Learning

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Video Quality Metrics: One Number Doesn’t Cut It

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Webinar: Choose and Use the Best AV1 Codec

Jan Ozer here. I spent the last 2 months working with four AV1 codecs, benchmarking them against each other and x264 and x265. I’m presenting my findings in this for-fee 75-minute webinar ($149.99).  There are two parts; the first shares what I learned about the codecs, and the second details what I learned about encoding with them and creating the …

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Bash Scripting with Wildcards for FFmpeg on Ubuntu and Mac

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Lesson of the Week: Compute VMAF with FFmpeg on Windows

Note: This update details how to compute VMAF with FFmpeg on Windows. From my perspective, this feature has gotten progressively less usable and increasingly frustrating. Documentation is poor and the syntax is idiosyncratic and hard to use. If you have any alternative, like Moscow State University’s Video Quality Measurement Tool, I would spend the money and get something that works …

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How to Shine in a Zoom Webinar

My wife was watching a webinar for CME and there were two physicians with such picture perfect presentation that I just had to snap the image and comment. The list of what these two did right is lengthy and instructive. Both practiced perfect rule-of-thirds positioning, with their eyes about 1/3 down from the top of the frame. For this reason, their …

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Telecine: MediaMelon SmartPlay Case Study

This article details how Brazilian OTT operator Telecine deployed MediaMelon SmartPlay and decreased bandwidth costs by about 42% while improving the MOS quality of the video delivered. SmartPlay also helped Telecine manage the 4X increase in demand due to COVID-19. This is the third and final story about MediaMelon SmartPlay. The first article describes how SmartPlay works and the benefits …

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Lesson of the Week: Producing Remote Interviews with vMix Call

I recently recorded about ten interviews for a webinar produced by a client. I could have used Zoom or Skype but thought that I could achieve better quality by producing the videos with vMix Call. Briefly, vMix is a live streaming software package and Call is the feature that lets you connect with others via RTC for recording conferences. Some …

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Lesson of the Week: Finding the Just Noticeable Difference in a MOS Score

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Upcoming Training for Streaming Production

Here are descriptions of the two courses I’ll be teaching in a few days on streaming media production.  Streaming Media East will be held online, with five 3-hour pre-conference training sessions that cost $199 each and a robust assortment of free 1-hour sessions. Here are the titles, dates, and times of the pre-conference sessions I’ll be teaching plus a short …

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Third Five-Star Review for Streaming Media 101 Course

I created Streaming Media 101: Technical Onboarding for Streaming Media Professionals because there were few formal training resources for those producing streaming video or the tools and services that enable streaming media production and distribution. My goal was a course that would efficiently provide streaming media training to professionals on both sides of that fence who were new to the …

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