Implement saw wave and honk waveform
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parent
838cdb1487
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5bba29570e
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@ -10,7 +10,7 @@ bitrate = 44100
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note = []
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for i in range(0, 24):
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note.append([yue.tone(yue.freq(3, i), j / bitrate) / 4 for j in range(0, 3 * bitrate)])
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note.append([yue.seething(yue.freq(4, i), j / bitrate) / 4 for j in range(0, 3 * bitrate)])
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sd.default.samplerate = bitrate
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print("READY")
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17
yue.py
17
yue.py
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@ -8,6 +8,13 @@ bitrate = 44100
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music = []
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def saw(x):
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"""
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Sawtooth wave
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"""
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return x / 2 / math.pi % 1
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def freq(octave, step):
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"""
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Returns the frequency of a note
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@ -45,6 +52,16 @@ def seething(f, t):
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return Y
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def honk(f, t):
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"""
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Returns the intensity of the "honk" waveform of frequency f sampled at time t
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"""
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w = 2 * math.pi * f
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Y = sum([(saw(i * w * t) / 3 + math.sin(i * w * t)) * math.exp(-0.002 * w * t) for i in range(1, 6)]) / 2
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Y = math.copysign(abs(Y) ** (1 / 2), Y)
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return Y
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def at(t):
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"""
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Returns the total intensity of music sampled at time t
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