Blogs

alt

Buyers’ Guide to Per-Title Encoding

After three years or so in gestation, per-title encoding is becoming a required feature on most encoding platforms, whether in-house software or SaaS cloud providers. In this buyers’ guide, we’ll review a list of features to look for in per-title encoding offerings and present a testing structure to evaluate the contenders that make it to your short list. If you’re …

Read More »

W4- Key Encoding Skills_Technologies_and_Techniques

Here’s the link to download:  W4-key encoding skills Here’s the description. W4. Key Encoding Skills, Technologies, & Techniques Monday, May 6: 1:30 p.m. – 4:30 p.m. This session helps encoding professionals get up-to-speed on crucial encoding-related issues, technologies, and techniques. Topics include: Best high-level strategies for delivering to computers, mobile, smart TVs, and OTT (which ABR, codecs, and DRMs are supported …

Read More »

A Survey Of Per-Title Encoding Technologies – Download Handout

Here’s the description; download handout here. T103. A Survey Of Per-Title Encoding Technologies Tuesday, May 7: 1:45 p.m. – 2:30 p.m. Per-title encoding techniques customize the encoding ladder to match the encoding complexity of the source, saving bandwidth on easy-to-compress videos and ensuring the quality of more complex footage. Codec specialist Jan Ozer compares the efficiency, implementation issues, and costs of …

Read More »

Benchmarking FFmpeg’s Hardware Codecs – Download Handout

Here’s the description; download handout here. SME-2019 – FFmpeg Hardware VES101. Benchmarking FFmpeg’s Hardware Codecs Tuesday, May 7: 10:30 a.m. – 11:30 a.m. Hardware codecs in FFmpeg like those from Intel and NVIDIA deliver significant performance gains over x264/x265, but have a reputation for lower quality and use a completely different command set. This session benchmarks the performance and quality of …

Read More »

Download Slides: Introduction to ABR Production and Delivery

Here’s the description; link to the PDF is below: W1. Introduction To ABR Production & Delivery Monday, May 6: 9:00 a.m. – 12:00 p.m. This course helps those new to streaming media get familiar with the relevant terms, concepts, and technologies. The session begins with a definition of terms like codecs, container formats, and adaptive bitrate streaming, as well as encoding …

Read More »

YouTube Quality at Lower Resolutions was Awful in my Tests

I’m preparing for my per-title presentation at Streaming Media East next Tuesday (presentation description below) and found some anomalous results for lower-resolution files produced by YouTube. I’m including YouTube in the analysis because I’ve always respected their work and for perspective vis a vis other per-title technologies that I’ll analyze (including Elemental MediaConvert QVBR, Capella Systems SABL, Epic Labs Lightflow, …

Read More »

You Are Almost Certainly Wasting Bandwidth Streaming to Mobile Phones

A few weeks ago, I wrote about the VMAF Phone Model which measures VMAF score for viewers watching on a mobile phone. Since then, I gave a presentation at NAB on VMAF and ran some calculations comparing the phone and default models. I share those below. First, have a quick look at the three VMAF models shown on the slide …

Read More »

Sisvel Update

I’ve been asked for an update on the Sisvel AV1/VP9 pool situation; here’s what we know. Before beginning, as I wrote about here, I am working as a consultant with Sisvel during the launch. To recap, Sisvel announced their pool late March: Before signing on as a consultant, I wrote two articles for Streaming Media and produced one video interview …

Read More »

Free Video: Scaling and Letterboxing in FFmpeg

Embedded below is a free lesson from my course, Produce Videos with FFmpeg: The Beginner’s Course (http://bit.ly/learn_ffmpeg). The previous lesson in the course describes when you can use the -s command to set resolution; this lesson details your options when you can’t. This typically occurs when the display aspect ratio of your output is different from your input, which happens often …

Read More »

New Course: Encoding and Packaging for Multiple Screen Delivery

I’m launching a new course entitled Encoding and Packaging for Multiple Screen Delivery. It’s an advanced course detailing how to create and configure encoding ladders using objective quality metrics like VMAF, packaging for DASH/HLS (both static and dynamic), CMAF, per-title encoding, and more. The course is designed for professionals who need to get up to speed on these topics and …

Read More »