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Jan Ozer

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I help companies train new technical hires in streaming media-related positions; I also help companies optimize their codec selections and encoding stacks and evaluate new encoders and codecs. I am a contributing editor to Streaming Media Magazine, writing about codecs and encoding tools. I have written multiple authoritative books on video encoding, including Video Encoding by the Numbers: Eliminate the Guesswork from your Streaming Video (https://amzn.to/3kV6R1j) and Learn to Produce Video with FFmpeg: In Thirty Minutes or Less (https://amzn.to/3ZJih7e). I have multiple courses relating to streaming media production, all available at https://bit.ly/slc_courses. I currently work as www.netint.com as a Senior Director in Marketing.

Compute Your Own Bjontegaard Functions (BD-Rate)

Figure 1. BD-rate savings from AV1 as published by Facebook. When Facebook compared the AV1 codec to VP9 and two flavors of H264, their researcher precisely stated, “In terms of PSNR, the average BD-rate savings of AV1 relative to x264 main, x264 high and libvpx-vp9 were 51.0%, 47.0% and 29.9%, respectively.” This means that AV1 delivered the same quality as …

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Much Ado About Not Much (HEVC Support in Android)

Much has been made about Google’s support for HEVC in Android, including I hate to say, by me. A recent look at the Android spec while preparing for a Streaming Media Workshop, however, seems to indicate that this support is practically irrelevant. Here’s why. If you click over to the Android Supported Media Formats page, you’ll see details regarding the supported codecs. …

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Download Handout from Encoding Live and VOD for HEVC in HLS

This was a pre-conference workshop; here’s the description, download the handout below. Note that there are two sets of handouts, one from Jan, the other from RealEyes. W3. Encoding Live & VOD For HEVC/HLS Monday, May 7: 1:30 p.m. – 4:30 p.m. Apple’s support for HEVC in HLS is a groundbreaking event that opens up hundreds of millions of HEVC-capable players. …

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Download Handout – Comparing Per-Title Encoding Options

Another of my sessions at Streaming Media. Here’s the description, download PDF below. T203. HOW-TO: Comparing Per-Title Encoding Options Wednesday, May 9: 1:45 p.m. – 2:45 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 Jan Ozer …

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Download Handout – Comparison of H.264, HEVC, VP9 and AV1

One of my sessions at Streaming Media East. Here’s the description; download the handout below. T102. HOW-TO: Comparing AV1, VP9, HEVC, & H.264 Tuesday, May 8: 11:45 a.m. – 12:30 p.m. Many content distributors and aggregators still use H.264 as their primary, if not exclusive, codec, but the bandwidth savings promised by newer, more powerful codecs are alluring. Those considering …

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Download Handout – Multi-Distribution of Live Video

One of my three sessions at Streaming Media East. Here’s the description; link to handout below. Note: one issue that came up during the discussion was the ability for systems to handle multiple language and captions. After the presentation, I heard from a representative from Go Easy Live who stated, “As additional informational, I confirm that we are able to …

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Encoding 2018: Codecs & Packaging For PCs, Mobile, & OTT/STB/Smart TVs – Handout

My first presentation at Streaming Media East. A complete lesson-based rewrite from previous workshops. Here’s the description, the download link is below. As video resolutions increase and target playback platforms multiply, video producers must leave their H.264/HLS/HDS comfort zone and expand into HEVC, VP9, and MPEG-DASH. This workshop is divided into multiple segments by target platform to teach you the …

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Details Regarding Per-Title Bakeoff at Streaming Media East

I know time is short, but I’ve gotten in touch with most vendors that offer this feature and am posting this (and using social media) so the word is out. Anyone who wants to participate, there’s still time. Here’s the description of the session: T203. HOW-TO: Comparing Per-Title Encoding Options Wednesday, May 9: 1:45 p.m. – 2:45 p.m. Per-title encoding …

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Tutorial on HEVC in HLS and the New Beamr Transcoder

While at NAB, I produced a short video with Beamr CTO Dror Gil and Dirk Griffioen from Unified Streaming, which sells a variety of streaming-related software, including modules for ABR packaging. The primary topic was encoding and packaging with HEVC in HLS. Dror also gave a brief demo of Beamr’s new Transcoder product. During the talk, we covered sub-topics like the suggested encoding …

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All Videos from NAB

While at NAB, I freelanced with my iPhone X, a video light, and a handheld microphone and interviewed 14 encoding professionals. These videos are posted on Streaming Media website along with text transcripts. Here are links to and brief descriptions of the interviews: Netflix’s Anne Aaron, on Netflix’s plans for the AV1 codec. AOMedia executive (and Microsoft employee) Gabe Frost, on …

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