gradio/demo/generate_tone/run.py

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import numpy as np
import gradio as gr
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notes = ["C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"]
def generate_tone(note, octave, duration):
sr = 48000
a4_freq, tones_from_a4 = 440, 12 * (octave - 4) + (note - 9)
frequency = a4_freq * 2 ** (tones_from_a4 / 12)
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duration = int(duration)
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audio = np.linspace(0, duration, duration * sr)
audio = (20000 * np.sin(audio * (2 * np.pi * frequency))).astype(np.int16)
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return sr, audio
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demo = gr.Interface(
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generate_tone,
[
gr.Dropdown(notes, type="index"),
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gr.Slider(4, 6, step=1),
gr.Textbox(value="1", label="Duration in seconds"),
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],
"audio",
)
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if __name__ == "__main__":
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demo.launch()