High Pass Filter Audio Example. Like most engineers i use them at many points in my mixes to clean up woofy signals and tighten up arrangements. For example a 12db per octave hpf located at 100hz would accomplish 12db of relative attenuation at 50hz and 24db at 25hz.
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A low pass filter lpf attenuates content above a cutoff frequency allowing lower frequencies to pass through the filter. In the above example 500hz is the cutoff frequency. These audio effects may seem small but it s the little things such as fading in with a low pass filter that can.
On top of using high pass and low pass filters you can experiment with using reverb to continue getting some more unique effects.
I am poor of dsp. A high pass filter also has a slope associated with it. This article is complemented by a filter design tool that allows you to create your own custom versions of the example filter that is shown below and download the resulting filter coefficients. A low pass filter lpf attenuates content above a cutoff frequency allowing lower frequencies to pass through the filter.
