نتایج جستجو برای: likelihood combination
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In recent years, sub−band speech recognition has been found useful in robust speech recognition, especially for speech signals contaminated by band−limited noise. In sub−band speech recognition, full band speech is divided into several frequency sub−bands and then sub−band feature vectors or their generated likelihoods by corresponding sub−band recognizers are combined to give the result of rec...
In this paper, we propose a statistical method of evaluating the pronunciation proficiency for presentation in English. We statistically analyze the utterances to find a combination that has a high correlation between an English teacher’s score and some acoustic features. We found that ratio of the likelihoods of free phoneme recognition by using native English HMMs and nonnative English HMMs w...
In this paper, a remedial measure is first proposed to eliminate the effect of autocorrelation in phase-ІІ monitoring of autocorrelated polynomial profiles, where there is a first order autoregressive (AR(1)) relation between the error terms in each profile. Then, a control chart based on the generalized linear test (GLT) is proposed to monitor the coefficients of polynomial profiles and an R-c...
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