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News about sound

Data over songs: Hiding bits in pop hits

A song can convey so much; a story, a mood, an emotion and up to 400 bits per second, thanks to new technique developed by researchers at ETH Zurich.
Sound filter shaves microseconds from photonic processing

At the business ends of the extensive web of fibre optic cables that thread around the world, the pulses of light they carry have to be converted into electronic signals.

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