Low Pass Filters & High Pass Filters
The sound you hear is :
1. Unaltered
2. LPF (same as picture except mix is 100%)
3. HPF (same as picture except mix is 100%)
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Figure 58 : Digilogue BlueFilter control settings for the low pass filter (bass).
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Figure 59 : Digilogue BlueFilter control settings for the high pass filter (treble).