Automatic speaker tracking in audio recordings

A central topic in spoken-language-systems research is what's called speaker diarization, or computationally determining how many speakers feature in a recording and which of them speaks when. Speaker diarization would be ...

Fujifilm shows off bendable 'Beat' diaphragm speaker

(Phys.org)—Japanese film maker Fujifilm has unveiled a new kind of bendable speaker at this year's Nanotech 2013 tradeshow, currently running in Tokyo. It's based on a thin bendable diaphragm the company calls "Beat."

Making opaque materials totally transparent

Most naturally occurring materials have a disordered atomic structure that interferes with the propagation of both sound and electromagnetic waves. When the waves come into contact with these materials, they bounce around ...

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