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#!/usr/bin/env python3
import wave, struct, math
SAMPLE_RATE = 32000
FREQ = 440.0
DURATION = 1.0
AMPLITUDE = 32767
samples = [int(AMPLITUDE * math.sin(2 * math.pi * FREQ * i / SAMPLE_RATE))
for i in range(int(SAMPLE_RATE * DURATION))]
with wave.open("sine_440.wav", "w") as f:
f.setnchannels(1)
f.setsampwidth(2)
f.setframerate(SAMPLE_RATE)
f.writeframes(struct.pack(f"<{len(samples)}h", *samples))
print(f"Written sine_440.wav: {FREQ}Hz, {DURATION}s, {SAMPLE_RATE}Hz mono")
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