Just a quick note about the Per-Title Encoding Webinar that I’m producing next Tuesday, August 29th, at 2:00 PM EST. In the webinar, after introducing the concept of per-title encoding, and discussing Netflix’s and YouTube’s technologies, I will compare three per-title approaches: – Capella Systems’ Source Adaptive Bitrate ladder, as implemented in their Cambria FTC…
DetailsRealNetworks is one of the most storied names in video streaming-if you’re on the wrong side of 40. If you’re younger, than odds are you never heard of the company. On Wednesday, August 16, RealNetworks announced an agreement to deploy Advanced RealMedia HD (RMHD) Technology in China. What do we know about the codec? Here’s…
DetailsApple’s HLS Authoring Specifications for Apple Devices approves up to 200% constrained VBR but Apple’s actual encodes are more like 110-120% constrained. What Apple Says As you probably know, Apple recently made sweeping changes to their HLS recommendations, including changing from 110% constrained VBR for VOD in TN2224, to 200% constrained VBR in the HLS…
DetailsI’m starting to get excited about the free Defining Your Encoding Ladder webinar today at 2:00 PM EST. In addition to a focus on reducing encoding and distribution costs (cut layers, cut ladders, cut bandwidth), I’ll be exploring three options for including HEVC in HLS presentations, and will be showing preliminary encoding ladders from MainConcept…
DetailsYour encoding ladder controls the visual quality of all video that you deliver, but there are few absolutes. Ask five experts to design the optimal encoding ladder, and you’d get five different answers. That said, there are some tools and concepts you can use to identify where you may need to tweak our ladder, all…
DetailsAs quality metrics go, PSNR is considered a blunt tool obsoleted by higher end metrics like Netflix’s VMAF or SSIMwave’s SSIMplus. That said, it’s accessible and understood, and has been used for years. Of course, none of that matters if it delivers misleading results. So that’s what I decided to test in a round of two…
DetailsDownload handouts from this session below. Here’s the description. As video resolutions increase and target playback platforms multiply, video producers must leave their H.264/HLS/HDS comfort zone and expand into HEVC, VP9, and MPEG-DASH. This workshop is divided into multiple segments by target platform to teach you the applicable standards and best strategies for delivering live…
DetailsIn case you haven’t noticed, I’ve updated the Streaming Learning Center design to enable an improved learning experience. As part of this redesign, I’ll be holding more educational webinars. The first is a six-part webinar series entitled Rebuild Your Encoding Ladder. If you haven’t looked at your encoding ladder in awhile, you’ll find this course particularly useful…
DetailsLearn to Produce Video with FFmpeg in 30 Minutes or Less, is an entry-level book for developers who need to produce single MP4 or adaptive groups with FFmpeg, the free, open-source utility used in some of the largest encoding farms in the world. The book also includes a primer on terms and technologies related to…
DetailsAt the recent World Wide Developer’s Conference (WWDC), Apple announced that the next versions of Safari, iOS, and tvOS will support HLS with HEVC encoded video. This puts Apple firmly in the HEVC camp, with the Alliance for Open Media camp (Amazon, Cisco, Intel, Google, Microsoft, Mozilla, Netflix, and many others) supporting the AV1 codec…
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