Jan Ozer
March 31, 2020 Articles, Blogs, Learning
1,201
I spoke with Streaming Media Magazine’s Eric Schumacher-Rasmussen about the new course, Streaming Media 101: Technical Onboarding for Streaming Media Professionals. The video is available on YouTube so I embedded it below. If you’d rather read the transcript, click here to see the article on the Streaming Media website. Eric’s second question was “what’s the elevator pitch?” Here’s the …
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Jan Ozer
March 25, 2020 Learning, News
2,226
I’m launching a new video course called Streaming Media 101: Technical Onboarding for Streaming Media Professionals. As the name suggests, the course teaches the technical background and skills necessary to successfully perform in a streaming-media related job, whether it’s producing and distributing video, or in a company creating the tools or services necessary to produce and distribute streaming media. Streaming …
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Jan Ozer
March 17, 2020 Blogs, Learning
1,797
For obvious reasons, a lot more of us will be presenting online over the next few months than ever before. This short video provides some simple techniques you can use to look your best. These images are from a book I published back in 2015 entitled Mastering Webcam and Smartphone Video: How to Look and Sound Great in Webinars and …
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Jan Ozer
March 9, 2020 FFmpeg, Learning, Metrics
1,464
This lesson teaches you how to compute VMAF with FFmpeg. It includes a download link to a specially compiled version of FFmpeg that can compute VMAF and to a zipped file that contains the batch files and input/output files shown in the lesson. I’m adding it as a lesson to my course Computing and Using Video Quality Metrics. If you’re …
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Jan Ozer
February 19, 2020 Blogs, Encoding, Learning
3,623
The Common Media Application Format (CMAF) is supposed to be the Holy Grail of streaming; one set of files that you can deliver to multiple output points. How well does it work today? This 3:47 video shows you. I started by creating CMAF output in AWS Elemental MediaConvert. Why? Because they supply useful templates, have an easy to use UI, …
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Jan Ozer
February 7, 2020 FFmpeg
3,638
Jan Ozer
February 3, 2020 Encoding, Learning
7,860
In a blog full of wonky compression articles, this could be the wonkiest article of all. If you’re not using capped CRF encoding, or considering the same, it’s almost certainly not of interest. If you are using capped CRF encoding (for constant rate factor), however, you almost certainly will find it interesting and perhaps even illuminating. A quick background note. …
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Jan Ozer
January 23, 2020 Blogs, Encoding, FFmpeg, Learning
1,378
It’s always good to review which articles readers found valuable over the past year to help focus on producing similar content in the future. By publishing the top ten, hopefully, those reading this article will see some articles they might find useful. So, without further ado, here were the top ten articles from the Streaming Learning Center blog in 2019. …
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Jan Ozer
January 21, 2020 Blogs, FFmpeg, Learning
3,799
Author’s note: This is a very simple automation technique for FFmpeg beginners. I’m sure there are much more efficient ways to script this project, but this represents my baby steps in FFmpeg automation. I recently started a consulting project that involved encoding multiple files to multiple CRF values to create rate-distortion curves and BD-Rate computations. I’m testing three codecs with …
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Jan Ozer
January 17, 2020 Blogs, Codecs, News
1,379
Nine members of the MPEG LA HEVC patent pool are leaving the pool and now will be included within the HEVC Advance HEVC pool. This changes the balance of power between these two pools, though licensees who signed with the MPEG LA pool before the departures will continue to have coverage for these patents going forward. The MPEG LA pool, which has more …
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