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A unified approach to speech enhancement and voice activity detection


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  • Product Description

In this work, a unified system for voice activity detection (VAD) and speech enhancement is proposed. In the proposed system, there is mutual exchange of information between VAD and speech enhancement blocks. A new, robust and low complexity VAD algorithm is implemented for the VAD block of the unified system. The newly proposed VAD algorithm uses a periodicity measure and an energy measure obtained from spectral energy distribution and spectral energy difference of the input speech data. For the speech enhancement block, the Modified Wiener Filtering (MWF) algorithm is utilized. It has been shown that the utilization of information exchange between the VAD and MWF algorithms in the unified system increases the performance of both algorithms and the proposed unified system improves the robustness of a speech recognition system significantly. Both of the enhanced algorithms are non-iterative. Therefore, the proposed unified system is computationally attractive for real-time applications.

Product Specifications
SKU :COC91978
AuthorCeyhan Kasap
Number of Pages136
Publishing Year2013-07-26T00:00:00.000
Edition1 st
Book TypeElectronics & communications engineering
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00