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Webinar: Foundational Concepts: Video Compression, Processing and Delivery

Posted on by Russell Trafford-Jones


On demand webinar from AWS Elemental covering some streaming basics.

In this webcast, you will:
• Learn how to create and deliver video over the internet
• Understand video codecs, containers, popular delivery methods and content delivery networks
• Consider methods, including adaptive bitrate streaming, that enable high-quality video to be delivered to a wide range of internet-connected devices
• Learn about the latest trends in video compression and delivery

Increasing smartphone subscriptions and data volumes per subscription are driving rapid growth in mobile data traffic, much of which is video content. According to multiple industry reports, these trends will continue for the near future, and by 2020, 75 percent of the world’s mobile data traffic will be video according to the Cisco Visual Networking Index. Technical and business leaders at organizations that aim to expand offerings using video need to understand the complexities of delivering premium viewing experiences to consumers.

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Video: Reducing Latency & Startup Times

Posted on by Russell Trafford-Jones


Low latency and fast startup times are KPIs for most streaming video producers, particularly for live events. In this talk from Streaming Media west, you will learn how to achieve the low latency live streaming.
David and Jun show the importance of measuring startup time, latency, and network overhead and with Jan Ozer, they show you how to get latency down by:
• reducing fragment sizes, using hybrid fragment sizes;
• specifying first variant retrieved;
• controlling the number of fragments retrieved before playback starts;
• and opening a persistent connection between player.

You’ll learn the most effective strategies for minimizing startup time and latency without swamping your network with additional HTTP requests, and what you’ll need to do to implement them in your encoding and delivery workflows.

Speakers:
David Hassoun, CEO RealEyes Media
Jun Heider, Director of Technology, RealEyes Media
Jan Ozer, Streaming Learning Center

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Download the slides

Video [OTT]: Content delivery sucks, and what you can do about it

Posted on by Russell Trafford-Jones

Watch the video
Practical advice on delivering video content live or over OTT.
By watching this video you’ll understand the pros and cons of all the elements needed. Matt Ward from Mux starts with a list of ‘what we need’ and goes through each one using personal experience to filter through the many options out there which can feel overwhelming. What actually are all of those options and how do you decide what to actually do? This talk will go into the details of how to make CDN decisions and actually improve the things that you once thought were out of your control.

Topics:
• Getting something that is cheap & works
• Reliability
• Security
• Token Authentication & Signing
• Billing
• Real world examples
• Multi-CDN

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Video: Streaming at 250 kbps – raise your expectations

Posted on by Russell Trafford-Jones


Megha Manohara discusses Netflix’s ongoing efforts to reduce the bitrate of movies whilst maintaining their enjoyability showing their success right down to 250kbps.

As a Senior Software Engineering on Video Algorithms, Megha’s talk focuses on the research and implementation challenges of Dynamic optimizer – an innovative shot-based encoding tool that raises the perceptual quality of streams at bitrates as low as 250kbps. Visiting VMAF, PSNR and other metrics on the way, this talk gives great ideas on reducing bitrate and measuring success.

See also, her article on per-shot encoding.

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