music
audio
speech
autoencoder
diffusion
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  - speech
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  - autoencoder
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  - diffusion
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- ---
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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  - speech
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  - autoencoder
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  - diffusion
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+ ---
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+
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+ # Music2Latent
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+ Encode and decode audio samples to compressed representations! Useful for efficient generative modelling applications and for other downstream tasks.
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+ ![music2latent](music2latent.png)
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+ Read the ISMIR 2024 paper [here](https://arxiv.org/).
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+ Under the hood, __Music2Latent__ uses a __Consistency Autoencoder__ model to efficiently encode and decode audio samples.
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+ 44.1 kHz audio is encoded into a sequence of __~10 Hz__, and each of the latents has 64 channels.
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+ You can then train a generative model on these embeddings, or use them for other downstream tasks.
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+ Music2Latent was trained on __music__ and on __speech__. Refer to the [paper](https://arxiv.org/) for more details.
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+ ## Installation
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+ ```bash
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+ pip install music2latent
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+ ```
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+ The model weights will be downloaded automatically the first time you run the code.
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+
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+
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+ ## How to use
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+ To encode and decode audio samples to/from latent embeddings:
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+ ```bash
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+ audio_path = librosa.example('trumpet')
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+ wv, sr = librosa.load(audio_path, sr=44100)
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+
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+ from music2latent2 import EncoderDecoder
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+ encdec = EncoderDecoder()
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+ latent = encdec.encode(wv)
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+ wv_rec = encdec.decode(latent)
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+ ```
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+ If you need to extract encoder features to use in downstream tasks, and you don't need to reconstruct the audio:
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+ ```bash
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+ features = encoder.encode(wv, extract_features=True)
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+ ```
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+ These features are extracted before the encoder bottleneck, and thus have more channels (contain more information) than the latents used for reconstruction.
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+
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+ music2latent2 supports more advanced usage, inclusing GPU memory management controls. Please refer to __tutorial.ipynb__.
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+
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+ ## License
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+ This library is released under the CC BY-NC 4.0 license. Please refer to the LICENSE file for more details.
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+ This work was conducted by [Marco Pasini](https://twitter.com/marco_ppasini) during his PhD at Queen Mary University of London, in partnership with Sony Computer Science Laboratories Paris.
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+ This work was supervised by Stefan Lattner and George Fazekas.