Behringer Virtualizer Pro DSP1024P Uživatelský manuál stáhnout pdf (Strana 10)

VIRTUALIZER PRO DSP1024P

Fig. 1.4.: Back panel connectors and control elements

Use the OPERATING LEVEL switch to adapt the VIRTUALIZER PRO to different operating levels. You

can select a -10 dBV semi-pro level used for home recording and a +4 dBu level used in professional

studios. The level indicators on the front panel are automatically adapted to read the selected nominal

level, i.e. an optimum operating range of the meters is always guaranteed.

These are the VIRTUALIZER PRO’s analog INPUTS. The VIRTUALIZER PRO has both XLR and 1/4"

jack inputs and outputs. Each XLR and jack set are wired parallel and can be used either balanced and

unbalanced.

These are the VIRTUALIZER PRO’s analog OUTPUTS. Also on balanced or unbalanced XLR or 1/4"

jacks.

SERIAL NUMBER. Please take the time to have the warranty card filled out completely and return it

within 14 days after the date of purchase, so as to be entitled to benefit from our extended warranty. Or

use our online registration option available on the World Wide Web under www.behringer.com.

These are the VIRTUALIZER PRO’s MIDI connectors (MIDI OUT / THRU / IN). Total remote control is

possible via MIDI.

This is the MAINS CONNECTOR / FUSE HOLDER / VOLTAGE SELECTOR. Before you connect the

unit, please make sure that the displayed voltage corresponds to your Mains supply. Please note that

the AC voltage selection is defined by the position of the Fuse Holder. If you intend to change the

operating voltage, remove the Fuse Holder and turn it by 180 degrees before you reinsert it. Matching the

two markers monitors the selected voltage. Please note that, depending on the mains voltage supplied

to the unit, the correct fuse type and rate must be installed (see chapter 7 “SPECIFICATIONS”). Please

use the enclosed mains cable to connect the unit to the mains power supply.

 Please note that not all appliances can be used with different mains voltage ratings. Please

check the description on the back of the unit and the box.

1.4 The effect algorithms

In a digital effects device all effect programs are based on algorithms computed by a Digital Signal Processor

(DSP). How does this work? A DSP can perform an enormous number of binary computations in a minimum

amount of time. The binary computations used to generate an effect as part of a program are determined by a

so-called algorithm which represents a rule for computing numerical values that are exactly specified for each

effect type. For example, reverb algorithms differ from chorus algorithms in their programming. Plainly

speaking: each effect is based on a specific algorithm which processes the input signal (converted from analog

to digital before). All of this work is done by the DSP. Once the effect has been generated and added to the

input signal, the digital music signal is converted back to analog by means of a D/A converter.

The VIRTUALIZER PRO permits the change of as many as five parameters which influence the sound in

different ways. This means that for some algorithms the parameters are chosen by using key combinations

with ENGINE L and ENGINE R. In these cases a combination of ENGINE L and ENGINE R with the EDIT A

and EDIT B key will not mean that only one channel is affected. The combination EDIT A – ENGINE L is a

different parameter than the combination EDIT A – ENGINE R, these parameters will be changed on both

channels. With a reverb effect (like PRG 1) EDIT B – ENGINE R does not mean that the right audio channel is

processed, but that the second EDIT B parameter (with PRG 1: High Multiply) is adjusted.

The only exception is the DUAL MONO (PARALLEL) effects, which produce another effect in the left channel

from the right channel.

In those cases EDIT B – ENGINE L or EDIT B – ENGINE R means that you select EDIT B and the left or right

engine. If we only state EDIT B for instance then the selection of the left or right engines does not play a role.

1. INTRODUCTION

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