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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) | |