TY - CONF T1 - Reduction of non-stationary noise for a robotic living assistant using sparse non-negative matrix factorization JO - Proceedings of the Annual Meeting of the Association for Computational Linguistics PY - 2012/01/01 AU - Cauchi B AU - Goetze S AU - Doclo S ED - SP - 28 EP - 33 Y2 - 2025/10/08 ER -