Digital X Bus
When connecting the Digital X Bus to a Digital Audio Workstation (Digital Performer, Studio Vision Pro, Cakewalk Pro, etc.), word clock synchronization must be addressed; the master and slaves must be established; the clock rate must be consistent throughout; and the audio path into the console must be intelligently configured.
Let’s consider a common
•A combination digital audio/MIDI software package
•A MIDI interface (or in this example, two 4x4 USB MIDI interfaces)
•A digital audio interface with lightpipe audio connections
Cabling and Hookup
(Refer to illustration on the next page.)
1.Connect the Digital X Bus lightpipe output, from the DIGITAL card, to the digital audio interface lightpipe input. Likewise, connect the lightpipe output from the digital audio interface to the Digital X Bus' lightpipe input.
2.Connect the digital audio interface to the com- puter per the manufacturer’s specifications.
3.Connect the SMPTE I/O from the Digital X Bus Sync card to the SMPTE I/O on the digital audio interface to provide time code communication.
4.Connect the two 4x4 USB MIDI interfaces together via their MIDI IN and OUT connectors, and connect one to the USB port on the Digital X Bus and the other to the USB port on the digital audio interface.
Settings
Digital X Bus1.Open the I/O Configuration window.
2.Click the Digital Card to open the
3.Click the ADAT Inputs box at the bottom of the
4.The inputs and outputs for the Digital card are configured for their default settings based on the card's position in the card cage. You can change the output settings in the
5.Open the I/O Configuration window and click the Sync card to open the Clock Setup window.
6.Set the Digital X Bus Sample Rate to match the computer’s sample rate (typically 48kHz or 44.1kHz). Selecting “Internal” in the Sample Clock
1.Set the digital audio interface to follow ADAT optical at the interface input (from the Digital X Bus lightpipe output).
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