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Typical active noise control (ANC) system aims primarily at reducing the acoustic noise over the entire frequency band. Non-uniformity of human hearing response in frequency domain and diversity of individual preference for spectral content require tuning of the residual noise spectrum in ANC system. In this paper, we propose a new ANC structure featuring spectrum-tuning of the residual noise. Simulation...
In this paper we present a new psychoacoustic active noise control system based on delayless subband adaptive filtering structure. Human hearing has selective sensitivity for different frequency bands. Motivated by this psychoacoustic fact, noise weighting is incorporated into active noise control system. In this new system, the noise weighting is decomposed into subband forms for computation efficiency...
Active noise control (ANC) technology is becoming popular in consumer electronic products for audio applications. Typical ANC system aims primarily at reducing acoustic noise over the entire frequency band. However, human factors including diversity of individual listening preferences on spectral content and non-uniform characteristics of human hearing response in frequency domain require the capability...
Non-uniform frequency response of human hearing system requires conventional active noise control (ANC) system to be modified. Psychoacoustic active noise control (PANC) system based on filtered-E least-mean-square (FELMS) structure aims to improve the noise attenuation performance in terms of hearing perception. ITU-R 468 noise weighting reflects human hearing response to random noise. In this paper...
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