Hello, I wonder if there's a way to take an audio signal and pass only the parts of the spectrum that are above a certain threshold? With a very noisy (spectrum-wise) signal only some stuff will pass through, resulting in an output signal with "holes".

https://forum.pdpatchrepo.info/topic/14635/how-to-construct-a-background-noise-filter-in-pd

@Yar That sounds similar to the Pd help example I04.noisegate