10.6

Table Of Contents
1184Logic Pro User Guide
pan, pan position Describes the placement of mono audio signals in the stereo field, by
setting different levels on both sides. .
Pan control A rotary knob (directly above the Volume fader) on mono channel strips, used
to determine the position of the signal in the stereo image.
patch An element that contains the instrument, effects, and routing settings that control
the sound of a track. When you choose a patch in the Library, those settings are applied to
the currently selected track.
peak 1) The highest level in an audio signal. 2) Portions of a digital audio signal that
exceed 0dB, resulting in clipping. You can use the level meters on each channel strip to
locate peaks and remove or avoid clipping. The Search Peak command in the Audio File
Editor Functions menu searches for the sample bit with the greatest amplitude value.
peak level display A digital audio meter that displays the absolute volume of an audio
signal as it plays, making it easier to accurately view every peak in the signal.
Pencil tool A tool used to create empty MIDI regions in the Tracks area. You can also use
the Pencil tool to add audio regions to the Tracks area, when used in conjunction with the
Shift key. In the Audio File Editor, the Pencil can be used to draw out transient signal spikes
(pops and clicks) in signals.
Piano Roll Editor A MIDI track editor in Logic Pro that displays note events in MIDI regions
as horizontal beams. Events can be cut, copied, moved, resized, and edited in other ways.
pink noise A type of harmonic noise that contains more energy in the lower-frequency
range.
pitch The perceived highness (treble) or lowness (bass) of a musical sound. Pitch
corresponds to the frequency of the sound wave. See also frequency.
pitch bend message A MIDI message transmitted by the pitch bend wheel of a MIDI
keyboard.
playback Refers to playing a project, an individual region, or an audio file, so that you can
hear it.
playhead A vertical white line that indicates the current playback position in the Tracks
area and in time-based editors (such as the Piano Roll Editor and Audio Track Editor). You
can drag the playhead to change the playback position. See also scrubbing.
plug-in A software app that enhances the functionality of Logic Pro. Plug-ins are typically
software instruments or effects that can be used on Logic Pro tracks.
plug-in window A window where you can interact with the plug-in parameters. You open a
plug-in window by double-clicking the Effect slot containing the plug-in.
Pointer tool A tool used to select or edit regions, events, menu or interface items, and
more in Logic Pro.
post fader A send in an analog mixer that is positioned after the Volume fader in the signal
flow, so that the level of signals going to the send changes with the fader movements.
pre fader A send in an analog mixer that is positioned before the Volume fader in the
signal flow, so the level of a signal routed pre-fader to a send remains constant, regardless
of any fader movements.