Apple Soundtrack Pro User Manual download pdf (Page 83)

Chapter 4 Working With Multitrack Projects 83

To set the time format:

m Click the Time Format button to set the format to Time-based, or click the Beats Format

button to set the format to Beats-based.

You can also set individual tracks to use a different time format than the project’s time

format. For information on setting a track’s time format, see “Changing Track Time

Format” on page 104.

Sample Rate

The project sample rate determines the number of samples per second Soundtrack Pro

uses for audio playback and export. When you add audio files to your project, their

sample rate is matched (upsampled or downsampled) on the fly to the project sample

rate. The available sample rates are 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, and 96 kHz. The

default is 44.1 kHz, which is the standard for CD-quality audio recording.

Note: Digital video projects, including video for DVD, often use a 48 kHz sample rate.

When creating a score for a video, be sure you save and export your project at the

same sample rate the final video project will use.

To set the sample rate:

m Choose the sample rate from the Sample Rate pop-up menu.

Note: If you open your project on a computer that cannot support the project sample

rate, the project is resampled to the nearest rate the hardware supports for playback.

When you export your project, it is exported at the project sample rate, regardless of

hardware limitations. For more information on hardware sample rates, see Chapter 1,

“Setting Up Your System,” on page 13.

Time-based

Format button

Beats-based

button

Sample Rate

pop-up menu

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Apple Soundtrack Pro User Manual Page 83