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A simplified adaptive feedback active noise control system
In the adaptive feedback active noise control system based on the internal model control (IMC) structure, the reference signal is regenerated by synthesizing the error signal and the secondary signalExpand
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Analysis of heartbeat asymmetry based on multi-scale time irreversibility test
We investigate the asymmetry of heart rate control system and suggest a simple index to quantify this asymmetry by performing high-dimensional time irreversibility tests to heartbeat interval timeExpand
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Decoupling feedforward and feedback structures in hybrid active noise control systems for uncorrelated narrowband disturbances
Hybrid feedforward and feedback structures are useful for active noise control (ANC) applications where the noise can only be partially obtained with reference sensors. The traditional method usesExpand
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An active noise barrier with unidirectional secondary sources
An active noise barrier with unidirectional secondary sources is investigated in this paper, where the unidirectional secondary source consists of two closely located loudspeakers with pre-adjustedExpand
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A recursive least square algorithm for active control of mixed noise
Most currently available active control algorithms target noise sources with relatively singular characteristics such as tonal or wideband noise. However, noise in some practical environments is aExpand
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Causality study on a feedforward active noise control headset with different noise coming directions in free field
A systematic analysis is proposed to predict the performance of a typical feedforward single channel ANC headset in terms of the delay, especially the non-causal delay caused by different noiseExpand
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Time delay estimation via non-mutual information among multiple microphones
TLDR
A novel TDE algorithm is proposed from information theory perspective to improve the robustness of time delay estimators to reverberation. Expand
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Improving active control of fan noise with automatic spectral reshaping for reference signal
TLDR
An improved algorithm for active control of fan noise using spectral reshaping for reference signal using the information from the unwanted fan noise. Expand
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A further study of the prediction method for aerodynamic sound produced by two in-duct elements
Abstract A prediction method based on the theory of Nelson and Morfey for aerodynamic sound produced by the interaction of two in-duct elements was developed by Mak and Yang. Their predicted resultsExpand
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Sound quality inside small meeting rooms with different room shape and fine structures
This note is intended to understand relative importance of room shape and fine structures on the sound quality inside small meeting rooms in terms of the reverberation time, the sound fieldExpand
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