Roland XP-80 Manuel du propriétaire télécharger pdf (Page 54)

LOW&UP

: Changes the volume symmetrically in the ranges

below and above the key set for the Position parameter.

ALL

: A straightline volume change is created over the entire

keyboard range, relative to the key set for the Position para-

meter.

Position:Level (Bias position: Bias level)

Use the Position parameter to select the key from which vol-

ume will begin to change.

Level parameter adjusts the volume change curve to occur in

the direction determined by the Direction parameter. Higher

values will result in a steeper curve. Negative (-) values will

invert the change.

TVA Envelope display

This display is used when setting TVA envelope (how TVA

level changes over time). The specified TVA envelope is dis-

played graphically.

Time1-4 (TVA envelope time 1–4)

Sets TVA envelope time (Time 1–4). Higher settings will

extend the time over which the volume changes from one

point to the next (for example, duration for volume to

change from Level 1 to Level 2 for Time 2).

Level1-3 (TVA envelope level 1–3)

Sets TVA envelope level (Level 1–3) to adjust the volume

level of each point relative to the reference volume (specified

Tone Level value).

Velocity Curve (TVA envelope velocity curve)

Selects one of seven curves to set how velocity (keyboard

playing dynamics) influences TVA envelope amount. The

selected curve is shown at the right of the number.

Velocity Sens (TVA envelope velocity sensitivity)

Use this parameter when you want velocity to influence

TVA envelope amount. Positive (+) settings increase the

amount of TVA envelope as the key is pressed with increas-

ing force. Negative (-) settings do the reverse.

Velocity Time 1 (TVA envelope velocity time 1 sensitivity)

Use this parameter when you want velocity to influence the

Time1 parameter of the TVA envelope. With positive (+) set-

tings, greater keyboard velocities will reduce (speed up)

Time1 value.

With negative (-) settings, greater keyboard velocities will

increase (slow down) Time1 value.

Velocity Time 4 (TVA envelope velocity time 4 sensitivity)

Use this parameter when you want key-release speed to

influence the Time4 value of the TVA envelope. For a quick-

er release to reduce (speed up) the Time4 value, use positive

(+) settings. To increase (slow down) Time4 value, use nega-

tive (-) settings.

Time Keyfollow (TVA envelope time keyfollow)

Use this parameter for a key position to influence TVA enve-

lope time (Time2–Time4 parameter settings). Higher settings

result in a greater time change relative to the envelope time

at middle C (C4). Positive (+) settings will reduce time when

keys above middle C are pressed. Negative (-) settings will

extend time.

Time 1 Time 2 Time 3 Time 4

Level 3

Level 1

Level 2

key is released

Level

Time

key is pressed

Chapter 3. Creating your own sounds

[PATCH]

➞

[F4] (TVA)

➞

[F2] (TVA Env)

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Roland XP-80 Manuel du propriétaire Page 54

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