Measurement of Voice Onset Time in Maxillectomy Patients

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Measurement of Voice Onset Time in Maxillectomy Patients

Objective speech evaluation using acoustic measurement is needed for the proper rehabilitation of maxillectomy patients. For digital evaluation of consonants, measurement of voice onset time is one option. However, voice onset time has not been measured in maxillectomy patients as their consonant sound spectra exhibit unique characteristics that make the measurement of voice onset time challeng...

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Automatic discriminative measurement of voice onset time

We describe a discriminative algorithm for automatic VOT measurement, considered as an application of predicting structured output from speech. In contrast to previous studies which use customized rules, in our approach a function is trained on manually labeled examples, using an online algorithm to predict the burst and voicing onsets (and hence VOT). The feature set used is customized for det...

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Automatic measurement of voice onset time using discriminative structured prediction.

A discriminative large-margin algorithm for automatic measurement of voice onset time (VOT) is described, considered as a case of predicting structured output from speech. Manually labeled data are used to train a function that takes as input a speech segment of an arbitrary length containing a voiceless stop, and outputs its VOT. The function is explicitly trained to minimize the difference be...

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Automatic Measurement of Positive and Negative Voice Onset Time

Previous work on automatic VOT measurement has focused on positive-valued VOT. However, in many languages VOT can be either positive or negative (“prevoiced”). We present a discriminative algorithm that simultaneously decides whether a stop is prevoiced and measures its VOT. The algorithm operates on feature functions designed to locate the burst and voicing onsets in the positive and negative ...

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Discrimination of voice onset time in infancy.

In an effort to determine whether infants can discriminate speech sounds on the basis of a single acoustic cue, timing onset of periodic voicing, two experiments were conducted employing synthetic speech sounds. Naturally produced syllable pairs were also used for comparison. In the first experiment infants evidenced discrimination of a naturally produced /ba/ versus /pa/ pair and a naturally /...

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ژورنال

عنوان ژورنال: The Scientific World Journal

سال: 2014

ISSN: 2356-6140,1537-744X

DOI: 10.1155/2014/925707