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import io
import numpy as np
import pedalboard as pb
import pydub
import soundfile as sf
import streamlit as st
from audio_recorder_streamlit import audio_recorder
def stretch(audio, factor):
buffer = []
for s in audio:
for _ in range(factor):
buffer.append(s)
return np.array(buffer)
st.title("👹 Sound Refukculator")
audio = np.array([])
source = st.radio("Choose source", ["Microphone", "File upload"])
if source == "Microphone":
audio_bytes = audio_recorder()
if audio_bytes:
audio, sr = sf.read(io.BytesIO(audio_bytes))
else:
audio_bytes = st.file_uploader("Upload file")
if audio_bytes:
if audio_bytes.name.endswith("mp3"):
audio = pydub.AudioSegment.from_mp3(audio_bytes)
sr = audio.frame_rate
audio = np.float32(audio.get_array_of_samples()) / 2**15
else:
audio, sr = sf.read(audio_bytes)
if audio.any():
st.write("Original sound:")
st.audio(audio.T, sample_rate=sr)
cols = st.columns(5)
chunk_dividend = cols[0].slider("🫀 Chunkizer", 16, 128, step=16)
prob = cols[1].slider("🤡 Impredictidiblize", 0, 100, 0)
stretch_factor = cols[2].slider("🧌 Trollizer", 0, 10, 0)
reps = cols[3].slider("🫣 Repetizer", 0, 1, 0)
rev_size = cols[4].slider("🚛 Hugermaker", 0.0, 0.09, 0.0)
delay_macro = cols[0].slider("🪐 Spaceometer", 0.01, 0.09, 0.0)
rounder = cols[1].slider("🤔 Rounder", 0, 100, 0)
pshift = cols[2].slider("😱 Tonermaker", 0, 1, 0)
reverse = cols[3].slider("🧶 Revolver", 0, 1, 0)
sr_factor = cols[4].slider("🏃♀️ Chirpidize", 1, 16, 1)
delay = pb.Pedalboard(
[pb.Delay(delay_seconds=delay_macro, feedback=delay_macro * 5)]
)
reverb = pb.Pedalboard([pb.Reverb(room_size=rev_size)])
chorus = pb.Pedalboard([pb.Chorus(rate_hz=rounder)])
pshifter7 = pb.Pedalboard([pb.PitchShift(-7)])
pshifter3 = pb.Pedalboard([pb.PitchShift(-3)])
pshifter5 = pb.Pedalboard([pb.PitchShift(-5)])
pshifter12 = pb.Pedalboard([pb.PitchShift(-12)])
processed = []
chunk_dividend = sorted(np.random.randint(audio.shape[0], size=chunk_dividend))
for i, chunk in enumerate(np.array_split(audio, chunk_dividend)):
chunk = (
stretch(chunk, stretch_factor)
if np.random.randint(100) < prob and stretch_factor
else chunk
)
chunk = (
reverb(chunk, sample_rate=sr, reset=False)
if np.random.randint(100) < prob and rev_size
else chunk
)
chunk = (
delay(chunk, sample_rate=sr, reset=False)
if np.random.randint(100) < prob and delay_macro
else chunk
)
chunk = (
chorus(chunk, sample_rate=sr, reset=False)
if np.random.randint(100) < prob and rounder
else chunk
)
chunk = (
pshifter7(chunk, sample_rate=sr, reset=True)
if np.random.randint(100) < prob and pshift
else chunk
)
chunk = (
pshifter3(chunk, sample_rate=sr, reset=True)
if np.random.randint(100) < prob and pshift
else chunk
)
chunk = (
pshifter5(chunk, sample_rate=sr, reset=True)
if np.random.randint(100) < prob and pshift
else chunk
)
chunk = (
pshifter12(chunk, sample_rate=sr, reset=True)
if np.random.randint(100) < prob and pshift
else chunk
)
chunk = np.concatenate([chunk, chunk]) if np.random.randint(100) < prob and reps else chunk
chunk = np.flip(chunk) if np.random.randint(100) < prob and reverse else chunk
processed += [s for s in chunk]
processed = np.array(processed)
reverb = pb.Pedalboard([pb.Reverb(room_size=0.3)])
# processed = reverb(processed, sr, reset=False)
compressor = pb.Pedalboard([pb.Limiter(threshold_db=-1)])
processed = compressor(processed, sr, reset=False)
st.write("Refukculized sound:")
st.audio(processed.T, sample_rate=sr * sr_factor)
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