

January, 2021

November, 2020

  • 23 November

    Streaming Media Bootcamps at Streaming Media University

    I’m teaching two boot camps (virtually) at an upcoming Streaming Media University event, one for VOD and the other for live streaming; each costs $199. The courses are designed for newbies who need to get up to speed quickly on these topics. If the courses sound familiar, I did teach …

September, 2020

August, 2020

July, 2020

  • 28 July

    Zeranoe Resolves AV1 Issue; Now Faster Than aomenc.

    Previous tests presented here showed that a Windows version of FFmpeg compiled by Zeranoe was about four times slower than a version compiled by a colleague who works in an OTT organization. Since then, Miguel Perez contacted the FFmpeg organization and Zeranoe, who researched the issue, recompiled, and created a …

  • 23 July

    AV1 Now Only 2X Slower Than x265

    AV1 encoding on Windows is now only 2x slower than x265. With a properly compiled version of FFmpeg, encoding performance is slightly faster than the Alliance for Open Media’s encoder, though output quality is very slightly lower. Congrats to AOM for delivering on their promise to get encoding times down. …