Ormsby filter

noun

A filter of trapezoidal shape specified by four corner frequencies, f1 through f4. The filter rejects below f1 and above f4, is linear from f1 to f2 and from f3 to f4, and is flat from f2 to f3.

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Meanings

nounOrmsby filter (plural Ormsby filters)

plural Ormsby filters

  1. A filter of trapezoidal shape specified by four corner frequencies, f1 through f4. The filter rejects below f1 and above f4, is linear from f1 to f2 and from f3 to f4, and is flat from f2 to f3.
Cite this entry
APA

Ormsby filter. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Ormsby%20filter

MLA

“Ormsby filter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Ormsby%20filter. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Ormsby filter,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Ormsby%20filter.

Source: Ormsby filter on Wiktionary, CC BY-SA 4.0.