24 lines
963 B
Python
24 lines
963 B
Python
import numpy as np
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import sounddevice as sd
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def play_tone(frequency=440.0, duration=1.0, volume=0.2, sample_rate=44_100):
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"""
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Spielt einen Sinuston ab.
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frequency: Hz
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duration: Sekunden
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volume: 0.0–1.0
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sample_rate: Abtastrate in Hz
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"""
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t = np.linspace(0, duration, int(sample_rate * duration), endpoint=False)
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wave = (volume * np.sin(2 * np.pi * frequency * t)).astype(np.float32)
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sd.play(wave, samplerate=sample_rate, blocking=True)
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if __name__ == "__main__":
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import argparse
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ap = argparse.ArgumentParser(description="Spiele einen Ton")
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ap.add_argument("-f", "--frequency", type=float, default=440.0, help="Frequenz in Hz (z.B. 440)")
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ap.add_argument("-t", "--time", type=float, default=1.0, help="Dauer in Sekunden (z.B. 1.5)")
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ap.add_argument("-v", "--volume", type=float, default=0.2, help="Lautstärke 0.0–1.0")
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args = ap.parse_args()
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play_tone(args.frequency, args.time, args.volume)
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