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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 …

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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. …

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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 …

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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. …

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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. …

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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 …

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Learn to Encode with FFmpeg 5.0

My tutorial How to Encode with FFmpeg 5.0 is up on Streaming Media.com. By way of background, on January 17, 2022, FFmpeg released FFmpeg 5.0, called Lorentz. To celebrate and to help introduce new users to the power and ease of FFmpeg, I created this entry-level tutorial for single and …

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Video Codec Update 2022

My State of Video Codecs 2022 article is up on Streaming Media Magazine. The article identifies the most significant announcements from the last year relating to H.264, VP9, HEVC, AV1, Versatile Video Coding (VVC), Low Complexity Enhancement Video Coding (LCEVC), and Essential Video Coding (EVC). If you’re looking for a …

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