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2015 | OriginalPaper | Chapter

Fast Algorithm for Precise Estimation of Fundamental Frequency on Short Time Intervals

Authors : Andrey Barabanov, Alexandr Melnikov, Valentin Magerkin, Evgenij Vikulov

Published in: Speech and Computer

Publisher: Springer International Publishing

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Abstract

Fast algorithms are proposed for precise estimation of the Fundamental frequency on a short time interval. The approach is a generalization of the unbiased frequency estimator. Its computational complexity is proportional to that of FFT on the same time interval. A trade-off between approximation error and numerical speed is established. The result is generalized to the linear trend model. The lower bound is obtained for the time interval length with a nonsingular information matrix in the estimation problem. The frequency estimation algorithm is not sensitive to big random noises.

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Metadata
Title
Fast Algorithm for Precise Estimation of Fundamental Frequency on Short Time Intervals
Authors
Andrey Barabanov
Alexandr Melnikov
Valentin Magerkin
Evgenij Vikulov
Copyright Year
2015
DOI
https://doi.org/10.1007/978-3-319-23132-7_27

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