X-Iir Filter (Infinite Impulse Response) - LD Systems LDDSP44K Manuel D'utilisation

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SPEAKER PRESET – Load – using the arrow symbols, select an amp preset from the speaker preset library and load it by clicking on
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SPEAKER PRESET EDIT – X-IIR – button to open the edit window of the X-IIR filter (infinite impulse response).

X-IIR FILTER (INFINITE IMPULSE RESPONSE)

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HIGH PASS – high-pass filter.
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LOW PASS – low-pass filter.
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HIGH PASS FREQUENCY – lower crossover frequency. Input field for input via keyboard.
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LOW PASS FREQUENCY – upper crossover frequency. Input field for input via keyboard.
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FILTER TYPE – drop-down menu for selection of filter type (Butterworth, Linkwitz-Riley, Bessel filter), and to disable filter (bypass).
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ORDER – select the filter slope using the arrow symbols (1. - 8th Order/6 dB/oct – 48 dB/oct).
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LOAD (preset name appears in the window to the right of the arrow symbols).
SEND – transfer a speaker preset to the memory of the power amplifier and load it.
– reset the settings in the speaker preset.
– load a speaker preset from the memory of the PC.
– save a speaker preset to the memory of the PC.
X-FIR – button to open the edit window of the X-FIR filter (Finite Impulse Response).
Gain – button to open the edit window for signal amplification.
– click on the button to invert signal polarity (button is orange if polarity is inverted).
– click on the button to mute the signal (button is red if signal is muted).
Delay – click button to open the edit window for signal delay.
Delay time is displayed in metres (m), feet (ft) and milliseconds (ms).
Peq – click button to open the edit window for the 16-band parametric equalizer.
Dyn – click button to open the edit window for dynamic processing (compressor/limiter).