activity
20232025
most citedConPCO: Preserving Phoneme Characteristics for Automatic Pronunciation Assessment Leveraging Contrastive Ordinal Regularization

1 citations · 2 across the 9 of their papers we have counts for

collaborators

9 papers

cs.CL2025

Multi-task Pretraining for Enhancing Interpretable L2 Pronunciation Assessment

Jiun-Ting Li, Bi-Cheng Yan, Yi-Cheng Wang +1

Automatic pronunciation assessment (APA) analyzes second-language (L2) learners' speech by providing fine-grained pronunciation feedback at various linguistic levels. Most existing…

eess.AS2024

Enhancing Code-Switching ASR Leveraging Non-Peaky CTC Loss and Deep Language Posterior Injection

Tzu-Ting Yang, Hsin-Wei Wang, Yi-Cheng Wang +1

Code-switching-where multilingual speakers alternately switch between languages during conversations-still poses significant challenges to end-to-end (E2E) automatic speech recogni…

cs.CL2024

An Effective Context-Balanced Adaptation Approach for Long-Tailed Speech Recognition

Yi-Cheng Wang, Li-Ting Pai, Bi-Cheng Yan +3

End-to-end (E2E) automatic speech recognition (ASR) models have become standard practice for various commercial applications. However, in real-world scenarios, the long-tailed natu…

cs.CL2024★ 1 cited

Automated Speaking Assessment of Conversation Tests with Novel Graph-based Modeling on Spoken Response Coherence

Jiun-Ting Li, Bi-Cheng Yan, Tien-Hong Lo +3

Automated speaking assessment in conversation tests (ASAC) aims to evaluate the overall speaking proficiency of an L2 (second-language) speaker in a setting where an interlocutor i…

eess.AS2024★ 1 cited

ConPCO: Preserving Phoneme Characteristics for Automatic Pronunciation Assessment Leveraging Contrastive Ordinal Regularization

Bi-Cheng Yan, Wei-Cheng Chao, Jiun-Ting Li +4

Automatic pronunciation assessment (APA) manages to evaluate the pronunciation proficiency of a second language (L2) learner in a target language. Existing efforts typically draw o…

cs.CL2024

DANCER: Entity Description Augmented Named Entity Corrector for Automatic Speech Recognition

Yi-Cheng Wang, Hsin-Wei Wang, Bi-Cheng Yan +2

End-to-end automatic speech recognition (E2E ASR) systems often suffer from mistranscription of domain-specific phrases, such as named entities, sometimes leading to catastrophic f…

cs.CL2024

An Effective Mixture-Of-Experts Approach For Code-Switching Speech Recognition Leveraging Encoder Disentanglement

Tzu-Ting Yang, Hsin-Wei Wang, Yi-Cheng Wang +2

With the massive developments of end-to-end (E2E) neural networks, recent years have witnessed unprecedented breakthroughs in automatic speech recognition (ASR). However, the codes…

eess.AS2023

Preserving Phonemic Distinctions for Ordinal Regression: A Novel Loss Function for Automatic Pronunciation Assessment

Bi-Cheng Yan, Hsin-Wei Wang, Yi-Cheng Wang +3

Automatic pronunciation assessment (APA) manages to quantify the pronunciation proficiency of a second language (L2) learner in a language. Prevailing approaches to APA normally le…

cs.IR2023

AVATAR: Robust Voice Search Engine Leveraging Autoregressive Document Retrieval and Contrastive Learning

Yi-Cheng Wang, Tzu-Ting Yang, Hsin-Wei Wang +2

Voice, as input, has progressively become popular on mobiles and seems to transcend almost entirely text input. Through voice, the voice search (VS) system can provide a more natur…