Systems, methods, apparatus, and computer-readable media for multi-microphone location-selective processing

摘要

A multi-microphone system performs location-selective processing of an acoustic signal, wherein source location is indicated by directions of arrival relative to microphone pairs at opposite sides of a midsagittal plane of a user's head.

主权项

1. A method of audio signal processing, said method comprising:
calculating a first direction indication of a direction of arrival, relative to a first pair of microphones, of a first sound component received by the first pair of microphones; calculating a second direction indication of a direction of arrival, relative to a second pair of microphones that is separate from the first pair, of a second sound component received by the second pair of microphones, wherein the first and second pair of microphones are worn by a user; and using the first and second direction indications to control a gain of an audio signal to produce an output signal, wherein the microphones of the first pair are located at a first side of the midsagittal plane of a head of the user, wherein the microphones of the second pair are located at a second side of the midsagittal plane that is opposite to the first side, and wherein controlling the gain comprises determining whether both of the first direction indication and the second direction indication indicate directions of arrival that intersect the midsagittal plane.