User Manual

EVENT LIST
420
End time is the location at which the note stops
playing — where it cuts off. Like note attack times,
the end time is displayed in whatever time formats
you choose in the Time Formats window.
Pitch bend
A pitch bend event comprises a start time and a
value. Pitch bend data causes the pitch of notes
being played to change. When a stream of pitch
bend data occurs, a smooth pitch change can be
approximated. A value of zero signifies no bend,
increasing values bend the pitch up, and decreasing
values bend it down. Values are in the range -8192
to 8191.
There is no specific MIDI standard for how much
of a bend specific pitch bend data causes: each
instrument may be different. Also, some
instruments do not respond to all 16,384 values;
adjacent values may produce the same result.
Patch change
A patch change event has a start time and a patch
change number. When an instrument receives a
patch change, it changes to the patch specified by
that number.
Patch changes are generally in the range 0 to 127.
Some MIDI devices use the range 1 to 128. In such
cases, the patch number displayed in Digital
Performer may be one less than the number on the
MIDI module. Digital Performer thus would
display a zero when a 1 was sent, a 9 when a 10 was
sent, etc.
Some MIDI instruments have more than 128
patches. Since MIDI only allows for 128 different
patch values to be sent, there is no direct way to
access patches above the 127th one. In this case,
there is usually some way to set up banks (groups)
of patches and switch banks via a “bank select
MIDI command. If this is the case, and the devices
patch lists support bank select messages, patch
change messages for the device appear with the
appropriate bank select number as shown below.
The bank number automatically appears in tracks
assigned to a device that supports them in its patch
lists. If the track is assigned to a non-bank select
device, no bank number is shown.
Figure 40-6: If a MIDI instrument supports bank select, the bank
selection numbers (controller 0 and/or 32)
Song change
Song changes, also called song select, select songs
(a collection of rhythmic patterns) on drum
machines. They have a value range of zero to 127.
Song changes have no channel number when sent
over MIDI: all connected instruments receive
them.
Mono key pressure
Also known as aftertouch or channel pressure, this
is actually a special kind of controller. A mono key
pressure event has a start time and a value between
zero and 127. If you continue to press down a key
after you play a note, mono key pressure
information is sent. The harder you press, the
higher the value. Mono key pressure can be used
for such things as changing the timbre (tone
quality) of a sound or controlling the amount and
depth of vibrato.
Patch
number
Bank number
(Could be one or two numbers,
depending on the MIDI device.)
Patch (sound)
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