Ableton Live - 5.0 Manual de Instruções descarregar pdf (Página 246)

18.5. COMPRESSOR I 244

18.5 Compressor I

The Compressor I Effect.

A Compressor reduces gain for signals above a user-settable threshold. Compression re-

duces the levels of peaks, opening up more headroom and allowing the overall signal level

to be turned up. This gives the signal a higher average level, resulting in a sound that is

subjectively louder and punchier than an uncompressed signal.

The two most important parameters are the Threshold and the compression Ratio:

The Threshold slider sets where compression begins. Signals below the threshold are not

processed. Signals above the threshold are attenuated by an amount specied by the Ratio

parameter, which sets the ratio between the input and output signal. For example, with a

compression ratio of 3:1, if a signal above the threshold increases by 3 dB, the compressor

output will increase by only 1 dB. If a signal above the threshold increases by 6 dB, then the

output will increase by only 2 dB.

The red gain-reduction meter shows how much the gain is being reduced at any given

moment. The more reduction, the more audible the effect; a gain reduction above 6 dB

or so might produce the desired loudness, but signicantly alters the sound and is easily

capable of destroying its dynamic structure. This is something that cannot be undone in

later production steps. Keep this in mind especially when using a compressor, limiter or

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Ableton Live - 5.0 Manual de Instruções Página 246