V. Sunnydayal

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This paper introduces a novel speech enhancement system based on sub-band wiener filter with pitch synchronous analysis. The perceptual filter bank provides a good auditory representation, good perceptual quality of speech. Sub-band wiener filter based Pitch synchronous analysis reduces drawbacks of fixed window shift. To increase the inter frame(More)
The speech enhancement is one of the important techniques used to improve the quality of a speech signal i.e. degraded by noise. Speech enhancement using conventional kalman filter require calculating the parameters of AR (auto-regressive) model, and performing a lot of matrix operations, which is non-adaptive. In this paper the proposed method i.e.(More)
In this paper, combination of statistical model based approach and Non-negative matrix factorization (NMF) based approach with on-line update of speech and noise bases for speech enhancement is proposed. Template based approaches are more robust and performs better to non-stationary noises compared to the statistical model based approaches. However, the(More)
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