CONF Hou_ICASSP-2_2026/IDIAP INFLUENCE OF CLEAN SPEECH CHARACTERISTICS ON SPEECH ENHANCEMENT PERFORMANCE Hou, Mingchi Kodrasi, Ina EXTERNAL https://publications.idiap.ch/attachments/papers/2026/Hou_ICASSP-2_2026.pdf PUBLIC Proceedings of the 2026 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2026