Audio Advantage SRM - FAQs
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S/PDIF Out and Analog Outputs at the same time? 
Q:  Can I have both SPDIF out and analog outputs connected at the same time
    and have the card switch output automatically depending on format? 
    Basically I want to run everything analog except for when I have AC3 or 
    DTS material, in which case I want it to pass it through to my receiver
    to decode.

A:  The SRM itself won't be able to 'auto-sense' the format of the outgoing
    audio. Howeveer, if you leave it set to analog out in its Speaker 
    Configuration in the Control Panel, and you play a DVD movie in your 
    software movie player, setting the output in the DVD movie player to
    S/PDIF Out (or "Datastream" or "Digital Out") should automatically
    activate and use the SRM's S/PDIF Out. You shouldn't need to go to 
    the SRM Control Panel and manually activate the S/PDIF Out. 

    That said, we can't guarantee that this will be the case in your
    particular system running your particular mix of software applications.
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