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peak filter

The filter curve of peak filters has a bell-shaped curve, which is why they are also called bell filters or Bell filters.

Frequency response curves of a peak filter with different attenuation values

Frequency response curves of a peak filter with different attenuation values

The frequency response of peak filters has a symmetrical curve around a center frequency. At the center frequency, the peak filter has the highest attenuation or gain. The center frequency can be varied, as can the attenuation curve as a function of the quality factor. In practice, peak filters are used in equalizers as presence filters to improve the formants.

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Englisch: peak filter
Updated at: 14.11.2008
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