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-rw-r--r--keyboard.py2
-rw-r--r--yue.py17
2 files changed, 18 insertions, 1 deletions
diff --git a/keyboard.py b/keyboard.py
index 73892ea..6dd05f0 100644
--- a/keyboard.py
+++ b/keyboard.py
@@ -10,7 +10,7 @@ bitrate = 44100
note = []
for i in range(0, 24):
- note.append([yue.tone(yue.freq(3, i), j / bitrate) / 4 for j in range(0, 3 * bitrate)])
+ note.append([yue.seething(yue.freq(4, i), j / bitrate) / 4 for j in range(0, 3 * bitrate)])
sd.default.samplerate = bitrate
print("READY")
diff --git a/yue.py b/yue.py
index 5ded276..7435d48 100644
--- a/yue.py
+++ b/yue.py
@@ -8,6 +8,13 @@ bitrate = 44100
music = []
+def saw(x):
+ """
+ Sawtooth wave
+ """
+ return x / 2 / math.pi % 1
+
+
def freq(octave, step):
"""
Returns the frequency of a note
@@ -45,6 +52,16 @@ def seething(f, t):
return Y
+def honk(f, t):
+ """
+ Returns the intensity of the "honk" waveform of frequency f sampled at time t
+ """
+ w = 2 * math.pi * f
+ 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
+ Y = math.copysign(abs(Y) ** (1 / 2), Y)
+ return Y
+
+
def at(t):
"""
Returns the total intensity of music sampled at time t