Amplifier – Dave Smith Instruments PROPHET 08 DESKTOP User Manual

Page 21

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Env Amount: -127…+127 –

Sets the amount of filter envelope routed to the

cutoff frequency. This can be positive or negative, allowing inverted envelope
control of the filter.

Velocity: 0…127 –

Amount of key velocity controlling the level of the filter

envelope.

Key Amount: 0…127 –

Sets the amount of keyboard (MIDI note) to the filter

cutoff. A setting of 64 will step the filter one semitone for each note, 32 would
be half-semitones, and so on.

Audio Mod: 0...127 –

Controls the amount of audio from Oscillator 1 used to

modulate the filter cutoff frequency. For filter-only audio, set O

SCILLATOR

M

IX

to 127, O

SCILLATOR

2

S

HAPE

to Off, and O

SCILLATOR

1

S

HAPE

to the desired

waveshape. This is useful for bell-like FM sounds. A wide range of sounds can
also be made using A

UDIO

M

OD

with the oscillators routed normally through the

filter.

Delay: 0...127 –

Sets a delay between the time the filter envelope is triggered

and when the Attack portion actually begins.

Attack: 0…127 –

Sets the Attack time of the filter ADSR envelope generator.

Decay: 0…127 –

Sets the Decay time.

Sustain: 0…127 –

Sets the Sustain level.

Release: 0…127 –

Sets the Release time.

Amplifier

VCA Level: 0…127 –

Sets a base level for the VCA (Voltage Controlled

Amplifier). This allows the VCA to be essentially bypassed for programs that
drone.

Note: If VCA L

EVEL

is on full, Envelope Amount has no effect. For

typical keyboard playing, VCA L

EVEL

is set to zero.

Env Amount: 0…127 –

Sets the amount of VCA envelope to the VCA level.

Velocity: 0…127 –

Sets the amount of keyboard velocity controlling the level of

the VCA envelope.

Pan Spread: 0...127 –

There is a pan circuit after the VCA that pans the audio

in the stereo field individually per voice. With a P

AN

S

PREAD

of zero, all eight

voices are panned in the middle (monophonic). As you turn up P

AN

S

PREAD

, the

15

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