Apple Logic Pro 7 User Manual download pdf (Page 112)

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112 Chapter 3 Arrange Window

Note: Strictly speaking, tracks don’t need to be routed to an instrument or audio

channel, as you can assign any Environment Object to the output of a track. The track

data could conceivably be sent to a folder, or directly to a MIDI port (a MIDI Region).

Obviously, audio data would not be understood by a MIDI sound module, so there is no

point in routing a track that contains audio data (in a Region) to an instrument.

Similarly, there is no point in routing a track that contains MIDI data (in a MIDI Region)

to an audio channel.

To aid understanding, we will use the term “instrument” rather than “audio channel” (or

the correct, but long-winded, “track data destination object”) in this section.

A MIDI track is automatically record enabled when selected. The Record Enable button

turns red to indicate this “armed” state. During recording, a MIDI Region (containing the

recorded MIDI events) is created on the selected (and armed) track.

An audio track is not automatically record enabled when selected. You must press the

Record Enable button on the desired track, which will turn red to indicate an “armed”

state. During recording, an Audio Region (a pointer to the recorded audio file) is

created on the selected (and armed) track.

Track Icons

Logic offers high resolution, scalable (from 128 × 128 pixels downwards), and user-

definable icons.

User-Definable Icons

You can create your own icons for tracks. These icons must be of 128 × 128 pixels in size,

must have an alpha channel for transparency and must be saved in the portable

network graphics format (with the “.png” suffix). The filename must also start with a

three-digit number. If this number is below 325, the corresponding built-in Logic icon

will be replaced with your new graphic (you can check the number of existing Logic

icons by clicking on them in the Object Parameter box).

There are two possible locations for user icons:

The ~/Library/Application Support/Logic/Logic Resources/Icons folder can contain icons

which are only valid for the particular user (~ is the user name). If you save your icons

in the root directory—/Library/Application Support/Logic/Logic Resources/Icons—the

icons are valid for all users. If icons with identical numbers exist in both folders, the

icons found in the user folder have priority.

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Apple Logic Pro 7 User Manual Page 112

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