collaborators

5 papers

cs.SD2026

Toward Elastic Speech Inference: Training-Free Wake-Word Detection from Pretrained ASR

Hwayeon Kim, Youngwon Choi, Hyeonyu Kim

Recent ASR development has placed growing emphasis on generalization across diverse domains and acoustic conditions. Existing approaches typically adapt pretrained ASR models to fr…

cs.CL2026

Do Spoken Language Models Hear Speech as They Read Text? Bridging Structural Gaps Between Speech and Text

Hyeonyu Kim, Hwayeon Kim, Youngwon Choi +2

Spoken Language Models (SLMs) generate textual responses directly from speech, offering an alternative to cascaded systems. Despite recent advances, existing SLMs still exhibit wea…

cs.SD2026

ZeSTA: Zero-Shot TTS Augmentation with Domain-Conditioned Training for Data-Efficient Personalized Speech Synthesis

Youngwon Choi, Jinwoo Oh, Hwayeon Kim +1

We investigate the use of zero-shot text-to-speech (ZS-TTS) as a data augmentation source for low-resource personalized speech synthesis. While synthetic augmentation can provide l…

cs.SD2025

Exploring Fine-Tuning of Large Audio Language Models for Spoken Language Understanding under Limited Speech Data

Youngwon Choi, Jaeyoon Jung, Hyeonyu Kim +2

Large Audio Language Models (LALMs) have emerged as powerful tools for speech-related tasks but remain underexplored for fine-tuning, especially with limited speech data. To bridge…

cs.HC2025

DESAMO: A Device for Elder-Friendly Smart Homes Powered by Embedded LLM with Audio Modality

Youngwon Choi, Donghyuk Jung, Hwayeon Kim

We present DESAMO, an on-device smart home system for elder-friendly use powered by Audio LLM, that supports natural and private interactions. While conventional voice assistants r…