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Tien-Hong Lo

3 accepted papers

2024

An Effective Automated Speaking Assessment Approach to Mitigating Data Scarcity and Imbalanced Distribution

NAACL 2024findings

Automated speaking assessment (ASA) typically involves automatic speech recognition (ASR) and hand-crafted feature extraction from the ASR transcript of a learner’s speech. Recently, self-supervised learning (SSL) has shown stellar performance compared to traditional methods. However, SSL-based ASA…

Cited by 4SourcePDFScholar
2024

An Effective Pronunciation Assessment Approach Leveraging Hierarchical Transformers and Pre-training Strategies

ACL 2024long

Automatic pronunciation assessment (APA) manages to quantify a second language (L2) learner’s pronunciation proficiency in a target language by providing fine-grained feedback with multiple pronunciation aspect scores at various linguistic levels. Most existing efforts on APA typically parallelize t…

2020

Spoken Document Retrieval Leveraging Bert-Based Modeling and Query Reformulation

ICASSP 2020accepted

Spoken document retrieval (SDR) has long been deemed a fundamental and important step towards efficient organization of, and access to multimedia associated with spoken content. In this paper, we present a novel study of SDR leveraging the Bidirectional Encoder Representations from Transformers (BER…

Cited by 0SourceScholar