About the Sound Settings Dialog
You use the Sound Settings dialog to change your audio compression settings for both
the QuickTime and AIFF output formats. To open this dialog, click the Audio Settings
button in the AIFF or QuickTime Movie Encoder pane.
Creating AIFF Files
If a particular audio setting cannot be changed, it remains dimmed. Some audio codecs
allow you to configure additional settings, which appear in the lower half of the Sound
Settings dialog. In some cases, an Options button becomes available. Click it to configure
Choose the number
of channels (the
selection varies based
on the codec).
Choose a rate that
provides the quality
and file size required.
Choose an audio codec.
based on the codec
The Sound Settings dialog contains the following items, with various choices for each,
depending on the audio codec you choose in the Format pop-up menu.
• Format: Choose the audio codec you want to add to your setting.
• Channels: Choose the type of channel output, such as mono, stereo, or some type of
multichannel output, depending on the codec.
• Rate: Choose the sample rate you want to use for your media file. The higher the sample
rate, the higher the audio quality, but the larger the file. Downloading a larger file takes
longer and requires more bandwidth.
• Show Advanced Settings: This button remains dimmed unless the codec you selected
from the Format pop-up menu offers options. Contact the manufacturers of these
codecs directly for more information about the additional options they offer.