Apple Soundtrack User Manual download pdf (Page 80)

80 Chapter 5 Working with Projects

Tempo

The tempo sets the rate of the basic beat value for the project. When you add looping

files to a project, their tempo is matched to the project tempo. The tempo range is

from 60 to 200 beats per minute (bpm). The default tempo is 120 bpm (which equals

two beats per second). You set the project tempo using the Tempo value slider in the

project controls.

To set the project tempo, do one of the following:

m Click the left arrow in the Tempo value slider to decrease the tempo, or click the right

arrow to increase the tempo.

m Click the value in the value slider, then drag the slider that appears left or right to

change the tempo.

m Double-click the value in the value slider to select it, then type a new value.

You can change the project tempo over time using the Master Tempo envelope. For

information about creating tempo changes, see “Master Envelopes” on page 144.

Time Signature

The time signature controls how measures and beats appear in the Time display and

Time ruler. A project can have only one time signature, which lasts from the beginning

to the end of the project. The default time signature is 4/4 (four beats per measure,

with a quarter note as the beat value).

To set the project time signature:

m Choose a time signature from the Time Signature pop-up menu.

If you want to use a time signature not included in the list, choose Other, enter the

time signature in the dialog that appears, then click OK.

Note: The project time signature affects the format of the Playhead Position value

slider. For projects using Beats-based time format, it also affects the appearance of the

Time ruler and the gridlines in the Timeline. It does not affect the rhythm of audio clips.

If your project uses audio clips with music in a definite time signature, make sure that

the project time signature matches the time signature of the clips used in the project.

Tempo value slider

Time Signature

pop-up menu

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Apple Soundtrack User Manual Page 80