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- W2740337320 abstract "An efficient and perfectly invertible signal transform feat uring a constant-Q frequency resolution is presented. The proposed approach is based on the idea of the recently introduced nonstationary Gabor frames. Exploiting the properties of the operator corresponding to a family of analysis atoms, this approach overcomes the problems of the classical implementations of constant-Q transforms, in particular, computational intensity and lack of i nvertibility. Perfect reconstruction is guaranteed by using an easy t o calculate dual system in the synthesis step and computation time is kept low by applying FFT-based processing. The proposed method is applied to real-life signals and evaluated in comparison to a related approach, recently introduced specifically for audio signa ls." @default.
- W2740337320 created "2017-08-08" @default.
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- W2740337320 date "2011-01-01" @default.
- W2740337320 modified "2023-09-27" @default.
- W2740337320 title "CONSTRUCTING AN INVERTIBLE CONSTANT-Q TRANSFORM WITH NONSTATIONARY GABOR FRAMES" @default.
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