Fast Fourier Transformation in Noise Reduction in Audio Recording
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Ambient noise is always unwanted during the professional recording whether is speech or instrument. Signal-processing by Fourier Transformation can play a vital role in greatly reducing the ambient noise in the recording since Fourier Transformation is a powerful tool to help us obtain a detailed frequency spectrum. In the paper, an algorithm for reducing noise is proposed, which makes use of Fast Fourier Transformation in Maxima. This method exhibits a good performance in reducing the noise from a guitar recording.