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| import librosa | |
| import gradio as gr | |
| import pedalboard | |
| import soundfile as sf | |
| from pedalboard import Compressor, Gain, Phaser, Reverb | |
| def inference(audio): | |
| y, sr = librosa.load(audio.name, sr=44100) | |
| board = pedalboard.Pedalboard([ | |
| Compressor(ratio=10, threshold_db=-20), | |
| Gain(gain_db=20), | |
| Phaser(), | |
| Reverb() | |
| ], sample_rate=sr) | |
| effected = board.process(y) | |
| with sf.SoundFile('./processed-output-stereo.wav', 'w', samplerate=sr, channels=len(effected.shape)) as f: | |
| f.write(effected) | |
| return './processed-output-stereo.wav' | |
| inputs = gr.inputs.Audio(label="Input Audio", type="file") | |
| outputs = gr.outputs.Audio(label="Output Audio", type="file") | |
| title = "PedalBoard" | |
| description = "Gradio demo for PedalBoard: A Python library for adding effects to audio. To use it, simply add your audio, or click one of the examples to load them. Read more at the links below." | |
| article = "<p style='text-align: center'><a href='https://engineering.atspotify.com/2021/09/07/introducing-pedalboard-spotifys-audio-effects-library-for-python/' target='_blank'>Introducing Pedalboard: Spotify’s Audio Effects Library for Python</a> | <a href='https://github.com/spotify/pedalboard' target='_blank'>Github Repo</a></p>" | |
| examples = [['sample.wav']] | |
| gr.Interface(inference, inputs, outputs, title=title, description=description, article=article, examples=examples, enable_queue=True).launch(debug=True) |