@incollection{NIPS2005_324,
 author = {Fei {Sha} and Lawrence {Saul}},
 title = {Real-Time Pitch Determination of One or More Voices by Nonnegative Matrix Factorization},
 booktitle = {Advances in Neural Information Processing Systems 17},
 editor = {Lawrence K. Saul and Yair Weiss and {L\'{e}on} Bottou},
 publisher = {MIT Press},
 address = {Cambridge, MA},
 pages = {1233-1240},
 year = {2005},
 original = "1233_324.PDF",

}