Dongning Wang

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Esophageal (SE) and tracheoesophageal (TE) speech are the most commonly used alaryngeal voicing types after total laryngectomy-a surgical procedure of removing a pathological larynx. Both SE and TE voices show more aperiodicity than normal laryngeal (NL) voices, and the vocal characteristics of alaryngeal voices are notoriously difficult to extract. The(More)
The present study investigated the difference in voice perturbation measures and parameters obtained from nonlinear dynamic analysis between normal laryngeal phonation and standard esophageal (SE) phonation. Jitter, shimmer, correlation dimension and Kolmogorov entropy were measured from 10 SE and 10 normal male speakers of Cantonese. Jitter and shimmer(More)
For the purpose of studies of second language acquisition and computer aided pronunciation training, an L2 Chinese speech database by Japanese learners has been collected and phonetically annotated twice by two independent groups of labelers. As there are errors in the two annotations, appropriate methods are needed to screen out inconsistencies for(More)
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