X-Fir Filter (Finite Impulse Response) - LD Systems LDDSP44K Manuel D'utilisation

X-FIR FILTER (FINITE IMPULSE RESPONSE)

59
60
61
59
WINDOW TYPE – drop-down menu for the selection of the window type (custom = import a coefficient list)
60
FILTER – selection fields for Bypass and filter types low-pass, high-pass or bandpass.
61
FREQUENCY – lower or upper cut-off frequency (band-pass lower and upper crossover frequency). Input field(s) for input via keyboard.
OUTPUT GAIN
64
62
65
66
63
68
67
62
62
– click the arrow icons to increase (arrow up) or decrease (arrow down) gain in increments of 0.1 dB.
63
Virtual Fader – click and hold the virtual fader knob and drag it upwards to increase gain and downwards to lower it.
64
dB display/input field – direct input via keyboard and display of gain in dB.
65
Polarity – click on the button to invert signal polarity (button is orange if polarity is inverted) and again to return it to normal.
66
Mute – click on the button to mute or unmute the signal (button is red if signal is muted).
67
Signal level display
68
Gain reduction (limiter) display field
69
– click the arrow icons to increase or decrease the signal delay of the corresponding channel.
70
Virtual Fader – click and hold the virtual fader knob and drag it upwards to increase delay and downwards to reduce it.
71
Display/input fields – direct input via keyboard and display of delay time in metres (m) feet (ft) and milliseconds (ms).
OUTPUT DELAY
69
71
70
69
13