Video: A Survey Of Per-Title Encoding Technologies

Optimising encoding by per-title encoding is very common nowadays, though per-scene is slowly pushing it aside. But with so many companies offering per-title encoding, how do we determine which way to turn?

Jan Ozer experimented with them, so we didn’t have to. Jan starts by explaining the principles of per-title encoding and giving an overview of the market. He then explains some of the ways in which it works including the importance of changing resolution as much as changing

As well as discussing the results, with Bitmovin being the winner, Jan explains ‘Capped CRF’ – how it works, how it differs from CBR & VBR and why it’s good.

Finally, we are left with some questions to ask when searching for our own per-title technology to solve the problem we have such as “can it adjust rung resolutions?”, “Can you apply traditional data rate controls?” amongst others.

Watch now!


Jan Ozer Jan Ozer
Streaming Learning Center

Video: Per-title Encoding at Scale

MUX is a very pro-active company pushing forward streaming technology. At NAB 2019 they have announced Audience Adaptive Encoding which is offers encodes tailored to both your content but also the typical bitrate of your viewing demographic. Underpinning this technology is machine learning and their Per-title encoding technology which was released last year.

This talk with Nick Chadwick looks at what per-title encoding is, how you can work out which resolutions and bitrates to encode at and how to deliver this as a useful product.

Nick takes some time to explain MUX’s ‘convex hulls’ which give a shape to the content’s performance at different bitrates and helps visualise the optimum encoding parameters the content. Moreover we see that using this technique, we see some surprising circumstances when it makes sense to start at high resolutions, even for low bitrates.

Looking then at how to actually work out on a title-by-title basis, Nick explains the pros and cons of the different approaches going on to explain how MUX used machine learning to generate the model they created to make this work.

Finishing off with an extensive Q&A, this talk is a great overview on how to pick great encoding parameters, manually or otherwise.

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Nick Chadwick Nick Chadwick
Software Engineer,
Mux Inc.

Video: Comparing Per-Title Encoding Options

In this video from Streaming Media East 2018, Jan Ozer looks at per-title encoding. Jan presents detailed results from tests of competing methods to help us understand the dos and don’ts of encoding and VQ and how these methods allow higher resolution profiles in ABR ladders.

  • What is ‘per-title’ encoding and why is it important?
  • What are the different methods? (CRF, SABL, Context Aware, EuclidIQ Rithm)
  • The Tests
  • The Results

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Webinar: Per-Title Encoding: Netflix-style Optimization for Quality and CDN Costs

Webinar: 18th Jan 2018 | 4PM GMT / 11 AM ET / 8AM PT
Apply Netflix’s technique to your videos to save bandwidth.
Since Netflix popularized the concept of flexible encoding ladders, per-title encoding optimization has been gaining recognition for its quality optimization as well as bandwidth-saving advantages. In this webinar, you will learn how encoding video at bitrates appropriate to the content achieves significant bandwidth savings, as well as improves the video quality.

Every piece of content is different, and each requires specific encoding settings to look good. Since Netflix popularized the concept of flexible encoding ladders, per-title encoding optimization has been gaining recognition for its quality and bandwidth-saving advantages.

It sounds simple enough, but there is a good reason it took the streaming giant years to make per-title encoding a viable part of their video delivery workflow. Since each and every encode requires individual analysis as the first step, the process is both very time consuming and expensive (more about the reasons why here). Until now, implementing per-title encoding optimization was only accessible to the largest streaming organizations.

Join Bitmovin Encoding Product Manager, Martin Smole, in conversation with the Sr Director of Product Marketing, Kieran Farr, in a live webinar. You will

  • Learn/review the theories behind per-title encoding optimization
  • Discuss real-life applications,
  • Go through feature setup in the Bitmovin API.

Register Now!