APPLIED ACOUSTICS SYSTEMS STRINGSTUDIO Manuel d'utilisateur télécharger pdf (Page 38)

38 Parameters

Amplitude (dB)

0dB

Freq Frequency (Hz)

Amplitude (dB)

0dB

Frequency (Hz)Freq

Gain = −30 dB

Gain = 10 dB

Gain = 20 dB

Gain = 30 dB Gain = 30 dB

Gain = 20 dB

Gain = 10 dB

Gain = −30 dB

Figure 21: Low and high shelf ﬁlters.

Q knob is used to adjust the so-called quality factor of the ﬁlter which controls the width of the

frequency band on which the ﬁlter is active. In its leftmost position, the frequency band is wide

and it gets narrower as the knob is turned clockwise.

Amplitude (dB)

0dB

Gain = 30 dB, Q = 2

Gain = 20 dB

Gain = 30 dB, Q = 5

Gain = 10 dB

Gain = 30 dB, Q = 2

Frequency (Hz)Freq

Figure 22: Peak ﬁlter.

The SC button (side-chain) is used to determine if the output from the EQ module is to be used

as the control signal of the Compressor module as described in Section 4.3.2. Finally, note that all

the gain knobs from this module can be accessed directly from the Play view.

4.3.2 Compressor

The Compressor module is used to automatically compress, in other words reduce, the dynamics

of a signal. This module receives two input signals. The ﬁrst one is the signal to be compressed

while the second one is a control signal which triggers the compression process when it rises above

a given level.

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APPLIED ACOUSTICS SYSTEMS STRINGSTUDIO Manuel d'utilisateur Page 38