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These pitch values are obtained using a robust pitch tracking algorithm described in [41].
Various methods have been proposed for robust pitch frequency estimation, see e.g., [15, 16]; however, robust pitch frequency estimation in low signal-to-noise ratio (SNR) situations still poses a significant challenge.
This suggests that the result could be improved by introducing robust pitch trackers and voiced-unvoiced classifiers.
By exploring the spatial information of the sources, more robust pitch estimators have been proposed [10 14].
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Pitch detection algorithms (PDAs) for simple audio signals based on zero-cross rate (ZCR) and autocorrelation function (ACF) in Amado and Filho [2] are presented also in Muhammad [29], with use of autocorrelation function noise-robust pitch detection is performed, and experimental results have shown the superiority of proposed method over other methods.
These modifications make the algorithm more robust to pitch shifting.
The ORB method was generally robust to pitch distortion and outperformed the Shazam method.
The robust collective pitch control architecture with the maximum possible actuation rate is proposed.
This paper utilizes the linear matrix inequalities' techniques (LMI) for designing a robust collective pitch controller (CPC) for large wind turbines.
In a rather small testing dataset with only four different original excerpts, scale invariance of the transform renders the fingerprints robust against pitch shifting caused by speed changes up to ±10%, and local normalization ensures the robustness against other common audio manipulations.
Their 8-6 victory at Yankee Stadium completed a two-game sweep and doubled as a clinic in slugging (four home runs), opportunistic base running and robust starting pitching.
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