Engineers solve 50-year-old puzzle in signal processing
Engineers solve 50-year-old puzzle in signal processing by Mike Krapfl, Iowa State University Vladimir Sukhoy and Alexander Stoytchev, left to right, with the derivation for the ICZT algorithm in structured matrix notation -- the answer to a 50-year-old puzzle in signal processing. Credit: Paul Easker Something called the fast Fourier transform is running on your cell phone right now. The FFT, as
How does Shazam work | Coding Geek
Have you ever wondered how Shazam works? I asked myself this question a few years ago and I read a research article written by Avery Li-Chun Wang, the confounder of Shazam, to understand the magic behind Shazam. The quick answer is audio fingerprinting, which leads to another question: what is audio fingerprinting? When I was student, I never took a course in signal processing. To really understan
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