AIFF Files
AIFF stands for Audio Interchange File Format, a standard defined by Apple Inc. AIFF files have the extension .aif and are used on most computer platforms.

Insert Broadcast Wave Chunk
Activates the embedding of additional file information.
NoteBy activating this option, you create a Broadcast Wave file. Some applications may not be able to handle these files. If you get problems using the file in another application, deactivate Insert Broadcast Wave Chunk and export the file again.
Edit
Opens the Broadcast Wave Chunk dialog where you can enter embedded information.
Insert iXML Chunk
Includes additional project-related metadata, such as project name, author, and project frame rate.
Insert Tempo Definition
This option is only available if Insert iXML Chunk is activated. It allows you to include tempo information from the tempo track or from the Definition section of the Sample Editor in the iXML chunk of the exported files.