User Guide

49
6. Notch Filter
The central frequency has obvious reduction. The frequency beside
the central frequency has similar effect. Gain setting is ineffective
with notch filter.
7. High Shelf Filter
There is a wide effect on the frequency that is higher than the
central frequency.
2 3 4 56 10 20 30 100 200 1k
⑩. Q=0.7071 ⑪. Q=20
4 5 6 78 9 10 20 30 40 50 100 200
300 1k
⑫. Q=0.7071 ⑬. Q=20
4 5 6 78 9 10 20 30 40 50 100 200
300 1k
2 3 4 56 10 20 30 100 200 1k