AV1 Arrives, but IP Questions Linger

After three years and multiple delays, the Alliance for Open Media froze its AV1 codec bitstream, thus setting up a cacophony of HEVC/AV1 face-offs in booths and meeting rooms at the upcoming NAB Show. These comparisons will largely dictate which codec will replace H.264 as the “it” codec for streaming to desktops, mobile devices, Smart TVs,…

Moscow State University Updates its Video Quality Measurement Tool

Moscow State University’s Video Quality Measurement Tool was already good. Enhancements in the new version, including new metrics and the ability to run multiple analyses simultaneously, make it even better. Moscow State University’s Video Quality Measurement Tool (VQMT) has always been one of the least expensive and most functional quality measurement tools available. The latest…

HEVC Advance Cuts Content Fees on Streaming

HEVC Advance announced today that it is eliminating subscription and title-by-title royalty fees for non-physical HEVC content distribution, making all streaming, cable, over-the-air broadcasts, and satellite distributions of encoded HEVC content royalty free. HEVC encoded content sold on Blu-ray discs and other storage devices will continue to be subject to a royalty. In a related…

Player Testing (Don’t Assume it’s Working Well)

The graph below shows two off-the-shelf players retrieving the same HLS manifest under the similar test conditions, which vary from 512 kbps at the low end to 5120 kbps at the top end. On the left, Player A, stopped retrieving video multiple times during the low bandwidth transmissions, stalling playback, which are the red lines…

Wowza ClearCaster Streams 1080p to Facebook Live

Wowza ClearCaster is a $6,000 encoder from Wowza, that at first glance may cause you to repeat the company’s name loudly, as in, “Wowza, that’s a high price for a single channel streaming appliance.” Perhaps so, but it’s the only encoder that can stream 1080p to Facebook Live, and as I learned when I reviewed…