EZLD Level-Dependent Hearing Protector Test Application

EZLD is an automated software data acquisition application for the testing of Level Dependent and Active Noise hearing protection systems and headsets in accordance with industry standards such as BSI EN352, ISO 4869 and ANSI S12.42.  EZLD generates test signals at a series of user established sound levels and then automates our Trident multi-function acoustic analyzer and National Instruments signal generation/data acquisition hardware to acquire the protected sound levels under the hearing protector.  The software and system can be used with human subjects for MIRE testing or as a fixture based testing solution.  Test results are displayed graphically within the EZLD application and can be exported into Microsoft Excel templates for post process data analysis.

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