number stations

A nice little article about number stations, the shadowy shortwave radio stations that broadcast nothing but streams of numbers and/or letters. The audio snippet is strangely creepy.

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online soundmaking tools

A couple of neat little online soundmaking tools: Online Tuning Fork and a White Noise Generator.

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what is fourier transform?

The Fourier transform is a mathematical operation that decomposes a signal into its constituent frequencies. Thus the Fourier transform of a musical chord is a mathematical representation of the amplitudes of the individual notes that make it up. More

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space sounds

NASA marked their fortieth anniversary with a selection of audio recordings on their website, including the liftoff sounds of a variety of rockets and missions: Apollo Audio and Movie Segments

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77boadrum

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