Audibax M88 DSP handleiding
Handleiding
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Expander
The expander has a totally different principle from the compressor. It can expand the
dynamic range of a signal. The most fundamental difference in these two devices lies in
that, the compressor works on the signal higher than the threshold, while the expander
works on the signal lower than the threshold. The expander can turn small signal into
smaller one. It can be seen from Fig.3.2 that, when the expansion ratio reaches 1:2, the
input signal 20dB lower than the threshold will generate an output signal 40dB lower
than the threshold. Thus, as shown below, the signal lower than the threshold will extend
downwards and cause smaller level. When an expansion ratio 1:20 is adopted. The
expander seems to be a noise gate in terms of the transmission features. In fact, a noise
gate is an expander with great expansion ratio.
The expander has the following control parameters:
- Threshold: The expander can be started only when the signal exceeds this threshold
(allowing the transmission of the signal). As a matter of fact, the signal is often set as the
ambient noise.
- Ratio: It refers to the slope below the threshold point on the gain curve. When the slope
is set at a high level, the gate movement will start.
- Starting time: It refers to the time required to start the expander when the duration of
the input signal exceeds the threshold. Shorter starting time allows us to start the
expander more quickly.
- Release time: It refers to the time required for the gain to be restored to a value lower
than the threshold when the input signal is lower than the threshold.
M88 DSP / M88 DSP Dante
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Productinformatie
| Merk | Audibax |
| Model | M88 DSP |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 13294 MB |
