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@5shekel
Created September 8, 2023 07:25
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# an LLM attempt at an https://noisio.de/boards/levitation-oscillator
import streamlit as st
import numpy as np
from pydub import AudioSegment
from pydub.playback import play
import tempfile
def generate_sine_wave(frequency, amplitude, phase, duration, sample_rate):
t = np.linspace(0, duration, int(sample_rate * duration), endpoint=False)
return amplitude * np.sin(2 * np.pi * frequency * t + phase)
def combine_oscillators(oscillators, duration, sample_rate):
combined_wave = np.zeros(int(sample_rate * duration))
for osc in oscillators:
wave = generate_sine_wave(
osc['frequency'],
osc['amplitude'],
osc['phase'],
duration,
sample_rate
)
combined_wave += wave
return combined_wave
st.title('Multi-Oscillator App with Phase and Playback')
# Default parameters
duration = 5 # 5 seconds
sample_rate = 44100
# Sliders for four oscillators
oscillators = []
for i in range(1, 5):
st.subheader(f'Oscillator {i}')
frequency = st.slider(f'Frequency {i} (Hz)', 100.0, 2000.0, 440.0)
amplitude = st.slider(f'Amplitude {i}', 0.1, 1.0, 0.2)
phase = st.slider(f'Phase {i} (Radians)', 0.0, 2*np.pi, 0.0)
oscillators.append({"frequency": frequency, "amplitude": amplitude, "phase": phase})
# Generate and plot the combined wave
combined_wave = combine_oscillators(oscillators, duration, sample_rate)
st.line_chart(combined_wave[:5000])
# Convert the wave to 16-bit PCM WAV format
combined_wave_16bit = np.int16(combined_wave / np.max(np.abs(combined_wave)) * 32767)
# Streamlit audio player
st.audio(combined_wave_16bit, format='audio/wav', sample_rate=sample_rate, )
# Play the combined wave continuously
def play_audio(wave, sample_rate):
wave = np.int16(wave / np.max(np.abs(wave)) * 32767)
audio_segment = AudioSegment(
wave.tobytes(),
frame_rate=sample_rate,
sample_width=2, # 16-bit PCM
channels=1
)
play(audio_segment)
if st.checkbox('Play'):
play_audio(combined_wave, sample_rate)
else:
st.stop()
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