Behringer VIRTUALIZER PRO DSP2024P Manual - Page 13
Dynamic effects
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VIRTUALIZER PRO DSP2024P AUTO PANNING: This sound effect, which was very popular in the beginnings of stereo technique, is achieved by allowing a sound source (often the lead guitar or a synthesizer) to wander from one end of the stereo image to another or by just letting it wander repeatedly. Tab. 2.3: Functioning of the modulation and pitch shifter effects parameters 2.4 Dynamic effects COMPRESSOR/LIMITER: When the signal level exceeds the level control limit of the signal-processing unit, it must be limited dynamically to avoid distortions. This is achieved by installing a compressor or a limiter. The limiter abruptly limits the signal above a specified threshold, while a compressor acts softly over a large range. EXPANDER: Background noises of all types (noise, humming etc) limit the dynamic range of the actual signal. As long as the level of the actual signal lies significantly above the background noise, the noise is inaudible. The interference signal in this case is masked by the actual signal. The expander is used to effectively expand the dynamic range of signals. Signals with small amplitudes (such as background noise) can be weakened, thereby reducing the background noise. GATE: On stage and in studios, there are diverse applications where a noise gate is needed. For example, microphones that tend to cause feedback can be defused. In addition, you can use a gate to eliminate unwanted noise. When used on vocals, for example, the signal is simply masked during pauses, thus eliminating all noise. Needless to say, a gate used on vocals has to open very quicklyotherwise, the first syllables of soft or whispered passages would not be audible. 2. EFFECTS ALGORITHMS 13