![]() The Voyager Interstellar Record (The“Golden Record”) But HASP’s recordings, perhaps, have more dynamics and variation, and they capture the sound of our stratosphere. The rustling, phased static doesn’t sound very different from some Japanese noise music along the lines of Merzbow. Possible contributing factors include everything from ocean wave patterns to the actual reaction of the balloon cables. The interesting thing about the HASP soundbytes - sped up 100 or 1000 times to make them audible to the human ear - is the fact that it is impossible to identify all the sources of the sound. Essentially, these vehicles were helium balloons launched up to 22 miles above the Earth. Infrasound microphones pick up sounds that are inaudible to the human ear, and NASA’s page includes several recordings made with these mics on support vehicles from the HASP program. High Altitude Student Program (HASP) Recordings Here is a nearly-complete guide to the must-hear recordings. As might be expected, its selections are as bizarre as they are fascinating. One of the most prestigious and high-powered scientific institutions in the country, NASA, has a Soundcloud page - just like your favorite indie band or struggling rapper. ![]()
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