Direct soundcloud link: https://soundcloud.com/nasa/sets/golden-record-sounds-of

I'm shocked at the extremely low fidelity. It sounds almost like 8 bit crush on top of POTS bandwidth filters. Some had nearly as much noise as signal to my ears -- I never noticed any laughter in #17 Footsteps, Heartbeat, Laughter. Any footsteps were indistinguishable from heartbeats.