Michael Picheny David Nahamoo Vaibhava Goel Brian Kingsbury Bhuvana Ramabhadran Steven J. Rennie George Saon Trends and advances in speech recognition. 2 2011 55 IBM Journal of Research and Development 5 http://dx.doi.org/10.1147/JRD.2011.2163277 db/journals/ibmrd/ibmrd55.html#PichenyNGKRRS11