CNN CNN Newsroom March 22, 2014 22:17:00
That we have finally got this audio, because we have been talking about the pingers and the pingers and pingers and finally now we know what we are referring to. and that audio is exactly what the pingers aboard flight 370 would look like if it was detected by underwater technology and normally you can't hear it with the human ear, but the manufacturer helped us to convert it to an audible pi pinger. they are, as you know, associated with the flight recorders, and those flight recorders are so critical, because it will help the investigator to know what happened or what went wrong, and the pin...
Source: archive.org