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The detailed diagrams, code samples, and demos are greatly appreciated. I think it shows that you put a lot of work into this. Thanks!

However, Shazam corporate doesn't seem very nice:

http://www.royvanrijn.com/blog/2010/07/patent-infringement/

With such a nice write-up, you probably already know this. :/

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I, I’m the author of the article and I already know that. The big difference between Roy van Rijn and I is that I only put algorithms whereas he put “ready to use” java code. On paper I should be bulletproof to any lawsuit since this article is nothing more than a very detailed version of the confounder Shazam paper (+some unexplained algorithms).

It's really unpleasant how they do not list the patents they think have been infringed. They just make a vague claim for everything, and realise that most people don't have the time, energy, nor money to challenge these broad claims in court and so most people just back down.

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