earmuffs are not completely inserted into the ear canal or the air leakage of the earmuffs will cause electrical noise, please don't worry,this is the smart chip is suppressing howling, justreplace the larger earplugs.Turn off or lower the volume before inserting the instrument in your ear....
Thirdly, noise management can occur at the point of reception, such as through the use of earmuffs in engineering mechanics and helicopter cockpits to mitigate the impact of loud noise on ears. The first and second approaches are commonly employed during the design phase. PNC exhibits a ...