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 vs. buy. One of the most startling findings from the …
Read More »Beginners’ Guide to Adaptive Bitrate Streaming
Lesson of the Week: What’s the Optimal Data Rate for Mezzanine Files?
Beginner’s Guide to Codecs
This post provides an introduction to video codecs. It’s an entry-level article designed to help streaming newbies understand what codecs are, what they do, how to compare them, and why they succeed or fail. Video codecs are compression technologies that reduce the bitrate of digital video to manageable sizes. Video codecs are not only central to streaming, but they’re also …
Read More »Analyzing Video Quality
AV1 Encoding with aomenc.exe, libaom-AV1, SVT-AV1, and Aurora1
While 2018 was the year AV1 became known, 2020 will be the year that AV1 became interesting, primarily because of three developments. First, in early 2020, AV1-enabled smart TVs hit the market, right on the 2-year schedule announced back in 2018 by the Alliance for Open Media (AOMedia). Second, over the past two years, encoding times for the AOMedia AV1 …
Read More »Encoding VVC with Fraunhofer’s VVenC
For this review, I took a first look at encoding VVC (Versatile Video Coding). Specifically, I compared Fraunhofer HHI’s implementation of the VVC codec (Versatile Video Encoder; VVenC) against the Alliance for Open Media’s (AOMedia) aomenc codec and the x.264 and x.265 codecs in FFmpeg. I found VVenC to be simple to use and much faster than expected. Its output …
Read More »Encoding H.264-Advanced Topics
Recently I received a shortlist of compression-related questions from a consulting buddy; he’s always been gracious in answering my questions and I wanted to return the favor. Since he’s asking, I thought others might be curious as well; hence this blog post that largely incorporates my responses to his questions, all relating to encoding H.264 files. Here are the questions: …
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