A single microphone inside a randomly perforated metamaterial dome can recognize which of several known overlapping sounds arrive from which direction, using direction-dependent frequency shaping and compressive sensing.
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Sound Localization and Separation in Three-dimensional Space Using a Single Microphone with a Metamaterial Enclosure
A single microphone inside a randomly perforated metamaterial dome can recognize which of several known overlapping sounds arrive from which direction, using direction-dependent frequency shaping and compressive sensing.