Apple Soundtrack Pro 2 - Manual (Page 408)

408 Chapter 16 Exporting Multitrack Projects
5 Choose from the export options in the Bitstream pane.
These settings are stored in the finished stream for use by the playback device. Leave them
at their default values unless you have a specific technical reason for changing them.
 Center Downmix and Surround Downmix pop-up menus: If your encoded audio has
these channels, but the player does not, the channels are mixed into the stereo
output at the specified level.
 Dolby Surround Mode pop-up menu: When encoding in 2/0 (stereo) mode, specifies
whether the signal uses Dolby Surround (Pro Logic).
 Copyright Exists checkbox: Select this option to specify that a copyright exists for
this audio.
 Content is Original checkbox: Select this option to specify that this audio is from the
original source and not a copy.
 Include Audio Production Information: Select this checkbox and fill in the fields below
to specify how the encoded audio content was mixed. Playback devices may use this
information to adjust output settings.
 Peak Mixing Level field: Specifies peak sound pressure level (SPL) (between 80 dB
and 111 dB) in the production environment when this mix was mastered.
 Room Type field: Specifies information about the mixing studio.
AC-3 Bitstream
export options