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KARMA GE guide
914
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.
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.
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 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
OASYS.
Associated Parameters
Duration Mode [0…7]
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, 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
0: Poly Extend 4: Rhythm Overlap
1: Poly Extend/Damped 5: Rhythm %
2: Mono Extend 6: Pattern Overlap
3: Timed 7: Pattern %