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Configuring Digidesign Pro Tools
Before your X-Digi-Mix-equipped Apogee interface will send and receive signals from Digidesign Pro
Tools software, certain hardware settings must be made in the software.
1) Before modifying hardware settings in Pro Tools, we recommend that the "DigiSetup" Preference
file be deleted to the Trash, the Trash emptied, and the computer re-booted.
2) A X-Digi-Mix-equipped Apogee interfaces uses the same Peripheral protocol as a Digidesign 888/
24, thus please consult the instructions found in your Digidesign documentation to configure Pro
Tools software for use with an 888/24.
Working With Pro Tools
For most aspects of operation such as routing, a X-Digi-Mix-equipped Apogee interfaces operates
identically to a Digidesign 888/24. Indeed, Apogee interfaces are recognized and labeled as 888/24s
in Pro Tools software.
Pro Tools software offers a limited number of hardware commands which are supported as fully as
possible by Apogee hardware. A detailed explanation of Pro Tools commands and the parameters
controlled on Apogee hardware is presented below.
Session Sample Rate
Sync Mode Internal
Sync Mode digital
Digital Format
Input Source (Ch 1-2,3-4,5-6,7-8)
Working with High Resolution Digital Audio in Digidesign Mix Systems
Though Digidesign Mix Systems support sample rates up to 48 kHz, it's possible to record and play
back digital audio at sample rates up to 96kHz on a Mix system with a X-Digi-Mix-equipped Apogee
interface. This is accomplished by transmitting data to and from Digidesign hardware in a "double-
wide" format, i.e one channel of 96kHz data is transmitted over 2 lines at 48 kHz. Thus, the Rosetta
800 offers 4 channels of recording and playback at 96kHz. Due to the unique nature of the data
format used, there are a few restrictions:
1) No DSP operations, including mixing, may be performed on the tracks.
2) Stereo tracks should be used, to avoid shifts in timing between the pair of tracks.
3) Cut and paste operations are allowed.
4) Though theoretical objections may arise with regard to the application of fades, many
professionals have added fades to these type of files with no adverse effects.
Pro Tools Command
Apogee Hardware Parameter
Determines SAMPLE RATE of Master Apogee interface
Master interface clocked internally
(i.e. SAMPLE RATE set to Session Sample Rate, EXT LED is off)
Master Interface clocked externally
(i.e SAMPLE RATE = EXT, SYNC to be selected manually)
Ignored – digital input format must be selected manually
Sets input pairs to either Analog or Digital input
X-Digi-Mix – User's Guide
APOGEE ELECTRONICS
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