Yamaha PLG150AN Owner's Manual download pdf (Page 12)

Analog Physical Modeling Synthesis and the PLG150-AN Tone Generator

LFO 1, 2 and PEG, FEG

The LFO 1 and LFO 2 sections provide a sophisticated set of modulation possibilities, allowing you

to modulate the VCO 1, VCO 2, VCA, and VCF sections in various ways and degrees.

The LFO can be used to control:

Pmod (pitch of the oscillator) PWM (Pulse Width Modulation)

Fmod (Cutoff frequency of the ﬁlter) Sync Pitch (pitch of the slave oscillator)

Amod (depth of the ampliﬁer, or volume) FM Depth

This gives you enormous ﬂexibility in controlling and shaping the sound.

The PEG (Pitch EG) section lets you control the pitch of the VCO 1 and/or VCO 2 over time, with a

conventional envelope generator. The FEG (Filter EG) gives you similar control over how the ﬁlter

affects the sound over time. On the PLG150-AN, the PEG and FEG give you additional modulation

control sources, providing the comprehensive and ﬂexible control as found on vintage analog synthe-

sizers — yet without the expense of additional modules and the complexity of dozens of patch cords.

Effects

The PLG150-AN also features an Effects section that includes Distortion and 3-Band EQ. These

effects give you further sonic control over the AN voice, letting you apply and adjust distortion, and

make detailed equalization settings.

FEG

Opening and

closing the filter

over time.

Changing the

harmonics

over time.

Oscillator

Sync

Filter cutoff frequency

Pitch of the slave

oscillator (determines

the timbre or tone

of the overall sound).

Pitch of the master

oscillator (determines the

pitch of the overall sound).

Example

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 76 77

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Yamaha PLG150AN Owner's Manual Page 12