CNN CNN Newsroom April 20, 2014 22:33:00
C.a.m., which is very, very noisy environment, from the air, the air conditioning, the air flow, engine sounds and so on. most pilots nowadays use noise canceling head phones just to cut that out. >> but the microphone on that recorder wouldn't have that same technology. it's grabbing everything. >> that's right. there are many times in the cockpit where you want to know what happened engine wise and alerts and so on, in addition to people talking. so this was an example of an alert that sounded in a cockpit, but it was very low and we wanted to enhance it. >> for the sake of our viewers play ...
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