activity
20242026
collaborators

6 papers

eess.IV2026

SCENE: Semantic-aware Codec Enhancement with Neural Embeddings

Han-Yu Lin, Li-Wei Chen, Hung-Shin Lee

Compression artifacts from standard video codecs often degrade perceptual quality. We propose a lightweight, semantic-aware pre-processing framework that enhances perceptual fideli…

cs.SD2025

DRASP: A Dual-Resolution Attentive Statistics Pooling Framework for Automatic MOS Prediction

Cheng-Yeh Yang, Kuan-Tang Huang, Chien-Chun Wang +3

A pooling mechanism is essential for mean opinion score (MOS) prediction, facilitating the transformation of variable-length audio features into a concise fixed-size representation…

cs.SD2025

Revealing the Role of Audio Channels in ASR Performance Degradation

Kuan-Tang Huang, Li-Wei Chen, Hung-Shin Lee +2

Pre-trained automatic speech recognition (ASR) models have demonstrated strong performance on a variety of tasks. However, their performance can degrade substantially when the inpu…

cs.SD2025

QAMRO: Quality-aware Adaptive Margin Ranking Optimization for Human-aligned Assessment of Audio Generation Systems

Chien-Chun Wang, Kuan-Tang Huang, Cheng-Yeh Yang +3

Evaluating audio generation systems, including text-to-music (TTM), text-to-speech (TTS), and text-to-audio (TTA), remains challenging due to the subjective and multi-dimensional n…

cs.SD2024

VoxHakka: A Dialectally Diverse Multi-speaker Text-to-Speech System for Taiwanese Hakka

Li-Wei Chen, Hung-Shin Lee, Chen-Chi Chang

This paper introduces VoxHakka, a text-to-speech (TTS) system designed for Taiwanese Hakka, a critically under-resourced language spoken in Taiwan. Leveraging the YourTTS framework…

cs.SD2024

Effective Noise-aware Data Simulation for Domain-adaptive Speech Enhancement Leveraging Dynamic Stochastic Perturbation

Chien-Chun Wang, Li-Wei Chen, Hung-Shin Lee +2

Cross-domain speech enhancement (SE) is often faced with severe challenges due to the scarcity of noise and background information in an unseen target domain, leading to a mismatch…