AnalogTapeModel

Physical modelling signal processing for analog tape recording
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timing_test.py (571B)

      1 import numpy as np
      2 import matplotlib.pyplot as plt
      3 import soundfile as sf
      4 
      5 def toMono (arr):
      6     list = []
      7     for samp in arr:
      8         list.append (samp[0])
      9     return list
     10 
     11 pulse_in, fs = sf.read ("pulse_train.wav")
     12 
     13 pulse_out, fs = sf.read ("PulseTrain_Out.wav")
     14 pulse_out = toMono (pulse_out)
     15 
     16 N = len (pulse_in)
     17 t = np.arange (N)
     18 n = 60000
     19 start = 30000
     20 
     21 plt.plot (t[start:start+n], pulse_in[start:start+n], t[start:start+n], pulse_out[start:start+n])
     22 plt.xlabel ("Time [samples]")
     23 plt.ylabel ("Amplitude")
     24 plt.title ("Real-time Timing Offset (Flutter)")
     25 plt.show()