Apple Soundtrack User Manual download pdf (Page 79)

Chapter 5 Working with Projects 79

To set the time format:

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

Beats-based 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 98.

Sample Rate

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

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 48 kHz, which is the standard for DVD-quality audio.

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 2,

“Setting Up Your System,” on page 21.

Beats-based

Format button

Time-based

Format button

Sample Rate

pop-up menu

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Apple Soundtrack User Manual Page 79