CNN Anderson Cooper 360 March 26, 2014 03:17:00
Up a 3-d map. >> let's go inside and take a look at how this data is translating, starting off with the data coming in from the hydrophone and how that looks when you let this computer hear what it's picking up. >> the hydrophone, you could put it on your ears and listen to what's in the ocean and you're listening for that once per second click. this is a spectrum of the noise in the ocean. this is ocean noise here on the boat. if that pinger were nearby, we would see a sharp spike at the 30 to 40 kilahertz. >> you also have this coming in, which is the sonar, correct? >> exactly. this is the ...
Source: archive.org