Home Gadgets Berlin Startup Holoplot Tests Steerable Sound in German Train Stations

Berlin Startup Holoplot Tests Steerable Sound in German Train Stations

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A Berlin startup named Holoplot has built a premium audio system that it says can send one song or announcement to one corner of a room, and an entirely different message or tune to another area of the same room—without any interference between the two.

Holoplot is testing its technology in major train stations throughout Germany, where it says the system can send up to 16 message to separate gates at once, all at the same frequencies. It ran its first pilot at Frankfurt Hauptbahnhof, Germany’s largest train station, in December.