Anyone who records vocals knows that the popping “P” as well as the occasional “B,” “T,” and “D,” can pose a challenge to making that perfect recording. A metal screen with mesh in front of the microphone might help, but external filters are a popular option. Filters vary in size and effectiveness, and it is important to consider whether the the filter is too thick, because it may absorb high frequencies as well.
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Popping “P B, T, D ‘s” .
There may be apps that do that. You can definitely find spectrum analyzers that will measure ultra low.
Is there an APP that can measure the ultra low frequency levels?
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