Essays about: "Zero-Crossing Rate"

Showing result 6 - 7 of 7 essays containing the words Zero-Crossing Rate.

1. 6. Speech Assessment for the Classification of Hypokinetic Dysthria in Parkinson Disease

   University essay from Datateknik

   Author : Abdul Haleem Butt; [2012]
   Keywords : Parkinson’s disease; Hypokinetic dysarthria; Speech segmentation; Levodopa; Acoustic analysis;

   Abstract : The aim of this thesis is to investigate computerized voice assessment methods to classify between the normal and Dysarthric speech signals. In this proposed system, computerized assessment methods equipped with signal processing and artificial intelligence techniques have been introduced. READ MORE

3. 7. A Survey and Evaluation of Voice Activity Detection Algorithms

   University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

   Author : Seshashyama Sameeraj Meduri; Rufus Ananth; [2012]
   Keywords : Voice Activity Detector VAD ; Zero-Crossing Rate; Energy Threshold ;

   Abstract : The term Voice Activity Detector (VAD) refers to a class of signal processing methods that detects if short segments of a speech signal contain voiced or unvoiced signal data. A VAD is normally using decision rules based on selected estimated signal features. READ MORE