Adaptive Blind Noise Suppression in some Speech Processing Applications

In many applications of speech processing the noise reveals some specific features. Although the noise could be quite broadband, there are a limited number of dominant frequencies, which carry the most of its energy. This fact implies the usage of narrow-band notch filters that must be adaptive in order to track the changes in noise characteristics. In present contribution, a method and a system for noise suppression are develo ....etc

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In many applications of speech processing the noise reveals some specific features. Although the noise could be quite broadband, there are a limited number of dominant frequencies, which carry the most of its energy. This fact implies the usage of narrow-band notch filters that must be adaptive in order to track the changes in noise characteristics. In present contribution, a method and a system for noise suppression are developed. The method uses adaptive notch filters based on second-order Gray-Markel lattice structure. The main advantages of ....etc

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MULTISENSOR STRATEGIES TO SUPPORT BLIND PEOPLE: A CLEAR-PATH INDICATOR
Abstract :
The development of electronic sensing devices for the visually impaired requires knowledge of the needs and abilities of this class of people. In this project we present a rough analysis that can be used to properly define the criteria to be adopted for the design of such devices. In particular, attention will be focused on clear-path indicators, highlighting their role in orientation and mobility tasks. A new device belonging to this class i ....etc

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In many applications of speech processing the noise reveals some specific features. Although the noise could be quite broadband, there are a limited number of dominant frequencies, which carry the most of its energy. This fact implies the usage of narrow-band notch filters that must be adaptive in order to track the changes in noise characteristics. In present contribution, a method and a system for noise suppression are developed. The method uses adaptive notch filters based on second-order Gray-Markel lattice structure. The main advantages of ....etc

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BLIND separation of independent sources has receiveda great deal of attention due to various applications inscience and technology. The problem of blind source separation(BSS) and/or ICA has been studied by many researchers inthe fields of neural networks and statistical signal processing“, , , , , , , , during thepast ten years, and many interesting theoretical and practicalresults have been achieved.This paper is organized as follows. A robust prewhit ....etc

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UNMANNED AUTOMATIC TARGET APPROACHING VEHICLE APPLIED FOR BLIND USING SUPER ACTIVE RFID.

Interactive or active RFID technology that is being used for many-advanced application from health sector to retail depending on that technology Auto target finder and approaching vehicle, which it is designed for the blind, in an RFID based application, which aims for user group to reach to target within a no familiar or totally un known campus area without taking any help out side. Starting from the entrance gate, application guides the user until wher ....etc

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