?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Generalization+of+Extended+Baum-Welch+Parameter+Estimation+for+Discriminative+Training+and+Decoding&rft.creator=Kanevsky%2C+Dr+Dimitri&rft.creator=Sainath%2C+Dr+Tara&rft.creator=Ramabhadran%2C+Dr+Bhuvana+&rft.creator=Nahamoo%2C+Dr+David&rft.subject=Speech&rft.description=We+demonstrate+the+generalizability+of+the+Extended+Baum-Welch+(EBW)+algorithm+not+only+for+HMM+parameter+estimation+but+for+decoding+as+well.%0D%0AWe+show+that+there+can+exist+a+general+function+associated+with+the+objective+function++under+EBW+that+reduces+to+the+well-known+auxiliary+function+used+in+the+Baum-Welch+algorithm+for+maximum+likelihood+estimates.%0D%0AWe++generalize+representation++for+the+updates+of+model+parameters+by+making+use+of+a+differentiable+function+(such+as+arithmetic+or+geometric%0D%0Amean)+on+the+updated+and+current+model+parameters+and+describe+their+effect+on+the+learning+rate+during+HMM+parameter+estimation.++Improvements+on+speech+recognition+tasks+are+also+presented+here.&rft.date=2008-04-27&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6038%2F1%2Fmain_v5.pdf&rft.identifier=++Kanevsky%2C+Dr+Dimitri+and+Sainath%2C+Dr+Tara+and+Ramabhadran%2C+Dr+Bhuvana++and+Nahamoo%2C+Dr+David++(2008)+Generalization+of+Extended+Baum-Welch+Parameter+Estimation+for+Discriminative+Training+and+Decoding.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6038%2F