Audiovox PEQ-200 User Manual download pdf (Page 13)

ULTRA-Q PRO PEQ2200

Fig. 5.2: Typical notch function

5.4.2 The roll-off function

With roll-off we usually refer to a limitation of frequency bands by means of high or low-pass filters. The low

and high-cut filters on the ULTRA-Q PRO have a slope of 12 dB/oct. and can be varied within a wide frequency

range.

Fig. 5.3: Typical roll-off function

6. APPLICATIONS

6.1 Introduction and basic settings

In contrast to graphic equalizers with their fixed frequencies and qualities, parametric EQs allow for setting all

filter parameters, such as center frequency, bandwidth and amplitude.

The possibility of determining both the bandwidth and center frequency as well as frequency boost/cut in five

separate bands, adds a new dimension to equalization systems. The high precision of the filters used in the

ULTRA-Q PRO enables you to fine-tune frequencies and process your audio material in a such a creative way

that has been impossible up to now.

The frequency bands are grouped so as to cover the entire audio range from 20 Hz to 20 kHz, with the

frequency ranges of the single bands overlapping each other. Thus, you can, for instance, set two bands to one

center frequency.

6. APPLICATIONS

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Audiovox PEQ-200 User Manual Page 13