PTLOC adds per-source local constraints to self-supervised acoustic pre-training via first-order MAML-style updates, reporting improved downstream ASR word error rates over a baseline that is not compute-matched.
In speech related applications, self-supervised pre-training has been actively investigated and broadly used [1–4]
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Heterogeneous Self-Supervised Acoustic Pre-Training with Local Constraints
PTLOC adds per-source local constraints to self-supervised acoustic pre-training via first-order MAML-style updates, reporting improved downstream ASR word error rates over a baseline that is not compute-matched.