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Passing planes and other whoosh sounds
A blog about signals, programming, music, and other stuff.
In recordings this often means that the sound was captured by two microphones and then mixed together; you can sometimes hear this happen unintentionally in podcasts and radio shows. The cepstrum, which is the inverse Fourier transform of the estimated log spectrum, is a fascinating plot for looking at delays and echoes in complex (as in complicated) signals. You can hear it in some films – for instance, in the original Home Alone when Kevin puts down the pizza box after taking a whiff ( video)!
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