Optical(Toshlink) out to Receiver - only stereo?

Discussion in 'Digital Audio' started by raymond lin, Dec 31, 2012.

  1. macrumors regular

    Joined:
    May 22, 2010
    #1
    Connected up my iMac to my Pioneer VSX-2021 (same as the LX55) and played through some 5.1 material but the receiver only playing out stereo?

    Out of the 3 I picked TV/Sat, plugged in the optical cable into it. In the set up menu I selected Opt-1 as per manual. it's set to Auto Digital surround in the Amp.

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    Yet I am still getting stereo showing in the amp.

    I can't see the software that says Output 5.1 either in iDVD or VLC...help!

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