{
  "generator": "shepard",
  "id": "shepard-tone-audio-25-steps",
  "status": "final",
  "note": "Clip 2 of the Shepard tone entry: 25 tones, each made of sine partials one octave apart under one fixed raised-cosine envelope on a log-frequency axis (centre 500 Hz, 8 octaves wide), rising one semitone per step, so tones 13 and 25 are the same sound as tone 1. The envelope shape and numbers were chosen for this page; they are not copied from any published study.",
  "sample_rate_hz": 48000,
  "f_min_hz": 8.175799,
  "n_partials": 12,
  "step_semitones": 1,
  "n_steps": 25,
  "tone_s": 0.5,
  "gap_s": 0.2,
  "tone_ramp_s": 0.02,
  "envelope": {"shape": "raised_cosine_log", "center_hz": 500.0, "width_octaves": 8.0},
  "fade_in_s": 0.02,
  "fade_out_s": 0.05,
  "level": {"target_lufs": -28.0, "peak_max_dbtp": -12.0},
  "seed": null,
  "analysis": {"min_weight": 0.001}
}