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Generalized polyphase representation and application to coding gain enhancement

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2 Author(s)
Soman, A.K. ; Dept. of Electr. Eng., California Inst. of Technol., Pasadena, CA, USA ; Vaidyanathan, P.P.

Generalized polyphase representations (GPP) have been mentioned in literature in the context of several applications. In this paper, we provide a characterization for what constitutes a valid GPP. Then, we study an application of GPP, namely in improving the coding gains of transform coding systems. We also prove several properties of the GPP

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Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on  (Volume:41 ,  Issue: 9 )