Papers › Wavesplit: End-to-End Speech Separation by Speaker Clustering
Wavesplit: End-to-End Speech Separation by Speaker Clustering
Neil Zeghidour, David Grangier
We introduce Wavesplit, an end-to-end source separation system. From a single mixture, the model infers a representation for each source and then estimates each source signal given the inferred representations. The model is trained to jointly perform both tasks from the raw waveform. Wavesplit infers a set of source representations via clustering, which addresses the fundamental permutation problem of separation. For speech separation, our sequence-wide speaker representations provide a more robust separation of long, challenging recordings compared to prior work. Wavesplit redefines the state-of-the-art on clean mixtures of 2 or 3 speakers (WSJ0-2/3mix), as well as in noisy and reverberated settings (WHAM/WHAMR). We also set a new benchmark on the recent LibriMix dataset. Finally, we show that Wavesplit is also applicable to other domains, by separating fetal and maternal heart rates from a single abdominal electrocardiogram.
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Speech Separation | WHAMR! | Wavesplit | SI-SDRi | 13.2 | #9 of 18 | Archive leaderboard | report |
| Speech Separation | WSJ0-2mix | Wavesplit v2 | SDRi | 22.3 | #16 of 40 | Archive leaderboard | report |
| Speech Separation | WSJ0-2mix | Wavesplit v2 | SI-SDRi | 22.2 | #16 of 40 | Archive leaderboard | report |
| Speech Separation | WSJ0-2mix | Wavesplit v1 | SI-SDRi | 19.0 | #27 of 40 | Archive leaderboard | report |
Ranks are positions in the archive's leaderboards as they stood at the 2025-07-28 snapshot. Results published since then are not among these rows, so a rank here is not a current standing.
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