Apple Logic Pro 7 User Manual download pdf (Page 182)

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182 Chapter 4 Audio in the Arrange Window

Adjusting the Grid to Zero Crossings

If Edit > Search Zero Crossings is switched on in the Audio window, the adjustment will

snap to the nearest zero crossing point of the waveform every time you alter the start

or endpoint of a Region in the Arrange window. The Anchor is not affected.

The disadvantage of this option is that altered start or endpoints never land exactly on

the selected musical grid, and will always be a few ticks out. Normally, this won’t

matter, because the Anchor reference point is unaffected. Should this ever cause a

problem, you can simply switch off the Search Zero Crossings option. The primary

reason for activation of the zero crossings option, is that it prevents clicks and pops at

region start and endpoints.

Region Parameter Box

Name

As with MIDI Regions, the top line of the Region Parameter box displays, and allows

you to edit, the name of the Audio Region. You can name several selected Audio

Regions simultaneously; the Regions are assigned the same name, with sequential

numbers added to the end of the name. Logic inserts these numbers automatically,

unless you deliberately leave a space at the end of the name.

When you change the name of a Region in the Arrange, the corresponding Region is

also renamed in the Audio window.

Loop

As with MIDI Regions, you can use the Loop parameter to make a Region repeat

automatically. The loop repeats until it reaches the next Region on the track, the end of

the song, or the end of the folder that contains the Region.

Don’t forget that these loops are based on the Region’s sample grid. This means that

even if the Region is precisely matched to the song tempo, loop repeats may start to

go out of sync after a while. You can avoid this problem by setting the endpoint of the

Region to an exact measure boundary. In these cases, it may be better to use the

Region > Repeat Regions function (see “Copying Regions” on page 132).

Delay

Just as with MIDI Regions, you can advance or delay the playback of Audio Regions, the

smallest available units being ticks.

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Apple Logic Pro 7 User Manual Page 182

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