Resonance, Decay (filter), Velo (filter) – Apple Logic Express 7 User Manual
Page 88: Decay (volume), Velo (volume), Overdrive

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Chapter 14
ES M
Resonance
This parameter sets the resonance of the dynamic lowpass filter. Increasing the
Resonance value results in a rejection of bass (low frequency energy) when using low
pass filters. The ES M compensates for this side-effect internally, resulting in a more
bassy sound.
Int
The ES M features two very simple envelope generators with a single Decay parameter.
Int enables modulation of the cutoff frequency by the filter envelope.
Decay (Filter)
This parameter sets the decay time of the filter envelope. It is only effective if Int is not
set to 0.
Velo (Filter)
Velo determines the velocity sensitivity of the filter envelope. This parameter is only
effective if Int is not set to 0.
Decay (Volume)
This parameter sets the decay time of the dynamic stage. The attack, release, and
sustain times of the synthesizer are internally set to 0.
Velo (Volume)
This parameter determines the velocity sensitivity of the dynamic stage.
Vol
This parameter sets the master volume of the ES M.
Overdrive
This parameter sets the overdrive/distortion level for the ES M output. Caution: The
overdrive effect significantly increases the output level.