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Tag Archives: per-title encoding


Per-Title Encoding Article up on Streaming Media Magazine

We have been huge proponents of per-title encoding since its inception in 2015. Boy, has it come a long way. In this Streaming Media article, I recount the history of per-title encoding and trace its advancement from single file optimizations that could adjust only file data rate to AI-driven adjustments that can change resolution, data rate, frame rate, codec, color …

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Choosing the Optimal CRF Value for Capped CRF Encoding

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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Saving on H.264 Encoding and Streaming: Deploy Capped CRF

This is the second in a five-part series on how to cut your encoding and streaming costs. The first article was Saving on Encoding: Adjust Encoding Configuration to Increase Capacity. Article summary: Capped CRF encoding is a single-pass encoding method that can save encoding costs compared to two-pass VBR. Capped CRF is also a simple per-title encoding method that can reduce …

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Finding the Just Noticeable Difference with Netflix VMAF

VMAF stands for Video Multimethod Assessment Fusion, but all you really need to know is that it’s the video quality metric co-invented by Netflix to replace the Peak Signal to Noise Ratio (PSNR) that used to fuel the company’s per-title encoding function. In the image above, which is courtesy of Netflix, you see how VMAF scores on the left more closely match …

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