Yamaha PLG150AN Manuel du propriétaire télécharger pdf (Page 32)

Parameters

■ Mix FdBack (Mix Feedback Level)

Range: -64 — +63

This determines the level of feedback output from the VCA that is returned (or “fed back”) into the input

of the mixer, causing the signal to build up in amplitude according to the level you set. Higher values

increase the Feedback level, resulting in a fatter sound.

● Feedback should be applied slowly and with caution. Too much feedback can create extremely high

frequencies, potentially resulting in damage to your speakers.

● Too much feedback may drastically change the VCF characteristics.

■ VCF FmodDp (Filter Modulation Depth)

Range: -64 — +63

This determines the depth of the ﬁlter modulation of the VCF by the LFO1 or LFO2 (depending on the

voice selected). Filter Modulation adds a cyclical change to the ﬁlter cutoff frequency to create a wah

effect. Higher (positive) values widen the range of the cutoff frequency change.

■ FEG Depth (Filter EG Depth)

Range: -64 — +63

This determines the range of movement of the cutoff frequency. Higher (positive) values increase the

FEG Depth. This must be set to a proper level for the FEG parameters (Attack, Decay, Sustain, and

Release) to have an effect on the sound.

■ FEG Attack (Filter EG Attack Time)

Range: -64 — +63

This determines the attack time of the FEG, which is the time it takes for the signal to reach its maxi-

mum cutoff frequency level after a key is pressed (key on). Higher values produce a longer Attack

time.

■ FEG Decay (Filter EG Decay Time)

Range: -64 — +63

This determines the decay time of the FEG, which is the time it takes for the signal to reach its sustain

level from the maximum level while a key is held. Higher values produce a longer Decay time.

VCO Mixer HPF

Feedback

VCF VCA OUT

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Yamaha PLG150AN Manuel du propriétaire Page 32