How The Sequencer Is Organized - Roland JX-305 Owner's Manual

Chapter 1. an Overview of the JX-305
Playing Percussion Instruments—
Rhythm Sets
A collection of various percussion instruments
(rhythm tones) is referred to as a Rhythm Set. A differ-
ent rhythm tone can be assigned to each key (note
number), allowing you to use a large number of
rhythm tones at once.
fig.1-3 (=MC fig.1-5)
RHYTHM SET
1
RHYTHM TONE (B5)
RHYTHM TONE (D5)
RHYTHM TONE (C4)
RHYTHM TONE (B1)
WAVE
PITCH
PITCH
ENV
Assigning Instruments to the
Ensemble—Parts
You can think of "Parts" as slots into which Patches
are placed. They can be thought of as being a little like
musicians. You can select a patch (instrument) for each
part (musician), and play multiple parts at once. The
JX-305 has eight parts for pattern playback, and you
can adjust the volume and pan etc. for each part.
fig.1-4TEXT (#MC fig.1-6)
Sound generator section
Part 1 Patch
Patch
Part 2
Part 3 Patch
Part 4 Patch
Part 5
Patch
Part 6 Patch
Part 7 Patch
R Part Rhythm Set
Parts 1–7
For each of these parts, you can select a patch and play
melodic, bass or chordal instruments. Since it is also
possible to select an individual rhythm tone, you can
also use one of these parts as an auxiliary rhythm part.
14
FILTER AMPLIFIER
FILTER AMPLIFIER
ENV ENV
Setup parameters
Setup parameters
Setup parameters
Setup parameters
Setup parameters
Setup parameters
Setup parameters
Setup parameters
Rhythm part
For this part, you can select a rhythm set and play per-
cussion instrument sounds.
About simultaneous polyphony
The JX-305 is able to play up to 64 notes simultaneous-
ly. If the incoming musical data requests more than 64
notes simultaneously, some notes will drop out. When
using patches with a long release time or when using
RPS, be careful not to exceed the maximum simultane-
ous polyphony. The number of notes that can be
sounded will actually depend not only on the number
of notes being played, but also on the number of tones
that are used by each patch.
For example, if you are playing a patch that uses four
tones, that patch will take up four times the number of
notes that are played.
If you would like to know about the polyphony
settings...
The Voice Priority parameter can be set for
each patch to specify how notes will be turned
off when the maximum polyphony is exceeded.
"Settings Common to the Entire Patch
(Common)" (p. 77)
The Voice Reserve parameter can be set to
specify a minimum number of notes that will
be reserved for each part.
"Specifying the Number of Notes for Each
Part (Voice Reserve)" (p. 169)

How the Sequencer Is Organized

The sequencer records your performance and con-
troller operations as musical data. Playing back the
sequencer will cause this recorded musical data to be
sent to the sound generator, making it produce sound.
In other words, the sequencer plays the instrument
instead of the musician.
In the sense that it records and plays back a perfor-
mance, a sequencer is similar to a tape recorder.
However, it has unique advantages: the tempo can be
modified without affecting the pitch, there is no
decrease in sound quality no matter how many times
you play something back, and extremely detailed edits
can be made at will.
Musical Data Played Back by the
Sequencer—Patterns
Patterns are musical data of various genres for the
sequencer to play back, and can be selected even while
they play back. The data within each pattern is divid-
ed into parts, and you can record or play back each
part separately, or modify the musical data inside each
part. For each pattern, you can also specify things such
as the patch, volume and effect settings that will be
used by each part.