A discriminative approach to polyphonic piano note transcription using supervised non-negative matrix factorization. - Felix Weninger; Christian Kirst; Björn W. Schuller; Hans-Joachim Bungartz (ICASSP, 2013)

On-Line NMF-Based Stereo Up-Mixing of Speech Improves Perceived Reduction of Non-Stationary Noise. - Christian Kirst; Felix Weninger; Cyril Joder; Peter Grosche; Jürgen T. Geiger; Björn W. Schuller (Semantic Audio, 2014)