Enhancing noisy speech signals using orthogonal moments

This study describes a new approach to enhance noisy speech signals using the discrete Tchebichef transform (DTT) and the discrete Krawtchouk transform (DKT). The DTT and DKT are based on well-known orthogonal moments: the Tchebichef and Krawtchouk moments, respectively. The representations of speec...

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Veröffentlicht in:	IET signal processing 2014-10, Vol.8 (8), p.891-905
Hauptverfasser:	Jassim, Wissam A, Paramesran, Raveendran, Zilany, Muhammad S.A
Format:	Artikel
Sprache:	eng
Schlagworte:	Compressing discrete Krawtchouk transform discrete Tchebichef transform discrete transforms Errors least mean squares methods method of moments minimum‐mean‐square error moment coefficients Noise noisy speech signals orthogonal moments Representations Signal processing Speech speech processing Speech recognition speech signal enhancement Transforms
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