Duration Group; Overview; About Duration Patterns; Pattern Grid & Associated Parameters - Korg KRONOS SGX-2 Parameter Manual

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Duration Group

Overview

The Duration Group contains the parameters that control
the duration of the notes in a Generated Effect.

About Duration Patterns

Duration Patterns control the duration of notes for each
"rhythm event" that is generated according to the settings in
the Rhythm Group. Choices can be made from "Random
Pools" of values as described in detail later on. Furthermore,
values can be tied to each other; such ties can be absolute or
random.
Pattern Grid & Associated Parameters
Duration Pattern
A Duration Pattern controls the durations that the notes are
generated with according to a grid of rhythmic values. It has
any number of steps up to 32, with each step being
represented by one column on the grid. The first column
always contains at least one value; unused columns appear

Associated Parameters

Duration Mode
0: Poly Extend
1: Poly Extend/Damped
2: Mono Extend
3: Timed
Selects one of several modes of operation for generating
durations in the current Phase:
Based on the current setting, the Duration Pattern Grid,
and Random Weighting Parameters may not be available.
0: Poly Extend
Each note will sustain until the next generation of the same
note, or until that note is no longer a part of the Note Series
(caused by playing a new chord, for example). For example,
[0...7]
4: Rhythm Overlap
5: Rhythm %
6: Pattern Overlap
7: Pattern %
Duration Group Overview
A Duration Pattern will loop as long as note generation
continues. It normally will not reset to the beginning of the
Pattern unless a new Trigger is received, or the Phase Pattern
has been configured to restart it at the beginning of certain
Phases. That means that a four step Duration Pattern can be
looping while an eight step Velocity Pattern and a twelve
step Cluster Pattern are also independently looping, for
example.
disabled. The top part of the grid corresponds to 18 different
rhythmic values; the bottom 2 rows are special purpose
rows:
[ties: rand] - Random Tie: randomly ties the rhythmic value
in the same column to the previous column's rhythmic value.
For example, a 16th note in the first column followed by a
16th note and a random tie in the 2nd column yields either an
8th note or two 16th notes. When at least one random tie has
been selected, a weighting curve is available which allows
choices to be slanted towards more ties or less ties, as
described later.
[ties: abs] - Absolute Tie: always ties the rhythmic value in
same column to the previous column's rhythmic value. For
example, a 16th note in the first column followed by a 16th
note and an absolute tie in the 2nd column yields an 8th note.
The 2 tie rows are mutually exclusive; only one at a time can
be used in any given column.
If the "Duration Mode" is 3: Timed, 4: Rhythm
Overlap, or 5: Rhythm %, the Duration Pattern Grid is
not utilized.
Pattern grids cannot be viewed and edited in the
KRONOS.
if the notes to a CMaj chord are sustaining and the chord is
changed to a C Minor, only the Es will be damped.
Especially useful for finger-picked and strummed guitar
effects. Certain steps may be "damped" by using the
Duration Pattern to indicate a duration value shorter than the
current Rhythm Pattern value. The "Duration Value"
parameter is used to specify a percentage of the Duration
Pattern value, making it shorter or longer by a certain
amount. For example, if the Rhythm Pattern is generating
quarter notes, any step in the Duration Pattern (as modified
by the Duration Value) that is shorter than a quarter note will
cause the notes (and all sustaining notes at that time) to have
the specified duration. This is useful for simulating the
technique of strumming and damping certain chords within
the progression. Any value in a Duration Pattern step (as
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