gradio/demo/generate_tone.py
2020-08-21 14:20:05 -07:00

26 lines
772 B
Python

# Demo: (Dropdown, Slider, Textbox) -> (Audio)
import gradio as gr
import numpy as np
import random
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)
duration = int(duration)
audio = np.linspace(0, duration, duration * sr)
audio = (20000 * np.sin(audio * (2 * np.pi * frequency))).astype(np.int16)
return (sr, audio)
gr.Interface(
generate_tone,
[
gr.inputs.Dropdown(notes, type="index"),
gr.inputs.Slider(4, 6, step=1),
gr.inputs.Textbox(type="number", default=1, label="Duration in seconds")
], "audio").launch()