activity
20202026
most citedCross-utterance Reranking Models with BERT and Graph Convolutional Networks for Conversational Speech Recognition

5 citations · 14 across the 13 of their papers we have counts for

collaborators

14 papers

cs.CL2026

LOPA: Enhancing Spoken Language Assessment via Latent Ordinal Prototype Alignment

Hong-Yun Lin, Fu-An Chao, Bi-Cheng Yan +1

Fueled by increasing model scale and multimodal inputs, Multimodal Large Language Models (MLLMs) have emerged as a promising paradigm for Spoken Language Assessment (SLA). While ef…

eess.AS2025

HiPPO: Exploring A Novel Hierarchical Pronunciation Assessment Approach for Spoken Languages

Bi-Cheng Yan, Hsin-Wei Wang, Fu-An Chao +3

Automatic pronunciation assessment (APA) seeks to quantify a second language (L2) learner's pronunciation proficiency in a target language by offering timely and fine-grained diagn…

cs.CL2025

Probing the Hidden Talent of ASR Foundation Models for L2 English Oral Assessment

Fu-An Chao, Bi-Cheng Yan, Berlin Chen

In this paper, we explore the untapped potential of Whisper, a well-established automatic speech recognition (ASR) foundation model, in the context of L2 spoken language assessment…

eess.AS2025

Towards Efficient and Multifaceted Computer-assisted Pronunciation Training Leveraging Hierarchical Selective State Space Model and Decoupled Cross-entropy Loss

Fu-An Chao, Berlin Chen

Prior efforts in building computer-assisted pronunciation training (CAPT) systems often treat automatic pronunciation assessment (APA) and mispronunciation detection and diagnosis…

cs.SD2024

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

Tien-Hong Lo, Fu-An Chao, Tzu-I Wu +2

Automated speaking assessment (ASA) typically involves automatic speech recognition (ASR) and hand-crafted feature extraction from the ASR transcript of a learner's speech. Recentl…

eess.AS2023

A Hierarchical Context-aware Modeling Approach for Multi-aspect and Multi-granular Pronunciation Assessment

Fu-An Chao, Tien-Hong Lo, Tzu-I Wu +2

Automatic Pronunciation Assessment (APA) plays a vital role in Computer-assisted Pronunciation Training (CAPT) when evaluating a second language (L2) learner's speaking proficiency…

cs.SD2022

3M: An Effective Multi-view, Multi-granularity, and Multi-aspect Modeling Approach to English Pronunciation Assessment

Fu-An Chao, Tien-Hong Lo, Tzu-I Wu +2

As an indispensable ingredient of computer-assisted pronunciation training (CAPT), automatic pronunciation assessment (APA) plays a pivotal role in aiding self-directed language le…

eess.AS2021

Cross-domain Single-channel Speech Enhancement Model with Bi-projection Fusion Module for Noise-robust ASR

Fu-An Chao, Jeih-weih Hung, Berlin Chen

In recent decades, many studies have suggested that phase information is crucial for speech enhancement (SE), and time-domain single-channel speech enhancement techniques have show…

eess.AS2021★ 2 cited

Maximum F1-score training for end-to-end mispronunciation detection and diagnosis of L2 English speech

Bi-Cheng Yan, Shao-Wei Fan Jiang, Fu-An Chao +1

End-to-end (E2E) neural models are increasingly attracting attention as a promising modeling approach for mispronunciation detection and diagnosis (MDD). Typically, these models ar…

cs.MM2021★ 2 cited

Towards Robust Mispronunciation Detection and Diagnosis for L2 English Learners with Accent-Modulating Methods

Shao-Wei Fan Jiang, Bi-Cheng Yan, Tien-Hong Lo +2

With the acceleration of globalization, more and more people are willing or required to learn second languages (L2). One of the major remaining challenges facing current mispronunc…

eess.AS2021★ 3 cited

TENET: A Time-reversal Enhancement Network for Noise-robust ASR

Fu-An Chao, Shao-Wei Fan Jiang, Bi-Cheng Yan +2

Due to the unprecedented breakthroughs brought about by deep learning, speech enhancement (SE) techniques have been developed rapidly and play an important role prior to acoustic m…

cs.CL2021★ 5 cited

Cross-utterance Reranking Models with BERT and Graph Convolutional Networks for Conversational Speech Recognition

Shih-Hsuan Chiu, Tien-Hong Lo, Fu-An Chao +1

How to effectively incorporate cross-utterance information cues into a neural language model (LM) has emerged as one of the intriguing issues for automatic speech recognition (ASR)…

eess.AS2021★ 2 cited

The NTNU Taiwanese ASR System for Formosa Speech Recognition Challenge 2020

Fu-An Chao, Tien-Hong Lo, Shi-Yan Weng +3

This paper describes the NTNU ASR system participating in the Formosa Speech Recognition Challenge 2020 (FSR-2020) supported by the Formosa Speech in the Wild project (FSW). FSR-20…

eess.AS2020

The NTNU System at the Interspeech 2020 Non-Native Children's Speech ASR Challenge

Tien-Hong Lo, Fu-An Chao, Shi-Yan Weng +1

This paper describes the NTNU ASR system participating in the Interspeech 2020 Non-Native Children's Speech ASR Challenge supported by the SIG-CHILD group of ISCA. This ASR shared…