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Emulator Composite.book - Creative

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Limiter<br />

The Limiter sets a “maximum level” on the audio. Beyond this Threshold, any increase<br />

in gain is effectively prevented or limited, hence the name. A limiter works like a<br />

compressor with a very high ratio setting.<br />

The limiter is particularly useful for taming the highly resonant peaks that can be<br />

produced by the Z-plane filters. Set a fast attack time to suppress transients and use the<br />

Release control to reduce “pumping” effects.<br />

0dB<br />

-10dB<br />

-80dB<br />

Threshold: -10dB<br />

The Output Gain control amplifies the signal after it has been limited to bring it back up<br />

in volume. If you don’t increase the gain, the signal may be lower in volume.<br />

Two other controls are Attack and Release. Attack controls how quickly the gain is<br />

turned down after the signal exceeds the threshold. Release controls how fast the gain<br />

is returned to its normal setting after the signal has fallen below the threshold again.<br />

Longer release times are generally used to reduce the so called “pumping” effect as the<br />

compressor turns on and off. Don’t make the release time too long, however, or the<br />

compressor won’t have time to recover for the next pluck or hit. In general, the attack<br />

and release controls are used to smooth out the action of the limiter, but they can also<br />

be used to create special effects.<br />

Parameter Description<br />

Threshold Threshold sets the “trigger” level for limiting. Signal levels above the<br />

threshold will be brought down in volume. Range: -50dB to +20dB<br />

Output Gain Amplifies the signal after it has been compressed to bring up the<br />

volume. Range: -24dB to +12dB<br />

Attack TIme Controls how quickly the gain is turned down after the signal exceeds<br />

the threshold. Range: 1 ms to 200 ms.<br />

Release Time Controls how fast the gain is returned to its normal setting after the<br />

signal has fallen below the threshold. Range: 0.2 second to 1 second<br />

Modulation Parameters<br />

None<br />

Signals above the<br />

Threshold level are<br />

prevented from<br />

getting any louder.<br />

9 - Effects<br />

Effects Descriptions<br />

E-MU Systems 237

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