Sound Gallery - Helicopter

Air tour helicopter flying over Grand Canyon National Park in Arizona

NPS Photo

• Helicopter

  
  

  Sound recording of a helicopter, Yosemite National Park, California.

  Credit / Author:

  NPS

  Audio Transcript

  The thumping vibrating sounds of a helipcopter flying over.

Spectrogram of helicopter. Spectrograms are graphs that visualize sounds. The brightness of the colors shows sounds’ amplitude (loudness) across different frequencies (pitches), shown from bottom to top, and over time, from left to right. Note how the helicopter noise is loud across all low- and mid-frequencies

NPS

• Listen to more natural and human-made sounds recorded in national parks via the NPS Sound Gallery

• Learn more about what the National Park Service does to explore, understand, and protect the acoustic environment at Natural Sounds (U.S. National Park Service)