Optical out not working...

Discussion in 'iMac' started by iKitten, Dec 15, 2006.

  1. iKitten macrumors newbie


    Dec 3, 2006
    ...at least not as I expected. I have a Dolby Digital 5.1 capable amp/decoder system with an optical input. When connected to my iMac via optical cable, all I'm getting is stereo PCM 44.1kHz, even when playing DVDs.

    Anyone know why this is so? Or does the iMac just not support 5.1?
  2. eva01 macrumors 601


    Feb 22, 2005
    Gah! Plymouth
    you have it set in the system preferences to use optical out and you have changed the DVD setting to the 5.1 audio (if it has it, right?)
  3. trainguy77 macrumors 68040

    Nov 13, 2003
    When you go into dvd player, stop the current DVD then go into the settings for it and tell it to do digtial out.
  4. MacsRgr8 macrumors 604


    Sep 8, 2002
    The Netherlands
    I've had to alter the sound-out prefs of Apple's DVD player a few times before getting my Z-680 Dolby 5.1 set working as "Dolby Digital" via the optical cable...
    But it does work.

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