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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.

SLC Releases Free Course: Introduction to Streaming Media

Announcing a free course entitled Introduction to Streaming Media. As the name suggests, the course introduces students to fundamental concepts of streaming media. The course includes just under 100 minutes of instruction in 16 lessons with twelve quizzes to test retention. Students who complete all lessons and earn a 100 on all quizzes will earn a certificate. The basic concept …

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How to Compare Per-Title Encoding Systems

I just completed the first of two reports on cloud-based per-title encoding features, culminating 8 months of work. The first report details H.264 output, and the next, scheduled for release by July 18, details HEVC output. This article will detail the procedures used during this analysis which will be helpful to any company seeking to perform their own analysis to …

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Don’t Sacrifice Usability On the Altar of Design

I took two pictures of clocks in my kitchen this morning, on the left is the microwave, on the right, the coffee maker. Which time is correct and what’s the key clue? If you guessed microwave because it’s about the time I actually start working in the morning, you’d be half right. The answer? The microwave’s clock is correct, and …

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SVT-AV1 and Libaom Tune for PSNR by Default

As of June 22, 2022, libaom-AV1 and SVT-AV1 tune for PSNR by default, and libaom-AV1 doesn’t appear to have a mode that optimizes actual video quality. Be sure to verify and consider this when comparing the codecs to others. Most of the time with codec experimentation, a lapse in attention costs you hours, days, or weeks of re-encoding and re-testing, …

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Improve Zoom Video Quality for VOD in Premiere Pro

If you’re converting a Zoom or other conference recording for VOD distribution, here’s how to improve Zoom video quality in Premiere Pro before uploading Many of us use conferencing systems like Zoom and others to produce interviews that we broadcast live and later on VOD. Often you can’t control the quality of the video coming in from the remote participant …

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SVT-AV1 1.0 Shows Great Promise

I’ve been testing SVT-AV1 1.0 for a presentation that I’m giving on open-source AV1 encoding alternatives at Streaming Media East on May 24, 2022. The results have been impressive; two-pass VBR encoding is working well, and the codec offers a great range of presets, with several much faster than real-time. In contrast, FFmpeg’s libaom-AV1 has no presets even close to …

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Finding the Optimal Top Rung Data Rate

Table 2. Top-rung quality of these UGC and premium services.

The top rung of your encoding ladder is the most expensive to deliver, and in many regions, it’s also the most frequently viewed. Encode at too high a bit rate and you’re wasting money; encode too low, and you’re potentially reducing viewer quality of experience. This makes choosing the top rung bitrate a key task for all streaming producers. This …

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Got a Successful Per-Title or New Codec Implementation Story to Share? Here’s Your Chance

I’m exceptionally pleased to return to in-person teaching at Streaming Media East, which will be held on May 24–25, 2022, at the Westin Copley Place in Boston, MA. I’ll be producing two 3-hour workshops on May 23, the Monday before the event, and presenting and/or moderating three sessions during the event. As usual, each one is designed to give you information …

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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. The lessons are designed to bring the students up to …

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Per-Title Encoding 2022

My article, Buyers’ Guide to Per-Title Encoding is up on Streaming Media. Per-title encoding is one of the simplest and least expensive ways to reduce streaming bandwidth, increase viewer QoE, or accomplish both. It’s becoming a standard feature in cloud-encoding services. The article begins with an overview of what per-title encoding is and why it’s important. Then it compares per-title …

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