research L2 Speech Synthesizer generate non-native English utterances using publicly-available l2-arctic data. Speech Enhancement a demo of using an SE model (CD-TENET) for noise-robust ASR at low-SNR levels. work GEPT The General English Proficiency Test, developed by the LTTC, targets English learners at all levels in Taiwan. TEEMI an automatic pronunciation scoring system for Taiwanese college students to improve their English speaking proficiency.