Our blog focuses on sharing our experience and knowledge across a wide range of technologies and industries including hardware and software design, audio, video, internet of things, mobile application and signal processing technologies.

Howdy Pierce

We’ve Moved

I’m a little late in posting this here, but it’s been a busy couple of months. As has already been reported in the local press, Cardinal Peak moved in late September. We’ve been adding some folks in the past year, and we had outgrown our previous location. But we also had a couple of other…

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Howdy Pierce

Using Lossy Video Compression in the Courtroom

I’m at the DSI conference in Las Vegas today, presenting a primer for law enforcement investigators on how video compression works and trying to answer the question of why “lossy” compression should be considered reliable for use in courtrooms.

The lack of trust in digital media compression in a forensic setting is primarily a PR issue for the media compression industry, if such an industry can be said to exist. We use terms like “lossy compression” and “predicted blocks”—terms that have relatively precise technical meaning. But these terms also have a slightly different meaning to laymen, and that everyday meaning isn’t exactly reassuring if you’re a judge relying on testimony compressed using a lossy compression algorithm.

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