Transcripts for CNN CNN Special Report 20140407 02:37:00 : v

simulator realistic with the cockpit noise, whereas in an actual flight, both pilot and copilot would be wearing noise cancelling microphones and full headphones. right. so they would be able to hear each other as well as the tower very clearly. and it would block out most of that noise. but the noise that you re hearing would still be part of the recordings that you would retrieve from the airplane and could give you information as to what happened to this airplane. exactly. that would come through what we call the cockpit area microphone, the cam. that s another channel that is recorded on the cvr or cockpit voice recorder in addition to the pilot and copilot channels. right. so we were trying to figure out, les, you were saying by just listening to the tower recordings, right, it would be hard to distinguish the pilot from the copilot. even your own wife can t tell your voice when she is listening. correct. sometimes when you re