DASH or HLS? Which is the Best Format Today?

The survey results are in: So, out of 87 responses, over 50% chose DASH, while over 30% choose HLS. The balance chose to explain why, and there were some very useful comments.  “Not sure why i wouldnt cover both options.” “DASH also doesn’t work on OTT boxes like AppleTV and Roku, where HLS does. DASH…

BBC Moves to HTML5 and MPEG-DASH

I am a bit behind the times on this one, but on September 29th, 2015, the BBC launched an HTML5-based player based upon the Media Source Extensions and MPEG-DASH. You can read about their implementation in a blog post, here. The new implementation is very platform-specific, and BBC announced that they were testing on the…

Current Status of HEVC Royalties

This post will quickly summarize the current status of HEVC royalties. There are two existing patent pools. The first was assembled by MPEG LA and calls for royalties of $0.20/unit on encoders and decoders, after a 100,000 de minimus exception, with a US $25 million annual cap, and no royalty on encoded content. Here’s a screen grab…

Why I like VQM better than PSNR or SSIM

Author’s note: Since the first publication, I converted SSIM to decibel form as suggested by the first comment below (which should also address the second comment). The formula used was that suggested by the Video Codec Testing and Quality Measurement source cited in the first message, or: -10 * log10 (1 – SSIM) As it…

A Thunderbolt Primer

The Thunderbolt port on a MacPro lets it function as a highly capable live streaming system.
Thunderbolt can be a very useful expansion option for streaming and other video production, particularly if you are producing on a Mac workstation or laptop.

Producing Live Events, Master Tip 1: Keep Striving

Total Webcasting is a webcasting service provider out of New York that produces dozens of events a month, and thousands since its inception in 2007. Total Webcasting is unique in that it produces virtually all events for its customers, while owning the streaming server and content management system used for live and on-demand delivery, providing the…