Playing Back Data With Midi Sequencers; Issues Common To All Modes: Performance/Patch/Rhythm Set/Gm - Roland XV-5080 Q&A, Sound List

Q: Using the Matrix Control or other such
means to control the LFO results in noise when
the Pan is changed suddenly.
A: Lower the change in speed (LFO Rate).
Due to the specialized processing used for the Pan, which
alters the volume level in each of the left and right sides,
sudden Pan movements causing rapid changes in these
levels creates large changes in volume, and noise from this
may be audible as a result.
Playing Back Data with MIDI
Sequencers
Q: Performances are sluggish, or have
interruptions.
A: Problems of sluggish and interrupted performances can
crop up very easily when the sequencer or sound module
used for the performance has to handle heavy data loads.
The following outlines some common reasons for this.
• Are more than 128 voices playing simultaneously?
Reduce the number of voices.
The composition of XV-5080 Patches is such that up to
eight Waves may be used for one Patch. When using
such Patches, even though only one sound may be
heard, it is actually eight sounds that are being played
simultaneously. In addition, with certain sounds like
continuous sounds with long releases, even though the
actual sound may not be audible to you, processing for
playing the sound is still underway, so in these cases as
well, the performance data can differ from the actual
number of voices being played.
You can find out how many sounds are actually being
sounded in the Part
Information page.
• Are you using a Patch that uses a lot of LFO? Try
changing to a different Patch.
LFO processing invariably places a big load on the
machine, so heavy use of the LFO slows down
processing for the XV-5080 overall, which can end up
having affecting the expression of sounds themselves.
• Is the data concentrated at the beginning of the beats in
the sequence data? Avoid overlapping data with the
same timing by setting an offset of 1-2 ticks instead.
Data may easily become concentrated at the beginning of
the beats in the song data when, for example, the song
data is input using Step Recording, or if the data is
quantized after being input with a keyboard in real time.
Because of this, large amounts of data are sent to the XV-
5080, and the processing for expressing sounds becomes
bogged down.
• Is there a Program Change at the point where the song
performance is sluggish? Change the position of the
Program Change.
When Program Changes are inserted in songs,
processing time for switching patches increases, which
may then cause the performance to become sluggish.
• Is there a System Exclusive message at the point where
the song performance is sluggish? Move the location of
the data.
System Exclusive messages contain large amounts of
data, thus placing a heavy burden on sequencers and
sound modules. Try repositioning data and changing
System Exclusive messages to Control Changes for any
data for which Control Changes can be substituted.
• Is there an Aftertouch or other such large Control
Change at the point where the song performance is
sluggish? Move the location of the data.
In some cases, when using a keyboard that features
aftertouch to input data, you may end up inputting huge
amounts of data before realizing this is happening. Such
large amounts of data can place an excessive load on
your sequencer and sound module.
Issues Common to All Modes:
Performance/Patch/Rhythm Set/GM
Q: What are the differences between
Performance, Patch, Rhythm Set, and GM
modes?
A: The XV-5080 features four modes, Performance, Patch,
Rhythm Set, and GM, each of which is best suited for the
particular applications for which it is used.
Patch Mode: This mode is selected mainly when the XV-
5080 is used as a stand-alone instrument, as well as for
creating tones; messages can be received on only one MIDI
channel.
Rhythm Set Mode: This mode is selected mainly when the
XV-5080 is used as a stand-alone Rhythm Set, as well as for
creating Rhythm Sets; messages can be received on only one
MIDI channel.
Performance mode: Messages can be receive on up to 16
MIDI channels, with each channel used for playing a
different tone. This mode is used mainly for playing
ensemble performances featuring multiple instruments.
Furthermore, you can also create whole new tones by
playing multiple Patches superimposed in a single MIDI
channel (Layer).
GM Mode: This is selected when using the XV-5080 as a GM
Level 2 sound module. While this mode also allows
performances of up to 16 tones, it is exclusively for playing
back commercially available GM and GM Level 2 song data,
and creating GM-compatible song data, so there is a limited
number of tones that can be selected.
Q&A
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