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This application is a continuation-in-part of U.S. patent application “Gunshot Detection within an Indoor Environment” Ser. No. 15/684,925, filed Aug. 23, 2017, which claims the benefit of U.S. provisional patent applications “Gunshot Detection within an Indoor Environment” Ser. No. 62/379,023, filed Aug. 24, 2016, and “Testing of Gunshot Sensors” Ser. No. 62/429,754, filed Dec. 3, 2016..