GarageBand '08: Longer projects may not export correctly

Sometimes, when you export a song or podcast, there may be no file, a very small file, or an empty file when the export completes. With GarageBand 4.1.2, you may see a dialog warning that the export can not be performed.

There is a known issue with longer projects. The issue varies, depending on the type of audio file you export, the Auto Normalize setting, and which version of GarageBand 4 you are using.

To change the Auto Normalize setting:

  1. Choose GarageBand > Preferences.

  2. In the Advanced panel, set the Auto Normalize option.

GarageBand 4.1.2 has the following export length limits. If you try to create an export that exceeds the length limit, a warning dialog will come up:

File

Max. Length

16-bit AIFF, Auto Normalize On

1h 41min

24-bit AIFF, Auto Normalize On

1h 41min

16-bit AIFF, Auto Normalize Off

3h 20min

24-bit, Auto Normalize Off

2h 13min

AAC

None*

MP3

None*

*16 or 24-bit AAC or MP3 files with Auto Normalize on that exceed 1h 41min will not have updated media previews. 16-bit AAC or MP3 files with Auto Normalize off that exceed 3h 20min will not have updated media previews. 24-bit AAC or MP3 files with Auto Normalize off that exceed 2h 13min will not contain media previews.

GarageBand 4.0 - 4.1.1 has the following length limits. If you attempt an export that exceeds these lengths, there will be no warning, and the resulting file will not be usable:

File

Max Length

16-bit (any type), Auto Normalize On

1h 41min

24-bit (any type), Auto Normalize On

1h 41min

16-bit (any type), Auto Normalize Off

3h 20min

24-bit (any type), Auto Normalize Off

2h 13min

This document will be updated as more information becomes available.

Published Date: