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Harald Schäfer
20 lines
554 B
Python
20 lines
554 B
Python
import numpy as np
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from scipy.io import wavfile
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sr = 48000
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max_int16 = 2**15 - 1
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def harmonic_beep(freq, duration_seconds):
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n_total = int(sr * duration_seconds)
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signal = np.sin(2 * np.pi * freq * np.arange(n_total) / sr)
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x = np.arange(n_total)
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exp_scale = np.exp(-x/5.5e3)
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return max_int16 * signal * exp_scale
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engage_beep = harmonic_beep(1661.219, 0.5)
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wavfile.write("engage.wav", sr, engage_beep.astype(np.int16))
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disengage_beep = harmonic_beep(1318.51, 0.5)
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wavfile.write("disengage.wav", sr, disengage_beep.astype(np.int16))
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