Robust voice activity detection algorithm using spectrum estimation and dynamic thresholding

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Date
2009
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
IEEE Computer Society
Abstract
An algorithm for voice activity detection (VAD) is presented in this paper, it uses the classical short time fourier transform (STFT) followed by dynamic thresholding over the noise floor which allows accurate determination for voiced/unvoiced frame. This algorithm has also been implemented in a DSP plataform to evaluate its performance in real time, where results have shown that such method presents accurate voiced/unvoiced determination under unknown signal to noise ratio (SNR) conditions. © 2009 IEEE.
Description
Keywords
Signal detection , Spectrum analysis , Speech recognition , Dynamic thresholding , Noise floor , Real time , Short time Fourier transforms , Spectrum estimation , Voice activity detection , Voice activity detection algorithms , Signal to noise ratio
Citation
URI
https://hdl.handle.net/20.500.12590/15904
Collections
Artículos - Ingeniería Electrónica y de Telecomunicaciones