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 …
Read More »Promising Initial Results with AV1 Testing
AV1 encoding is now only 2x slower than x265. See the latest results here. I began testing AV1 early this week. Briefly, my tests involve 16 ten-second clips in four genres (movies, sports, animations, gaming) and an “other” category (music video, nature video). I’ve completed the first set of tests with FFmpeg 4.3, benchmarking x264, x265, and the latest version …
Read More »Compressionists: You’re Only as Good as Your Tools
I’m reviewing AV1 encoders for Streaming Media Magazine and was performing some QC on the AV1 files that I produced with the latest version of FFmpeg. Two file details I always check are GOP size and whether the GOPs are closed or not. I check these for multiple reasons.
Read More »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 …
Read More »Choosing the Optimal Preset for AV1 Encoding (and Other Questions)
AV1 encoding is now only 2x slower than x265. See the latest results here. I’m comparing AV1 encoders for Streaming Media Magazine. I plan to include codecs from: The Alliance for Open Media (hopefully versions 1.0/2.0) Visionular Intel Mozilla (Mozilla is out – didn’t respond to my inquiry). If there are any other codecs that should be considered, please get …
Read More »Apple TV Finally Supports 4K YouTube Files in AV1 or VP9 (Maybe Both?)
On its preview page for Apple TV 4K, Apple announced that the update to tvOS 14, which is expected to ship this fall, will support “YouTube videos in their full 4K glory.” By way of background, YouTube produces most 1080p videos using H.264 which plays everywhere but produces larger resolutions using either the VP9 or AV1 codecs. Apple never supported …
Read More »Integrating SmartPlay into Your Encoding and Distribution Ecosystem
In the previous post, I described what MediaMelon SmartPlay is and identified some of the benefits. In this post, I’ll discuss pricing and how to integrate SmartPlay into your encoding, delivery, and playback infrastructure. Pricing Overview Let’s briefly discuss the SmartPlay pricing model here and look at ROI at the end of this document. There are two pricing models. The …
Read More »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 …
Read More »How MediaMelon SmartPlay Saves Bandwidth Costs and Improves QoE
MediaMelon’s SmartPlay is a streaming optimization solution that reduces bandwidth use by 35% or more and improves QoE while working with your existing ABR content without reencoding. As you’ll read in this post, SmartPlay works by analyzing the quality of every segment in an ABR package and producing a hintfile used by the SmartPlay plug-in installed in the player to …
Read More »Preliminary VMAF and PSNR Scores for New Xilinx Transcoding Appliances
Live streaming at scale is the perfect application for hardware transcoders that deliver highly-affordable encoding density. Xilinx just announced a series of transcoding appliances targeting these live streaming use cases built around the new Xilinx Real-Time (RT) Server reference architecture. I’ve been benchmarking output quality with two card-based encoders deployed in these appliances, the Alveo U30 and Alveo U50. The …
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