Bessel filter

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Notion

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Science and technology

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What Wikipedia says

In electronics and signal processing, a Bessel filter is a type of analog linear filter with a maximally flat group delay (i.e., maximally linear phase response), which preserves the wave shape of filtered signals in the passband. Bessel high-pass and low-pass filters are often used in audio crossover systems.

Excerpt from the Wikipedia article “Bessel filter”, under the CC BY-SA 4.0 license. Read the article on Wikipedia