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The observation likelihood of silence: analysis and prospects for VAD applications
(International Speech Communication Association, 2018-11-23)
This paper shows a research on the behaviour of the observa-tion likelihoods generated by the central state of asilenceHMM(Hidden Markov Model) trained for Automatic Speech Recog-nition (ASR) using cepstral mean and variance ...
An on-line VAD based on Multi-Normalisation Scoring (MNS) of observation likelihoods
(Elsevier Ltd., 2018-05-31)
Voice activity detection (VAD) is an essential task in expert systems that rely on oral interfaces. The VAD module detects the presence of human speech and separates speech segments from silences and non-speech noises. The ...