C. S. Chetan

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Blood RBC's were used to study the role of polyamines, putrescine, spermidine and spermine individually as antioxidants against the peroxidative action of H2O2 which leads to haemolysis of erythrocytes. Results indicated that putrescine did not act as antioxidant at all concentrations used in our studies. However, spermidine and spermine suppressed(More)
In communication systems involving speech, two different environments can be identified. These are categorized as far-end environment and the near-end environment. These different environments lead to different causes for reduction in speech intelligibility for the listener. By applying noise reduction techniques, the impact of acoustical noise sources in(More)
In mobile communication systems, deterioration in intelligibility of the voiced content of the signal is a commonly observed phenomenon. In order to counter the undesirable effect of background noises on the speech signal, a methodology must be developed such that there is no loss in intelligibility of the speech signal. This work focuses on developing an(More)
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