1.    17 Mar 2017 #1
    Join Date : Feb 2017
    Posts : 68
    Microsoft Windows 10 Home (x64) Build 14393.1066 (RS1)

    HDMI audio vs integrated motherboard one

    hi guys!

    I have an AsRock M3A785GMH7128M motherboard which has its own sound card integrated; from the specs I read about that:
    - 7.1 CH Windows Vista Premium Level HD Audio
    (Realtek ALC888 Audio Codec)
    Into this PC I also have HDMI audio available through the nVidia GT740 (GeForce GT 740 Graphics Card | GeForce|NVIDIA - the 2GB version) video card with two monitors attached.

    I'm considering to also attach my audio receivers to the monitor audio output but I'm not sure if it would be useful, better for audio, will have downside, etc..
    From this page: Which HDMI audio formats do NVIDIA GPUs support? | NVIDIA at the end of the page I read:
    * GeForce GTX 480, 470, and 465 do not support advanced audio codecs.
    which leaves me confused...

    My audio receiver are low cost Logitech Z333 so I'm not searching for pure audio quality (I use my hifi audio stereo for that), I'm just trying to understand what will give me the best solution into this sit.. Do you have any suggestion guys?

    thanks a lot, see you!
      My ComputerSystem Spec
  2.    17 Mar 2017 #2
    Join Date : Jan 2014
    Posts : 1,188
    Win 10

    Generally, the PC's audio, Realtek in your case, is the preferred audio and will have more options than the HDMI Audio.
    The Realtek has analog outputs and (usually) an S/PDIF (digital) audio output. You can control the Realtek with the Realtek HD Audio Manager application.
      My ComputersSystem Spec
  3.    18 Mar 2017 #3

    Hi there

    one problem with using the HDMI audio from the monitor is that if you have the monitor turn off say if not being used for 10 mins (power settings) then the sound goes too until you hit a key to re-enable the monitor.

    With a sound card so long as the computer is not in "sleep" mode it will work all the time.

    That said the Audio quality is usually better from HDMI since it's created from Digital -- but on average computers with typical domestic / consumer grade components - the quality won't be mega great anyway --and given the usually pretty appalling quality of computer speakers I'd go for the most convenient option which IMO would be to use the built in audio rather than the HDMI one.

      My ComputerSystem Spec


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