Discovering speech phones using convolutive non-negative matrix factorisation with a sparseness constraint.

Paul D. O'Grady Barak A. Pearlmutter Discovering speech phones using convolutive non-negative matrix factorisation with a sparseness constraint. 88-101 2008 72 Neurocomputing 1-3 http://dx.doi.org/10.1016/j.neucom.2008.01.033 db/journals/ijon/ijon72.html#OGradyP08