Depending upon your encoding tool, you may have access to a checkbox or number box that controls something called IDR frames. What are these creatures and what is their significance? More importantly, what’s the optimal setting? Well, let’s just say that if you’re seeing anything like the random blockiness in the picture below when you…
DetailsI was noodling around in Compressor 4’s presets, and noticed the presets for HTTP Live Streaming. “HMMM,” I thought, “I wonder if Apple chunks the files and creates the required manifest files?” (Didn’t in my tests). Then I pondered, “I wonder if Apple’s presets match their recommendations in Technical Note TN2224?” So, I opened all…
DetailsFew things in life are more fun than playing with the latest, greatest notebook computer. For the last few months, I’ve had the pleasure of working with HP’s EliteBook 8760w, which is the most powerful notebook I’ve ever tested. It’s a highly potent combination of Intel i7 CPU, NVIDIA 5010M GPU and an appropriately named…
DetailsSometimes I get so caught up in Flash video that I forget that Flash does many other things, from serving as the environment for the WeVideo editor to enabling sites like the Economist to present interactive data relating to the upcoming presidential election. If you visit the Economist, you can click each state to see…
Details…is NOT how they encode their video. But, they do a lot of other things right with their streaming video. GoDaddy.com aggressively advertises videos on television to convince you to visit their web site. With celebrities Danica Patrick and Jillian Michaels on board, it’s a pretty good strategy. Of course, when most viewers see these…
DetailsDASH stands for Dynamic Adaptive Streaming over HTTP, and it’s MPEG spec that was unanimously ratified on December 2, 2011. What is DASH? As I open in my article What is MPEG DASH for Streaming Media Magazine: MPEG DASH (Dynamic Adaptive Streaming over HTTP) is a developing ISO Standard (ISO/IEC 23009-1) that should be finalized…
DetailsHere’s the introduction. The referenced video on YouTube details the 28 hours I spent in Manhattan with my girlies last September, including our visit to the Empire State Building, Times Square and the Today Show, plus a clip of my daughter subway surfing. “While the desktop video editing market has consolidated into the big four…
DetailsIn my latest survey, the average video configuration was very close to 640×360, with a combined audio/video data rate of 837 kbps (758 kbps video, 79 kbps audio). This computes to an average bits per pixel value of .115. If videos posted on your site are lower than these figures, you’re probably being unnecessarily conservative.…
DetailsI don’t spend a lot of time in the big-iron encoding space, but I was pleasantly surprised a few weeks ago when I saw Elemental Technologies, who sells GPU-based hardware encoders, written about in BusinessWeek. So when the company approached Streaming Media Magazine with an exclusive story about ESPN using their technology, I was psyched…
DetailsConfiguring your video streams properly requires an understanding of three concepts; data rate, resolution and frame rate. In this article, I’ll define these terms and discuss the influences that impact your choices for each parameter. Then, at the end, I’ll walk you through a decision matrix designed to help you choose the optimal parameters for…
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