DIGITAL SPEECH PROC
DIGITAL SPEECH PROC ECE 259A
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This 1 page Class Notes was uploaded by Spencer Ondricka on Thursday October 22, 2015. The Class Notes belongs to ECE 259A at University of California Santa Barbara taught by L. Rabiner in Fall. Since its upload, it has received 52 views. For similar materials see /class/227027/ece-259a-university-of-california-santa-barbara in ELECTRICAL AND COMPUTER ENGINEERING at University of California Santa Barbara.
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Date Created: 10/22/15
Correction to quotA Tutorial on Hidden Markov Models and Selected Applications in Speech Recognitionquot Lawrence R Rabiner Proc IEEE Feb 1989 p 271 Comparison of HMlVIs based on correction provided by Vladimir Petroff There is an error in the equation before numbered equation 88 the correct equation should read pq2pqr 1 2r S The term r was inadvertently omitted from the equation in the tutorial p 272 Scaling Section After equation 90 Consider the computation of 041 We use the notation 041 to denote the unscaled 03 amp1 to denote the scaled and iterated MS and 020 to denote the local version of a before scaling For each I we rst compute amp1 according to the induction formula 20 in terms of the previously scaled 020 021 20240 affix0 We determine the scaling coefficient 0 as 1 Ct NA ma 11 giving 0221 02021 so that equation 91a can be written as A N A 0221 Z c 02211 a wot 1 We can now write the scaled 01 as 20211 a IMO j1 Z Z 0210 a b 0 11 1 0221 By induction we can write 5 as 91 21 91b 91c 92a 92b