A Unified Speaker Adaptation Approach for ASR (2021.emnlp-main)

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Challenge: Adapting a model to target speakers requires a lot of compute and may cause catastrophic forgetting to the existing speakers.
Approach: They propose a unified speaker adaptation approach consisting of feature adaptation and model adaptation.
Outcome: The proposed model outperforms baseline models with 20.58% relative WER reduction and surpasses finetuning method by 2.54% on target speaker adaptation.

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