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Non-Linear Signal Processing for Low Frequency Enhancement

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A new method is introduced for enhancing the low frequency performance of small loudspeakers and headphones. The method overcomes some of the known problems and is able to create a powerful bass enhancement. Dynamics processing is used to maximize the bass output depending on the amount of headroom available in the original signal. This non-linear signal processing creates a series of harmonics. By carefully controlling the harmonics a rich low frequency sound can be created.

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Permalink: http://www.aes.org/e-lib/browse.cfm?elib=14439

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