Howtosignalprocessing
- What does a shelving filter do?
- What does EQ shelving mean?
- What are the high and low shelf filters?
- What does a low shelf filter do?
What does a shelving filter do?
A shelving filter, also referred to as a shelf filter, shelf EQ, shelving EQ etc. allows you to boost or attenuate either the high end or the low end of the frequency spectrum. A shelving filter which boosts or attenuates the high end of the frequency spectrum is known as a 'high shelf'.
What does EQ shelving mean?
“ - [Instructor] A shelving EQ boosts or cuts all frequencies above or below a selected cut-off point. As you can see in the examples, the frequencies beyond the cut-off are affected, which create a sort of visual shelf. This type of EQ is most commonly found on the top and bottom bands of a parametric EQ.
What are the high and low shelf filters?
The major difference between low and high shelf filters is the name: low shelf filters affect (boost or cut) frequencies at the low-end of the audio signal while high shelf filters affect (boost or cut) frequencies at the high-end of the audio signal.
What does a low shelf filter do?
Low shelf filter is commonly used during guitar EQ mixing and mixing vocals. The purpose is to cut the lower bass frequencies of each instruments so that it won't conflict with the bass guitar and kick drum frequencies. A common application is when you like to boost the bass frequencies below the cut-off “fc”.
