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Encoding/Transcoding

Encoding and transcoding video is at the heart of online video, and Streaming Media offers deep dives into encoding parameters, bitrate ladders, per-title encoding, content/context-aware encoding, CBR, VBR, and ABR. Here you’ll find the latest news, reviews, tests, and analysis to help you stay on the top of your encoding/transcoding game.

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Features

Tutorial: Automated ABR With AWS Elemental MediaConvert

In a recent survey, two-thirds of respondents said they weren't using per-title encoding, possibly because of the general perception that its challenges outweigh its benefits. In this tutorial, I'll demonstrate how simple it is to produce per-title output using AWS Elemental's Automated ABR (adaptive bitrate) function.

Testing EVC, VVC, and LCEVC: How Do the Latest MPEG Codecs Stack Up?

Jan Ozer put EVC, VVC, and LCEVC through the paces, checking each for not only encoding quality, encoding complexity, and playback efficiency but also power consumption. Each one has its pros and cons; read on to find out how they all performed.

Moscow State's Dr. Dmitriy Vatolin Talks Codecs and Quality

The head of the Moscow State University Graphics and Media Lab—the people behind VQMT and Subjectify.us—offers his insights into objective and subjective metrics, as well as VMAF hacking and AV1.

The 2021 Streaming Media Readers' Choice Award Winners

New entrants join old standbys in our annual survey of readers' preferred technical solutions

Spotlights

AWS for Media & Entertainment: View from the Top 2021

Five solution areas are key for media and entertainment companies: content production, media supply chain & archive, broadcast, D2C & streaming, and data science and analytics

TAG Video Systems: View from the Top 2021

Elevating the consumer experience to the highest-level possible requires deep insight into quality, metrics and issues; data that was previously beyond the reach of operators. Thanks to TAG's Realtime Media Platform, however, that data is now accessible.

SSIMWAVE: View from the Top 2021

Viewers have shown that they have huge appetites for content diversity. Success in delivery in the direct-to-consumer environment means being able to consistently meet viewer experience targets so that viewers keep tuning in and your business runs profitably.

Mux: View from the Top 2021

This last year, video became a crucial component of every major business across the world, and even as things return to normal, development teams need to find easy, scalable, and rapidly deployable solutions.

Columns

How YouTube Encodes Videos

Looking for insights into exactly how YouTube encodes billions of videos? Jan Ozer went down the rabbit hole and shares what he discovered about AV1, VP9, and resolutions.

Judging Apple's Advanced Video Quality Tool

As a metric, Apple's Advanced Video Quality Tool (AVQT) showed some bright spots, but it's hard to see it bumping VMAF or SSIMPLUS from real-world workflows without a lot more verification.

The Future Is Real Time, and It Starts Now

Where and how does "real time" fit into your workflows in this "COVID and beyond" era? Similar to global wars accelerating advan­ces in medicine such as plastic surgery, COVID has pushed all of us working in streaming media to rethink, innovate, optimise, and rebuild many components of our day-to-day responsibilities. 

Whither SVT-AV1

The Alliance for Open Media has gone all-in on SVT-AV1, but real-world tests show that Scalable Video Technology codecs don't live up to their promise when it comes to performance.

Encoding/Transcoding Companies and Suppliers