Ableton Live - 5.0 Manual de Instruções descarregar pdf (Página 249)

18.6. COMPRESSOR II 247

better since it reacts more to the actual signal level, while RMS is usually more musical.

But as always if it comes to compression, trust your ears and not the meter!

The most exotic feature of Compressor II is the sidechain EQ. The sidechain is the part of

the signal that is used to control the compressor. Normally the sidechain signal is the same

as the input signal. However, it can make sense to apply some ltering here. Imagine a bass

drum, a snare and some chords in the background. The bass drum has a pretty high level

and it will normally determine how the compressor reacts. If you now turn the side chain EQ

on and set its Frequency to 100 Hz and the Gain to -15 dB, the bass drum will not inuence

the compression anymore and the behavior of the compressor will be very different. You

could also set the Frequency to around 1 kHz and turn up the gain to make the compressor

more responsive to the snare. Since the EQ is only in the sidechain and not part of the

normal signal path, it will not change the sound of the input signal. It only changes how the

compressor reacts to different frequencies of the input.

Unlike Compressor I, Compressor II has a built-in compensation stage that counteracts the

gain loss due to the compression and makes it much easier to adjust the other parameters.

Careful adjustment of attack and release times is essential when it comes to compression of

rhythmical sources. If you are not used to working with compressors, play a drum loop and

spend some time adjusting Attack, Release, Threshold and Gain. It can be very exciting!

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Ableton Live - 5.0 Manual de Instruções Página 249