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- W2045621949 abstract "The author presents an efficient exploitation of a super resolution pitch estimate in waveform speech coders such as LPC (linear predictive coding), CELP (code-excited linear prediction), and TDHS. Despite the compression/quality gain afforded with using super resolution pitch, the computational resources required to interpolate the speech signal to a much finer resolution are significant and therefore practical use is limited to a rather moderate resolution increase (factor of *2 is typical). One of the main contributions of this work is the ability to conserve computational resources by using a hybrid signal interpolation scheme composed of a second-order digital IIR (infinite impulse response) filter in tandem with a continuous linear interpolator which can be discretized to any desirable time resolution and thus take advantage of a super resolution pitch estimate. >" @default.
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- W2045621949 date "1991-01-01" @default.
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- W2045621949 title "Using super resolution pitch in waveform speech coders" @default.
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- W2045621949 doi "https://doi.org/10.1109/icassp.1991.150419" @default.
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