System of training of hearing protectors to assess their proper use

摘要

the training of hearing protectors to assess their proper use contains a hearing protector (5), which are connected flexible tubes (2) with mikrofonowymi probes (3, 4) and in a small distance from the ear microphone (1) is situated. the probe mikrofonowe (3, 4) and a microphone (1) are connected with the measurement system noise.the measurement system noise contains input amplifiers (6, 7, 8) connected to the analog to digital converters (10, 11, 12), which are connected with the usb controller inputs output (14), the entrance and exit is connected with the measuring station (16), having a working usb (15).the second exit usb controller (14) is connected through an analogue to digital converter c / a (18) and then the amplifier (19) of the loudspeaker (20).