Tag: Blog

Evidently the Justice Department is investigating MPEG LA on the grounds that they may be stifling innovation in the area of standards for web video. From today’s Wall St. Journal: The Justice Department is investigating whether a group representing some top technology firms is unfairly trying to smother a free rival technology for delivering online... View Article

If you’ve ever had occasion to watch video on a computer, you might have noticed that it doesn’t look like it does on your TV. This is especially true when watching interlaced video. This post briefly describes some issues associated with using a computer as a video display device. Let’s start with interlaced video. What... View Article

There’s a lot of advice on the internet directed to engineers and other tech workers who reach a certain age. According to Penelope Trunk, you’re supposed to hide your age on your resume by deleting work experience older than about 15 years ago and omitting the date on your college degree. (I’m going to blow... View Article

In all the internet video out there, there are basically two methods of delivery: Progressive download and adaptive bit rate streaming.

The use of transforms in data compression algorithms is at least 40 years old. The goal of this three-part series of posts is to provide the mathematical background necessary for understanding transforms and to explain why they are a valuable part of many compression algorithms. I’m focusing on video since that’s my particular interest. Part... View Article

I’ve been waiting for a little to mull over Google’s announcement about dropping H.264 support in Chrome in favor of VP8. Although my partner Ben Mesander would take the other side of the argument, I think the world needs VP8 like a fish needs a bicycle.

The use of transforms in data compression algorithms is at least 40 years old. The goal of this three-part series of posts is to provide the mathematical background necessary for understanding transforms and to explain why they are a valuable part of many compression algorithms. I’m focusing on video since that’s my particular interest. Part... View Article

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Discover the power of transforms in video compression. Part 1 explains vectors, dot products, and orthonormal bases—essential for understanding advanced compression algorithms. Ready to transform your approach?

Learn how Cardinal Peak navigates project planning challenges with realistic estimates. Discover effective techniques for accurate engineering timelines.

In all the sturm und drang of bad economic news, Cardinal Peak is on a bit of a hiring spree. If you’re a talented engineer who is interested in embedded application development and lives in the Denver/Boulder area, please get in touch! We’re working on some very cool products that I hope to be able... View Article

One time last winter I shot a photo with my camera phone out the windshield of my car and got a strange image with curved wiper blades: No, my wipers don’t look like this! I’ve been meaning to track down the reason why this happened. It is clear that cellphone cameras don’t usually use mechanical... View Article