HLS just got really complicated. On September 9, 2017, Apple updated their HLS authoring requirements to include HDR and 4K recommendations. The updated ladder is shown below. Here are some of the new/updated requirements for HEVC and HDR. There are more in the spec, but these are the ones I wanted to comment on. 1.6. Profile, Level, and Tier for HEVC MUST …

On September 12, the Healthcare Information Committee of SW Virginia held a Healthcare Information Forum. In our tiny region of Virginia, all insurers had pulled out of the ACA, and there were many, many concerned and upset people in attendance (Anthem has since returned to the ACA market). One particularly informative speaker was Dr. Christina Dalton, shown above, who is …

VMAF stands for Video Multimethod Assessment Fusion, but all you really need to know is that it’s the video quality metric co-invented by Netflix to replace the Peak Signal to Noise Ratio (PSNR) that used to fuel the company’s per-title encoding function. In the image above, which is courtesy of Netflix, you see how VMAF scores on the left more closely match …