Automatic Speech Recognition (ASR) for the Diagnosis of pronunciation of Speech Sound Disorders in Korean children

Taekyung Ahn; Yeonjung Hong; Younggon Im; Do Hyung Kim; Dayoung Kang; Joo Won Jeong; Jae Won Kim; Min Jung Kim; Ah-ra Cho; Dae-Hyun Jang; Hosung Nam

arXiv · 2403.08187

Automatic Speech Recognition (ASR) for the Diagnosis of pronunciation of Speech Sound Disorders in Korean children

Taekyung Ahn·Yeonjung Hong·Younggon Im·Do Hyung Kim·Dayoung Kang·Joo Won Jeong·Jae Won Kim·Min Jung Kim·Ah-ra Cho·Dae-Hyun Jang·Hosung Nam

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Abstract

This study presents a model of automatic speech recognition (ASR) designed to diagnose pronunciation issues in children with speech sound disorders (SSDs) to replace manual transcriptions in clinical procedures. Since ASR models trained for general purposes primarily predict input speech into real words, employing a well-known high-performance ASR model for evaluating pronunciation in children with SSDs is impractical. We fine-tuned the wav2vec 2.0 XLS-R model to recognize speech as pronounced rather than as existing words. The model was fine-tuned with a speech dataset from 137 children with inadequate speech production pronouncing 73 Korean words selected for actual clinical diagnosis. The model's predictions of the pronunciations of the words matched the human annotations with about 90% accuracy. While the model still requires improvement in recognizing unclear pronunciation, this study demonstrates that ASR models can streamline complex pronunciation error diagnostic procedures in clinical fields.

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Taekyung Ahn, Yeonjung Hong, Younggon Im, Do Hyung Kim, Dayoung Kang, Joo Won Jeong, Jae Won Kim, Min Jung Kim, Ah-ra Cho, Dae-Hyun Jang, Hosung Nam. 2024-03-13. Automatic Speech Recognition (ASR) for the Diagnosis of pronunciation of Speech Sound Disorders in Korean children. https://arxiv.org/abs/2403.08187

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