MOTU 896 User's Guide download pdf (Page 87)

CUEMIX FX

amplitude scale is in dB and is adjustable between 3

and 24 dB using the vertical scale buttons

(Figure 9-10).

Showing and hiding ﬁlter curves

To view a ﬁlter in the display, turn on the ﬁlter. The

shape of the ﬁlter, according to its current settings,

is shaded in the same color as the ﬁlter’s knob(s).

Use the ﬁlter display options menu (Figure 9-10) to

show or hide them in the display.

Adjusting ﬁlters in the display

Each ﬁlter has a handle, displayed as shown below

in Figure 9-12 (in the ﬁlter’s color), for adjusting its

boost/cut and/or frequency:

Figure 9-12: Drag the ﬁlter handle to adjust its frequency and/or

boost/cut. Drag the Filter Q handles to adjust the Q.

For the EQ ﬁlters, when you click the handle, you’ll

also see lines on either side for adjusting the Q

parameter, as shown above.

☛ Shortcut: hold down the Option/Alt key while

clicking an EQ ﬁlter handle to enable or bypass that

EQ ﬁlter band.

EQ ﬁlters

The EQ ﬁlters have three parameters:

The Q setting does not have a unit of measurement.

Rather, it is the ratio of the ﬁlter’s center frequency

to the bandwidth of the ﬁlter. In addition, the

actual Q value for the EQ curve being applied is

dependent on three factors: the gain setting, the

ﬁlter style, and the Q setting.

Filter types

Each ﬁlter can be independently set to one of four

different ﬁlter types: I, II, III and IV. These, and the

additional shelf ﬁlters for the LMF and HMF band,

are discussed in the section “EQ ﬁlter styles”.

Returning to zero (or nominal frequency)

To return a knob to zero, or it’s nominal frequency,

double-click it.

EQ ﬁlter styles

EQ is one of the most widely used processing tools

and can be applied to many different situations,

from minor corrective tasks to highly creative

applications. Over the years, many EQs have been

engineered for speciﬁc applications or to achieve a

certain sound. The Vintage EQ has been designed

to be ﬂexible enough to cover a broad range of

applications. To that end, several different ﬁlter

types are supplied, varying mostly in the way they

handle the dynamic interaction between Gain and

Q. This crucial relationship has been modeled to

emulate the smooth and musical character of

classic analog EQ circuits, in which the Gain/Q

dependency was dictated by the actual circuit

design and electrical components used. The

following sections describe the character of each

type of EQ ﬁlter and their suggested applications.

In the three example illustrations (Figure 9-13

through Figure 9-16), the settings for the curves

are the same for comparison purposes:

■ Frequency = 1.00 kHz

■ Q = 1

■ Gain = +3, +10 and +20 dB

Control unit range

Gain dB -20.00 to +20.00

Frequency Hertz 20 Hz to 20 kHz

Q n/a - see note below 0.01 to 3.00

Filter Q

(red line)

Filter handle

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MOTU 896 User's Guide Page 87

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