Apple Logic Pro 8 - Manual (Page 983)

Glossary 983
global tracks Global tracks are available at the top of all linear editing windows. They
allow you to view, create, and edit markers, tempo events, and key changes, plus beat
mapping and other operations.
Glue tool This tool can be used to merge regions or events by simply clicking on two
(or more) of them.
GM Abbreviation for General MIDI. A standard for MIDI sound modules that specifies a
uniform set of instrument sounds on the 128 program numbers, a standardized key
assignment for drum and percussion sounds on MIDI channel 10, 16-part multi-timbral
performance and at least 24 voice polyphony. The GM specification is designed to
ensure compatibility between MIDI devices. A musical sequence generated by a GM
instrument should play correctly on any other GM synthesizer or sound module.
grab (an object) Positioning the mouse cursor over an object, then pressing and
holding the mouse button down.
grid The Logic Pro grid is represented by vertical lines that are used to indicate the
positions of measures, beats, and sub-beats in various editors.
GS Extended GM standard developed by Roland Inc.
Hand tool A tool used to move regions in the Arrange or events in editors, or plug-ins
between Insert slots in the Mixer. It automatically appears when the mouse cursor is
placed over a region or event while the Pointer tool is selected.
headroom An alternate term for dynamic range. See dynamic range.
help tag A small text window which appears when the mouse cursor is placed over an
interface element. It indicates the name or value of the element. When editing
operations such as moving or cutting a region are performed, a larger help tag will
display the current (and starting) position of the region or function—in real time.
hierarchical menu Structured menus that open cascading sub-menus when an
individual entry is chosen at a higher level.
Hierarchy button In the top left corner of many Logic Pro windows, you will find a
button featuring an upwards pointing, right-angled arrow. Clicking this Hierarchy
button takes you to the next, higher display level (one level up, in other words). As an
example, if you are looking at the events of a MIDI region inside a folder, clicking the
Hierarchy button will switch the display to a view of the MIDI region in the parent
folder. A further click will take you up to display the folder itself.
Hyper Draw function This function allows you to record, manually create, and edit
controller data graphically. Hyper Draw data appears as a set of points (or nodes),
which are connected by lines. Hyper Draw can be used in the Arrange and MIDI editors.