Apple Logic Pro 7 User Manual download pdf (Page 125)

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Chapter 3 Arrange Window 125

The purpose of a hidden direct connection is to enable you to address the individual

MIDI ports directly from the Arrange window without needing to access the

Environment window. For most situations, this is the best way to assign instruments to

ports, as it eliminates the need for cabling.

Keep in mind that if you directly assign a port, and also connect the instrument to a

MIDI Out Object with a cable, all MIDI data sent via that instrument will be doubled. If

you attempt to do this, Logic displays a dialog box asking whether or not you should

“Keep or Remove?” the direct connection. You will generally select Remove in this

situation.

The MIDI channel is set with the Channel parameter. This defines the channel used for

MIDI data output by the instrument, allowing your “real” instrument to receive the data.

Setting the MIDI Channel: Multi Instruments

In the Instrument’s Object Parameter box, you can also alter the MIDI channel of an

instryment part (a “sub-channel” or “part” of a Multi Instrument). This does not reassign

the channel for the current part, but rather selects another sub-channel from the

current Multi Instrument.

You can’t actually change the receive channel of a part in the multitimbral synthesizer.

This is only possible in a few models (and is not particularly useful when using a

multitrack sequencer, at any rate). The Channel parameter is really an alternative way of

changing the track instrument, allowing the track to be played by a different part (sub-

channel) in the multitimbral synthesizer.

If the MIDI channel is set to All, you can edit the parameters of the whole multi

instrument. A useful facility for globally changing the MIDI port, for example.

Adjusting the Sound of a Track

The Program, Volume, and Pan parameters transmit program changes, volume

controllers (#7) and pan controllers (#10) respectively.

If the respective box is unchecked, the default value of the MIDI device itself is used.

The corresponding value is only transmitted if you place a check in the box, by clicking

in it. If the box is already checked, any value changes are transmitted immediately.

A program change may be selected on the right, via a pull-down menu. Volume and

panorama are set by using the mouse as a slider. When dealing with multi instrument

sub-channels, sounds can be selected from a pull-down menu by name. Control-

clicking just above or below any current value increases or decreases it.

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Apple Logic Pro 7 User Manual Page 125

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