Air borne acoustic-sensor system for determining direction of e.g. person, has directional measurement module separately effecting directional measurement in individual noise so that measurement is realized for number of noise sources

摘要

The system has a signal processing module (21) processing a signal detected from a microphone-antenna-arrangement (10). An individual noise is filtered from a total-noise in a sound filter-module (27). A directional measurement module (28) separately effects a directional measurement in a filtered individual noise so that the measurement is parallelly and simultaneously realized for a larger number of separable noise sources. An independent claim is also included for an air borne method for determining a direction of an object.