Apple Logic Pro 9 User Manual
Page 439
To choose the recording file type
1
Open Audio preferences by doing one of the following:
• Choose Logic Pro > Preferences > Audio (or use the Open Audio Preferences key
command).
• Click the Preferences button in the Arrange toolbar, and choose Audio from the pop-up
menu.
2
Click the General tab.
3
Choose the file type in the Recording File Type pop-up menu.
There is a maximum recording size according to file type, as follows:
• AIFF: The AIFF file format cannot handle audio file recordings larger than 2 GB:
• For 16-bit, 44.1 kHz stereo files, this equals a recording time of about 3 hours and
15 minutes.
• For 24-bit, 96 kHz, 5.1 surround files, this equals a recording time of about 20 minutes.
• WAVE (BWF): The WAVE file format cannot handle audio file recordings larger than
4 GB:
• For 16-bit, 44.1 kHz stereo files, this equals a recording time of about 6 hours and
30 minutes.
• For 24-bit, 96 kHz, 5.1 surround files, this equals a recording time of about 40 minutes.
• CAF: If the size of your recording exceeds the above limits, choose the CAF (Apple
Core Audio Format) file format, which can handle the following recording times:
• About 13 hours and 30 minutes at 44.1 kHz
• About 6 hours at 96 kHz
• About 3 hours at 192 kHz
The bit depth and channel format—mono, stereo, or surround—do not affect the
maximum recording size of CAF files.
439
Chapter 14
Recording in Logic Pro