Changing the Volume and Stereo Location ([F4 (TVA)])

The TVA (Time Variant Amplifier) controls volume changes

to the Tone as well as its stereo positioning.

PATCH TVA Parameter page ([PATCH] - [F4 (TVA)] - [F1 (TVA Prm)])

TVA

Level (Tone Level)

Range: 0–127

Sets the volume of the Tone. This setting is useful primarily for adjusting the volume balance between Tones.

The overall volume of the Patch is set by the Level (PATCH Common General page) setting, raising or lowering the Tone level settings of its individual Tones by the selected amount. (p. 127)

V-Curve (TVA Level Velocity Curve)

Range: FIXED/1–7

This setting allows you to select from seven velocity curves that determine how the force with which the keyboard is played is to affect the Tone’s volume. The selected curve is displayed to the below of its parameter value.

When set to “FIXED,” the Tone’s volume will not be affected by the force with which the keyboard is played.

V-Sens (TVA Level Velocity Sens)

Range: -63– +63

Use this setting when you want keyboard touch (velocity) to affect the Tone volume. Set this to a positive value to have the changes in tone volume increase the more forcefully the keys are played; to make the Tone play more softly as you play harder, set this to a negative value.

Bias

Use the Bias parameter when you want the position of notes on a keyboard to affect the TVA level.

Chapter 4 Creating Patches

 

LOWER

 

 

 

 

 

 

 

UPPER

 

 

 

 

 

 

 

Level

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Level

 

 

 

 

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Key

 

 

 

 

 

 

Key

 

 

C-1

 

Bias Point

G9

C-1

 

Bias Point

 

G9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOWER&UPPER

 

 

 

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Level

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+

 

 

Chap.4

 

 

 

Bias Point

 

Key

 

 

Bias Point

 

 

Key

 

C-1

 

G9

C-1

 

 

G9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Level (TVA Bias Level)

Range: -100– +100

Adjusts the slope of the volume change that will occur in the selected Bias Direction. Higher values will cause greater change. Negative (-) values invert the change.

Position (TVA Bias Position)

Range: C -1–G9

Selects the MIDI key at which the Tone’s volume will begin to change.

Direction (TVA Bias Direction)

This determines whether the volume of notes above or below the Bias point — or both — will change according to their distance from the Bias Point.

Available Settings:

LOWER: Notes below the Bias Point will be affected.

UPPER: Notes above the Bias Point will be affected.

LOWER&UPPER: Notes below and above the Bias Point will be affected.

ALL: The volume of notes across the entire keyboard will be biased according to the Bias Level slope, based on their distance from the Bias Point.

Pan (TVA Pan)

Use these parameters to dynamically alter the Tone’s stereo position as set by the TVA Pan.

Pan (Tone Pan)

Range: L64–0–63R

Specifies the stereo position of the Tone. L64 is far left, 0 is center, and 63R is far right.

The overall panning of the entire Patch is set by the Pan parameter (Patch Common General page), and the Pan (Tone Pan) setting is added to this setting. (p. 127)

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Roland XV-5080 owner manual Changing the Volume and Stereo Location F4 TVA, Tva