Abstract
In this paper we develop an approach to active noise cancellation using a single microphone. The noise field is modeled as a stochastic process and a time adaptive algorithm based on a modification of the block Estimate Maximize (EM) algorithm is used to adaptively estimate the parameters of this process. Based on these parameter estimates a cancelling signal is generated. The algorithm developed is evaluated with recordings of aircraft noise, and has been implemented in real time with a single AT&T DSP32C chip.
Cite
CITATION STYLE
Oppenheim, A. V., Weinstein, E., Zangi, K. C., Feder, M., & Gauger, D. (1992). Single sensor active noise cancellation based on the EM algorithm. In ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings (Vol. 1, pp. 277–280). Institute of Electrical and Electronics Engineers Inc. https://doi.org/10.1109/ICASSP.1992.225917
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