Patent 11381907 - Microphone array system > Summary

US Patent

Patent Application No. US 11381907

Published on Jul 5, 2022

Application No. 17/234939

Field on Apr 20, 2021

Classification

International:

H04R 3/00

H04R 1/40;

H04R 3/04;

H04R 1/02;

Field of Search

381/92

381/91;