Patent ID: 8965270
Filing Date: 2015-02-24
Classification: H04H,H04M,H04W

Abstract:
1. A wireless audio system, comprising: a plurality of geographically distributed wireless microphone groups each group having at least one wireless microphone and being associated with at least one of a plurality of loudspeakers; at least one antenna comprising each of a plurality of geographically distributed antenna groups, the plurality of the geographically distributed antenna groups comprising an antenna array, and each one of the antenna groups in communication with one of the wireless microphone groups; a base station in communication with each one of the plurality of the geographically distributed antenna groups, the base station having digital signal processing functionality ; and each of the wireless microphones comprising each of the plurality of geographically distributed wireless microphone groups, each of the antennas comprising each of the plurality of geographically distributed antenna groups, and the base station operate to run a time synchronization protocol that correlates the time at which the base station captures a first sample of audio information and the time at which one of the microphones captures a second sample of audio information; wherein the first and second samples of audio information are used by the digital signal processing functionality to remove substantially all of the acoustic echo associated with the second sample of audio information.