?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+New+Family+of+Extended+Baum-Welch+Update+Rules+&rft.creator=Kanevsky%2C+Dr+Dimitri&rft.creator=Povey%2C+Dr+Daniel&rft.creator=Ramabhadran%2C+Dr+Bhuvana&rft.creator=Rish%2C+Dr+Irina&rft.creator=Sainath%2C+Dr+Tara&rft.subject=Speech&rft.description=In+this+paper%2C+we+consider+a+generalization+of+the+state-of-art%0D%0Adiscriminative+method+for+optimizing+the+conditional+likelihood+in%0D%0AHidden+Markov+Models+(HMMs)%2C+called+the+Extended+Baum-Welch+(EBW)%0D%0Aalgorithm%2C+that+has+had+significant+impact+on+the+speech+recognition%0D%0Acommunity.+We+propose+a+generalized+form+of+EBW+update+rules+that%0D%0Acan+be+associated+with+a+weighted+sum+of+updated+and+initial+models%2C%0D%0Aand++demonstrate+that+using+novel+update+rules+can+significantly%0D%0Aspeed+up+parameter+estimation+for+Gaussian+mixtures.&rft.date=2008-04-27&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6037%2F1%2Febw.pdf&rft.identifier=++Kanevsky%2C+Dr+Dimitri+and+Povey%2C+Dr+Daniel+and+Ramabhadran%2C+Dr+Bhuvana+and+Rish%2C+Dr+Irina+and+Sainath%2C+Dr+Tara++(2008)+A+New+Family+of+Extended+Baum-Welch+Update+Rules.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6037%2F