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Audio over HDMI problems with a 4870

  • 15-02-2009 2:40am
    #1
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,100 Mod ✭✭✭✭


    I'm using windows 7 beta build 7000. I have my 4870 connecting to my sony DWG700 via HDMI cable (using the DVI > HDMI adapter that came with the graphics card). I then connect that to my samsung T240 via a HDMI cable.

    I get video fine but I get no audio. I've disabled the on board audio incase it was conflicting. I'm using catalyst drivers 9.1 (I think, it's definitely 9. something) and the realtek 2.69 drivers.

    I can't figure this out for the life of me. Has any one had this problem and sorted it or know what I'm doing wrong?

    Cheers for any help guys.


Comments

  • #2
    Jonathan
    Moderators, Education Moderators, Home & Garden Moderators Posts: 8,214 Mod ✭✭✭✭Jonathan


    Can dvi carry audio? :s


  • #3
    Overheal
    Registered Users, Registered Users 2 Posts: 85,049 ✭✭✭✭Overheal


    DVI does not support Audio.

    Cush you have Realtek Digital Output set as the primary/default playback device?


  • #4
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,100 Mod ✭✭✭✭AlmightyCushion


    jmccrohan wrote: »
    Can dvi carry audio? :s

    Yes it can carry audio it just normally doesn't. That's why you need to use the included DVI > HDMI adapter.
    Overheal wrote: »
    DVI does not support Audio.

    Cush you have Realtek Digital Output set as the primary/default playback device?

    Since disabling the on boards sound I only have one device in the sound options. This is the "Realtek HDMI output".


  • #5
    Dirtt_Diver
    Closed Accounts Posts: 72 ✭✭Dirtt_Diver


    It doesn't carry sound, the sound card is for sound and the graphics card is for graphics, get an audio out cable and use both, not sure what HD sound sounds like but must be good!:D


  • #6
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,100 Mod ✭✭✭✭AlmightyCushion


    Dirtt_Diver wrote: »
    It doesn't carry sound, the sound card is for sound and the graphics card is for graphics, get an audio out cable and use both, not sure what HD sound sounds like but must be good!:D
    The 4000 series graphics cards do both audio and video (the 2000 and 3000 series did as well). There is no need for a seperate sound card.


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  • #7
    Donald-Duck
    Registered Users, Registered Users 2 Posts: 1,119 ✭✭✭Donald-Duck


    AlmightyCushion wrote: »
    The 4000 series graphics cards do both audio and video (the 2000 and 3000 series did as well). There is no need for a seperate sound card.

    Just backing you up here. Hes right, it does support audio. Did you connect the additional wire from the card to board for audio?


  • #8
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,100 Mod ✭✭✭✭AlmightyCushion


    Donald-Duck wrote: »
    Just backing you up here. Hes right, it does support audio. Did you connect the additional wire from the card to board for audio?
    I didn't know there was one. I thought the 4870 had the chip on the card and didn't just pass through the motherboards audio. I didn't get any audio cable with the card that I can see.


  • #9
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,100 Mod ✭✭✭✭AlmightyCushion


    Looks like it isn't the 4870. I hooked my PS3 up and it's not playing any sound either.


  • #10
    Blazer
    Registered Users, Registered Users 2 Posts: 17,452 ✭✭✭✭Blazer


    First off the 4870 doesn't require the spidf connector like the Nvidia range of cards.
    You'll get sound straight from the hmi-dvi connector.
    I really wish people would stop giving completely wrong advice on pc forums.

    Op..I've noticed you've been a very naughtly mod and double posted this in separate forums :D
    Anyway glad to see you fixed it..and remember...RTFM :P


  • #11
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,100 Mod ✭✭✭✭AlmightyCushion


    Mathew Reilly wrote: »
    Op..I've noticed you've been a very naughtly mod and double posted this in separate forums :D

    You'll see I only posted that thread after I realised that it wasn't down to the graphics card. I'm a good boy me. :)
    Mathew Reilly wrote: »
    Anyway glad to see you fixed it..and remember...RTFM :P

    Manuals are for pussies.


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  • #12
    Blazer
    Registered Users, Registered Users 2 Posts: 17,452 ✭✭✭✭Blazer


    AlmightyCushion wrote: »
    Manuals are for pussies.

    If everyone read the manuals we wouldn't have the classic RTFM :D


  • #13
    Overheal
    Registered Users, Registered Users 2 Posts: 85,049 ✭✭✭✭Overheal


    http://www.avforums.com/forums/graphics-cards-tv-tuners-webcams/811128-no-sound-4870-dvi-hdmi-cable.html#post7589325
    http://www.avforums.com/forums/graphics-cards-tv-tuners-webcams/811128-no-sound-4870-dvi-hdmi-cable.html#post8462807

    Where the hell is TerrorFirmer? He's usually knowledgable about this sorta thing.


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