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- Q386022 subject Q8458273.
- Q386022 subject Q8591370.
- Q386022 subject Q8839979.
- Q386022 abstract "In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels. It is the opposite of a band-pass filter. A notch filter is a band-stop filter with a narrow stopband (high Q factor).Narrow notch filters (optical) are used in Raman spectroscopy, live sound reproduction (public address systems, or PA systems) and in instrument amplifiers (especially amplifiers or preamplifiers for acoustic instruments such as acoustic guitar, mandolin, bass instrument amplifier, etc.) to reduce or prevent audio feedback, while having little noticeable effect on the rest of the frequency spectrum (electronic or software filters). Other names include 'band limit filter', 'T-notch filter', 'band-elimination filter', and 'band-reject filter'.Typically, the width of the stopband is 1 to 2 decades (that is, the highest frequency attenuated is 10 to 100 times the lowest frequency attenuated). However, in the audio band, a notch filter has high and low frequencies that may be only semitones apart.".
- Q386022 thumbnail Ideal_Band_Stop_Filter_Transfer_Function.svg?width=300.
- Q386022 wikiPageWikiLink Q1051241.
- Q386022 wikiPageWikiLink Q11650.
- Q386022 wikiPageWikiLink Q11652.
- Q386022 wikiPageWikiLink Q1231632.
- Q386022 wikiPageWikiLink Q136980.
- Q386022 wikiPageWikiLink Q1413664.
- Q386022 wikiPageWikiLink Q14620.
- Q386022 wikiPageWikiLink Q17141480.
- Q386022 wikiPageWikiLink Q1791280.
- Q386022 wikiPageWikiLink Q1971063.
- Q386022 wikiPageWikiLink Q200928.
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- Q386022 wikiPageWikiLink Q2199357.
- Q386022 wikiPageWikiLink Q2357982.
- Q386022 wikiPageWikiLink Q262754.
- Q386022 wikiPageWikiLink Q2718101.
- Q386022 wikiPageWikiLink Q302497.
- Q386022 wikiPageWikiLink Q3072260.
- Q386022 wikiPageWikiLink Q31561.
- Q386022 wikiPageWikiLink Q3257984.
- Q386022 wikiPageWikiLink Q3434762.
- Q386022 wikiPageWikiLink Q39369.
- Q386022 wikiPageWikiLink Q399804.
- Q386022 wikiPageWikiLink Q5046369.
- Q386022 wikiPageWikiLink Q716215.
- Q386022 wikiPageWikiLink Q738785.
- Q386022 wikiPageWikiLink Q7397.
- Q386022 wikiPageWikiLink Q80019.
- Q386022 wikiPageWikiLink Q830521.
- Q386022 wikiPageWikiLink Q8458273.
- Q386022 wikiPageWikiLink Q8591370.
- Q386022 wikiPageWikiLink Q862228.
- Q386022 wikiPageWikiLink Q8839979.
- Q386022 wikiPageWikiLink Q918242.
- Q386022 comment "In signal processing, a band-stop filter or band-rejection filter is a filter that passes most frequencies unaltered, but attenuates those in a specific range to very low levels. It is the opposite of a band-pass filter.".
- Q386022 label "Band-stop filter".
- Q386022 depiction Ideal_Band_Stop_Filter_Transfer_Function.svg.