Wei-Shou Hsu

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Comfort noise insertion during speech pause has been applied to Voice-over-IP and wireless networks for increasing bandwidth efficiency. We present two classified comfort noise generation (CCNG) schemes using Gaussian Mixture classifiers (GMM-C). Our first scheme employs a classified prototype background noise codebook with the prototype noise waveform(More)
Considering few treatments are available to slow or stop neurodegenerative disorders, such as Alzheimer's disease and related dementias (ADRD), modifying lifestyle factors to prevent disease onset are recommended. The Voice, Activity, and Location Monitoring system for Alzheimer's disease (VALMA) is a novel ambulatory sensor system designed to capture(More)
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