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  1. #1
    ROG Guru: Orange Belt Array
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    G55VW-S1173H Dolby Digital Optical Out Confirmed

    IMPORTANT: PLEASE SEE UPDATES BELOW, THIS INFORMATION IS NOT EASILY OBTAINED.

    1. Asus G55 has two audio outputs. Analog (3.5mm) and Digital SPDIF (3.5mm adaptor on Toslink to Toslink). This is the ~same~ jack, it detects analog or optical digital depending on the cable.

    2. SPDIF output only supports ~Stereo~ and ~Dolby Digital 5.1 Passthrough~.

    3. This means: you will ONLY GET STEREO output in most cases through SPDIF, including in video games. What happens is that on the SPDIF ~receiver~ eg. amps, surround headphones, etc. The receiver will UPSCALE to 5.1/7.1 etc. using Dolby Pro Logic or other means.

    4. You CAN STILL GET Dolby Digital 5.1 through SPDIF when it is "passthrough" ... That means from BluRay, VLC playback of 5.1-encoded AC3 files, etc.

    5. For MOST GAMES, the output is STEREO, since it doesn't generate/encode Dolby Digital 5.1 ~on the fly~, unless you have "Dolby Digital Live" eg. using an external soundcard like Creative XFi USB.

    6. For MOST GAMES, on your surround receiver/headphones you can choose "Dolby Pro Logic" or "Bypass". The surround receiver/headphones will still try to "upscale" to surround.

    7. AFAIK this does ~NOT~ mean that games do not have "Surround" information encoded in them somehow, this is somewhat esoteric and I am not sure how the "Surround" sound is encoded into stereo channels, but this is part of technology that Dolby has... eg. Dolby Pro Logic encoding of "Surround" in stereo channels.


    Hi all, you just need a 3.5mm to Toslink (or 3.5mm adaptor on Toslink to Toslink) to get digital optical out, ie. 5.1 surround, 7.1 surround and so on.

    The headphone jack doubles as a SPDIF output as per the specifications.

    I hope to add to this over time, if anyone can find test files, questions for games, etc... fire away...!

    Dolby Digital 5.1 (7.1?) Test Files:
    http://www.dolby.com/us/en/consumer/...-download.html
    Last edited by srmojuze; 03-15-2013 at 10:15 AM.

  2. #2
    New ROGer Array
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    thans for sharing, how is your test result? what do you mean lot of nightmares. ha...

  3. #3
    ROG Guru: Orange Belt Array
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    Quote Originally Posted by Mike_Lu@ASUS View Post
    thans for sharing, how is your test result? what do you mean lot of nightmares. ha...
    Yes Dead Space 3 will be very scary! That's what I meant ha ha.
    Last edited by srmojuze; 03-15-2013 at 10:15 AM.

  4. #4
    ROG Guru: Yellow Belt Array Tomislav's Avatar
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    ...and start to wet your bed? kidding , good advice !
    ASUS G75VX
    Win 8, i7-3630QM, 2,4 GHz, GeForce GTX 670MX, 8 GB Ram,120 Gb Samsung 840 SSD+750 Gb HDD

  5. #5
    ROG Guru: Orange Belt Array
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    Quote Originally Posted by Tomislav View Post
    ...and start to wet your bed? kidding , good advice !
    Ha Ha... I will certainly be waking up in the middle of the night, hopefully the bed won't be wet...!

    Maybe I will have more nightmares trying to use EA's Origin service! No Steam for Dead Space 3!

  6. #6
    ROG Guru: White Belt Array AlexTheRepublican PC Specs
    AlexTheRepublican PC Specs
    Laptop (Model)G55VW-DH71
    MotherboardROG STRIX Z270H GAMING
    ProcessorIntel Core i7-7700K
    Memory (part number)Corsair Vengeance LPX Black 16GB DDR4 2133MHz CL13 Dual Channel Kit
    Graphics Card #1ASUS GeForce GTX 1070 STRIX GAMING 8GB DDR5 256-bit
    Storage #1WD Blue 1TB SATA-III 7200 RPM 64MB
    CPU CoolerCorsair Hydro H80i v2
    CaseCorsair Carbide SPEC-Alpha black-silver
    Power SupplyCorsair RMx Series RM550x, 80+ Gold 550W
    Keyboard Logitech G413
    Mouse Logitech G900
    Headset Logitech G913
    Mouse Pad ROG Whetstone
    Headset/Speakers Sony SRS-X2 (AUX)
    OS Windows 10 64-bit
    Network RouterASUS RT-AC1200G+
    AlexTheRepublican's Avatar
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    Well, I am a HDMI lover so I'll use that instead of Optical :P.

  7. #7
    ROG Guru: White Belt Array AlexTheRepublican PC Specs
    AlexTheRepublican PC Specs
    Laptop (Model)G55VW-DH71
    MotherboardROG STRIX Z270H GAMING
    ProcessorIntel Core i7-7700K
    Memory (part number)Corsair Vengeance LPX Black 16GB DDR4 2133MHz CL13 Dual Channel Kit
    Graphics Card #1ASUS GeForce GTX 1070 STRIX GAMING 8GB DDR5 256-bit
    Storage #1WD Blue 1TB SATA-III 7200 RPM 64MB
    CPU CoolerCorsair Hydro H80i v2
    CaseCorsair Carbide SPEC-Alpha black-silver
    Power SupplyCorsair RMx Series RM550x, 80+ Gold 550W
    Keyboard Logitech G413
    Mouse Logitech G900
    Headset Logitech G913
    Mouse Pad ROG Whetstone
    Headset/Speakers Sony SRS-X2 (AUX)
    OS Windows 10 64-bit
    Network RouterASUS RT-AC1200G+
    AlexTheRepublican's Avatar
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    Well that was a funny reply haha

  8. #8
    ROG Guru: Orange Belt Array
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    (Edit: see first post)
    Last edited by srmojuze; 03-15-2013 at 10:16 AM.

  9. #9
    New ROGer Array
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    Great man! you are right: This information is not easy to get , even at Asus support. They have not a clear idea at this point. I have been trying to get an answer but , so far, I haven´t got an oficial confirmation of what to hook up there to get a digital output for for my audio amplifier
    Your information is really useful. Before that, I didn't know what to connect to such mysterious S/pdif
    THANKS!

  10. #10
    New ROGer Array
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    Hi

    I suppose that it's the same for G750jx...

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