I'm not following you, Jonesy.

2 seconds sound clip from the The Hunt for Red October movie soundboard.

You can hear this line at 00:52:41.610 in the Blu-ray version of the movie.

Quote context

[...]

- Captain. Sir, the moment that sub went silent and I thought I heard some singing, I heard something in the background real faint, and then, after all those subs took off, I caught it again, and I managed to get it on tape.

- I washed it through the computer a few times and I was able to isolate this sound.

(Magma displacement)

- When I asked the computer to identify it, what I got was magma displacement.

- You see, sir, the SAPS software was originally written to look for seismic events and I think when it gets confused, it kind of runs home to Mama.

- I'm not following you, Jonesy.

- Sir, I'm sorry. Listen to it at ten times speed.

(Submarine engine)

- Now, that's got to be manmade, Captain.

- The first contact was at 09:15, and the bearing was 2-6-9. At 09:30, it was here.

[...]