text: SAMPLE_RATE = 16000
  FRAMES_PER_SEC = 100
  
  WINDOW_SIZE = 2048
  HOP_SIZE = 160
  PAD_MODE = "reflect"
  WINDOW = "hann"
  CHANNELS_NUM = 1
  
  NOTES_NUM_EXCLUDE_SILENCE = 88
  NOTES_NUM = NOTES_NUM_EXCLUDE_SILENCE + 1
  BEGIN_NOTE = 21
  N_FFT = WINDOW_SIZE
  