{
  "title": "Doppler effect at five speeds: measured frequencies",
  "description": "Five-speed table: for each clip, the speed, speed of sound and temperature, measured start and end frequencies, the two limits, the drop in semitones and percent, the largest tracking error and the level at each end.",
  "license": "CC BY 4.0",
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
  "creator": "Tricks of Ear and Eye",
  "page": "https://tricksofearandeye.com/sound/doppler-effect/",
  "derived_from": [
    "Parameter files and spectrum checks of the five clips (Tricks of Ear and Eye)"
  ],
  "method": "Compiled by Tricks of Ear and Eye from the data listed"
}