Marani LPP-480F, User Manual

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APPENDIX
CUSTOM IIR FILTER
Editing external IIR PEQ Filter
To load an external PEQ filter the user has to click the “Edit PEQ Filter” button in the single
external filter frame. The Edit external PEQ window will appear showing the actual external filter
coefficients.
When no external PEQ filter is selected, the user can also open the Edit window by clicking the
“Edit EQ” button: in this case the first PEQ filter will be shown.
Edit external PEQ window
After clicking the Edit button of the single filter or Edit EQ button, the system shows the following
modal window (with the selection of 13 PEQ filters for the input channel and 7 PEQ filter for the
output channels)
The Edit window allows to:
- import a single external PEQ filter
- import more then one external PEQ filter
- manually input/edit the external PEQ filter coefficients
- Select a filter and edit it (type, freq, gain, Q, single PEQ bypass and Eq Bypass)
- View the FDT (amplitude or phase) of the single selected PEQ filter and the FDT of the overall