Apple Logic Pro 7.1 Manual de usuario descargar pdf (Pagina 9)

Apple Loops Handling

Q Q Q

Add to Apple Loops Library Command

Perhaps the most obvious change in Apple Loop handling is that you can

now create Audio and MIDI Apple Loops directly within Logic Pro 7.1 itself.

Saving an Audio or Audio Instrument region as an Apple Loop is very

straightforward: simply select the region and choose the new “Add to Apple

Loops Library” command in the Region local menu of the Arrange window.

Choosing this command will present the Add Region to Apple Loops Library

dialog shown in Figure 10.

In this dialog, first click in the appropriate

TTyyppee

radio button to configure

your Apple Loop to be a

LLoooopp

, which will follow the song’s tempo and key,

or a

OOnnee--sshhoott

Apple Loop, which will not follow the song’s tempo and key.

One-shot loops are useful if you are turning a sound effect or ambient sam-

ple into an Apple Loop in order to use the Loop Browser categories to

organize your sound effects/ambient library but you don’t want these loops

to change with your Logic project.

Next, choose a

SSccaallee

for your Apple Loop.

TO CONVERT OR NOT TO CONVERT?

Of course, now that Logic Pro 7.1 will allow you to convert ReCycle files into Apple Loops, the

question is, is it advantageous to do so?

To answer this, you need to consider how Apple Loops adjust the audio to the song tempo versus

how REX files adjust the audio to the song tempo. REX files consist of multiple slices of audio in

one REX loop. The REX file adjusts to changes in tempo by moving the slices closer together or

farther apart. This means that at extreme tempo adjustments, there might be audible silence

between audio slices. Apple Loops consist of audio loops in which musically or temporally rele-

vant transients in the loop have been tagged. The Apple Loop then stretches or compresses the

audio at those transient points. This means that at extreme tempo adjustments, there might be

noticeable stretching artifacts.

So if your loop includes some silence or dropouts between the relevant audio, such as a drum

loop with clearly delineated drum instruments, keeping your loop in the REX format is probably

best, since this will never stretch your beat unnaturally. On the other hand, if your loop consists of

steady sound, such as a bass or synth groove, converting your loop to an Apple Loop is probably

best, because this will never create an audible silence between the notes.

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