Reference-Free Foreign Accent Conversion System and Method
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United States of America Patent
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Oct 19, 2023
app pub date -
Aug 24, 2021
filing date -
Aug 24, 2020
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Abstract
Provided herein is a reference-free foreign accent conversion (FAC) computer system and methods for training models, utilizing a library of algorithms, to directly transform utterances from a foreign, non-native speaker (L2) or second language (L2) speaker to have the accent of a native (L1) speaker. The models in the reference-free FAC computer system are a speech-independent acoustic model to extract speaker independent speech embeddings from an L1 speaker utterance and/or the L2 speaker, a speech synthesizer to generate L1 speaker reference-based golden-speaker utterances and a pronunciation correction model to generate a L2 speaker reference-free golden speaker utterances.
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