Patent ID: 9392388
Filing Date: 2016-07-12
CPC Classification: G01H,G10L,H04R,H04S

Claim Text:
1. A noise identifying apparatus, comprising: a sound detection means, including a plurality of microphones and/or particle velocity sensors; a sound source direction specifying means, specifying an instantaneous direction of a sound source for each unit time on the basis of the result of detection by the sound detection means; a variation degree calculating means, calculating a variation degree of a plurality of said instantaneous directions, having been specified by said sound source direction specifying means for a prescribed period, being set longer than said unit time; and a non-object noise determining means, determining, on the basis of said variation degree, having been calculated by the variation degree calculating means, the existence/absence of a non-object noise, having influenced the measurement of an object noise, coming from a noise source taken as an object to be measured.