31
Sound Edge Application Software
Mic Echo
Mic Echo is available in Type0. You can use Mic Echo to delay the input signal or filter the input
signal to modify frequency characteristics.
Click the [Mic Echo] box to open the Mic Echo setup dialog box.
1
IIR Filter (Infinite Impulse Response Filter)
The IIR filter is a cyclic type filter that eliminates a certain frequency range from the original
sound signal.
1 - 1
fc (frequency cutoff)
To determine the point of frequency cutoff in hertz (“Hz”). Click [a]/[z] to modify the
value 100 Hz at a time with each click, or highlight the [fc] box and type in a new value.
1 - 2
type:
Click the [type] button to select the type of filter you want.
Thru:
Passes the original sound through the IIR Filter unaltered.
H.P.F (High Pass Filter)
Lets the high frequencies pass and cuts off the low frequencies as shown
below.
Frequency
Level
Low Frequencies
Cutoff Point
High Frequencies
L.P.F (Low Pass Filter)
Lets the low frequencies pass and cuts off the high frequencies as shown
below.
Frequency
Level
Low Frequencies
Cutoff Point
High Frequencies
2
1 - 1
2 - 2
1
