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Primary Study on Removing Mains Hum from Recordings by Active Tone Cancellation Algorithms

In this paper the method of removing the mains hum has been presented. This method is based on active tone reduction. Active tone reduction is active noise reduction, where the secondary signal is a signal synthesized based on tonal components detected in the primary signal. The author of the paper has made tests of his own algorithm. The tested signals are the mains hum and hum with the guitar sound. The effect of the work is to indicate the advantages and disadvantages of the algorithm comparing with commonly used solutions.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=20280

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