September, 2019

  • 18 September

    SLC Launches New Course on Video Quality Metrics

    Announcing a new online course entitled, Computing and Using Video Quality Metrics: A Course for Encoding Professionals. The course contains over four hours of video instruction and costs $99.95. The course teaches you how to choose, compute, and interpret video quality metrics like VMAF, SSIMPLUS, PSNR, and SSIM. Here are some …

June, 2019

  • 24 June

    MSU VQMT Gets Auto-Scaling But Watch the Scaling Algorithm

    One of the first operations I learned in FFmpeg was how to scale subsampled video files back to the source resolution to compute PSNR in the Moscow State University (MSU) Video Quality Measurement Tool (VQMT). Thankfully, for those not familiar with FFmpeg, as of VQMT version 11.1, this operation is …

  • 12 June

    FFmpeg Threads Command: How it Affects Quality and Performance

    This article details how the FFmpeg threads command impacts performance, overall quality, and transient quality for live and VOD encoding. The level of testing and analysis detailed here is consistent with the instruction in my book, Learn to Produce Videos with FFmpeg In 30 Minutes or Less ($34.95), and my …

May, 2019

  • 30 May

    Baby Steps in Producing an HLS Master Manifest With FFmpeg

    This article has been superseded by this article entitled, An FFmpeg Script to Render and Package a Complete HLS Presentation. So there I was, teaching a class at Streaming Media East entitled How To Build A Free Encoder/Packager With Watch Folder Operation Using Open Source Tools (handout and video available …

  • 27 May

    The Evolving Encoding Ladder: What You Need to Know

    This article discusses the evolution of the encoding ladder from the fixed ladder presented by Apple in Tech Note TN2224 to context-aware-encoding, which creates a ladder that not only considers the encoding complexity of the content, but also the producer’s QoE and QoS metrics. The encoding ladder embodies the most …

  • 27 May

    Buyers’ Guide to Per-Title Encoding

    After three years or so in gestation, per-title encoding is becoming a required feature on most encoding platforms, whether in-house software or SaaS cloud providers. In this buyers’ guide, we’ll review a list of features to look for in per-title encoding offerings and present a testing structure to evaluate the …

  • 15 May

    How and Where to Deploy Dynamic Packaging

    Dynamic Packaging is a technique that can save encoding and storage costs for video producers that distribute two or more ABR formats, like DASH, HLS, Smooth Streaming, or even RTMP. In this interview, Softvelum CEO Yury Udovichenko discusses how his flagship product, Nimble Streamer, can deploy Dynamic Packaging for VOD, …

  • 8 May

    W4- Key Encoding Skills_Technologies_and_Techniques

    Here’s the link to download:  W4-key encoding skills Here’s the description. W4. Key Encoding Skills, Technologies, & Techniques Monday, May 6: 1:30 p.m. – 4:30 p.m. This session helps encoding professionals get up-to-speed on crucial encoding-related issues, technologies, and techniques. Topics include: Best high-level strategies for delivering to computers, mobile, smart …

  • 8 May

    Build Encoder Packager With Open-Source Tools

    Here’s the download: T20_Build_Free_Encoder_FFmpeg_Bento_short. The video is below. T202. How To Build A Free Encoder/Packager With Watch Folder Operation Using Open Source Tools Wednesday, May 8: 11:45 a.m. – 12:30 p.m. Open source tools like FFmpeg and Bento4 are used to build massive encoding farms for high-profile premium content services, but …

  • 7 May

    A Survey Of Per-Title Encoding Technologies – Download Handout

    Here’s the description; download handout here. T103. A Survey Of Per-Title Encoding Technologies Tuesday, May 7: 1:45 p.m. – 2:30 p.m. Per-title encoding techniques customize the encoding ladder to match the encoding complexity of the source, saving bandwidth on easy-to-compress videos and ensuring the quality of more complex footage. Codec specialist …