sample 20070705.ultrasound.wav (http://freesound.iua.upf.edu/samplesViewSingle.php?id=37231)
stretched (300%) to make it audible. The effect is quite War of the worlds-ish

Comments

• 
  orionteck 2 years, 8 months ago

  Amazing job!
• 
  digifishmusic 5 years, 7 months ago

  I love stretching sounds to hear what's inside :)

  Thanks for this.