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Glossary 105
track A horizontal row in the Arrange that contains either audio or MIDI regions that
can be played back over time. Each track has a specified destination (a channel strip)
that data is routed to. Logic allows hundreds of tracks to be used in a project.
track arming See record enable.
track list Situated to the left of the Arrange. Displays the channel strips assigned to
various tracks as well as Track Solo, Mute, and other buttons.
Track Protect button The button featuring the lock icon, shown in the Arrange track
list: allows/disallows further edits to tracks. Also see protected track.
Transport bar A field shown at the bottom of the Arrange window, used to control
recording and playback functions. The Transport bar offers Record, Pause, Play, Stop,
and Rewind/Forward buttons plus other functions. You can also open independent
Transport bar windows by choosing Window > Transport (Command-7).
transposition Transposition is the act of changing the pitch of an audio or MIDI region
(or event) by a number of semitones.
Undo function Function which reverses the previous editing operation. The Undo
History allows multiple undo steps to be made.
velocity Force at which a MIDI note is struck; controlled by the second data byte of a
note event.
Velocity tool This tool, found in the Logic MIDI editors, allows the velocity of
individual, or grouped, note events to be adjusted.
WAV, WAVE The primary audio file format used by Windows-compatible computers. In
Logic, all recorded and bounced WAV files are in Broadcast Wave format, which includes
high-resolution timestamp information that stores positional information. This makes it
easy to align these files in other audio and video applications.
waveform A visual representation of an audio signal. Waveform graphics run from left
to right, and are centered on a horizontal line. Louder portions of the waveform
(amplitude peaks) are indicated as taller spikes or higher curves in the waveform.
wet/dry mix Refers to the ratio of a signal that effects have been added to (wet), and
the original, unprocessed signal (dry).
zero crossing A point in an audio file where the waveform crosses the zero amplitude
axis. If you cut an audio file at a zero crossing there will be no click at the cut point.
zoom An action that enlarges (zooms in on) or shrinks (zooms out from) the display in
a Logic window. The Zoom tool, and the zoom controls found in the lower left and
upper right corners of windows, are both used for zooming tasks. Also see zoom
control and zoom level.