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Date : 2013/05/13 22:13
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Old Revision: http://rosegardenmusic.com/wiki/doc:pitchbendsequencedialog-controllerbranch-en?rev=1368482051
New Revision: http://rosegardenmusic.com/wiki/doc:pitchbendsequencedialog-controllerbranch-en
Edit Summary: Revised to branch version
User : tehom
@@ -1,6 +1,6 @@
===== Creating a series of pitch bend events =====
You can create a series of calculated, machine-generated pitch bends by using the Pitch Bend Sequence dialog.
==== Usage ====
@@ -16,11 +16,10 @@
The last one depends on what ruler you have opened. For instance, if you have the expression controller ruler open, it's the same as "Insert Expression controller Sequence"
==== Parameters ====
=== Preset ===
- You can select from 3 predefined presets and 1 user defined.
- == User ==
- This preset stores previously entered parameters.
+ The preset box provides settings that store previously entered parameters. For "Insert Pitch Bend Sequence", there are also 3 predefined presets:
== Linear ramp ==
Ramps pitch from value defined in pre bend box to end value of bend sequence box.
== Fast vibrato arm release ==
This simulates the effect that's possible with certain types of guitar vibrato bridges (some people falsely call these tremolo bridges).
@@ -28,22 +27,63 @@
Generates a vibrato. You need to specify start and end depth of vibrato by entering a values in pre bend and bend sequence boxes.
=== Pre Bend ===
At the beginning of the selected range it's possible to insert a bend (pre bend), then after a definable delay (duration) the actual sequence begins.
== Value (%) ==
- Value of the very first pitch bend inserted in per cents. -100 % is lowest and 100 % highest possible pitch. 0 is neutral or "normal".
+ Value of the very first pitch bend inserted in per cents.
+ For pitch bend, -100 % is lowest and 100 % highest possible pitch.
+ For controllers, the numbers correspond to controller values.
+ In both cases, 0 is neutral or "normal".
== Duration (%) ==
Duration of the pre bend compared to whole selected range. If set to 100% no bend sequence is applied.
=== Bend Sequence ===
In this box you specify the parameters for the series of bend events.
== Ramp duration (%) ==
Duration of the linear ramp in per cents compared to time of selected events minus time of pre bend. Ramp ends before the sequence if lower than 100%.
== End value (%) ==
- The pitch at end of the ramp in per cents.
+ The pitch at end of the ramp, defined the same way as "Value"
== Vibrato start amplitude (%) ==
This defines amplitude of the vibrato at beginning of the bend sequence.
+ Vibrato is only possible in Linear Ramp Mode, with "Use this many steps" set.
== Vibrato end amplitude (%) ==
This defines amplitude of the vibrato at end of the bend sequence.
== Vibrato wavelength ==
- This defines frequency of vibrato. Defined as resolution units. See below.
- == Resolution ==
- Sequence is divided in this many pieces.
+ This defines frequency of vibrato. Defined as number of steps per cycle.
+ === Ramp Mode ===
+ == Linear ==
+ Ramps linearly.
+ Vibrato is possible in only this mode.
+ == Logarithmic ==
+ Ramps logarithmically. This uses Tim Munro's algorithm.
+ == Quarter Sine ==
+ The ramp has the shape of a quarter sine wave, from zero to peak, or from zero to trough if negative.
+ == Half Sine ==
+ The ramp has the shape of half sine wave, from trough to peak, or from peak to trough if negative.
+ == Illustration of all four ramp modes ==
+ === How Many Steps ===
+ == Use step size ==
+ In this option, each step in the ramp is this size. If the step size doesn't evenly divide the ramp size, step sizes will be used that best approximate evenly dividing the tamp into the given size.
+ Vibrato is not possible in this mode.
+ == Use this many steps ==
+ In this option, the sequence is divided in this many pieces. This was formerly called "Resolution".
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