A comb filter is a signal processing filter that has a frequency response resembling a comb, which means it has a series of regularly spaced peaks and troughs in its frequency spectrum. This type of filter is typically used in various applications, including audio processing, telecommunications, and electronics. ### Characteristics of Comb Filters: 1. **Frequency Response**: The comb filter's frequency response exhibits a periodic pattern, where certain frequencies are amplified (peaks) while others are attenuated (troughs).
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