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Remove HDMI Audio?

Discussion in 'Audio' started by joshzstuff, Dec 14, 2017.

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  1. joshzstuff

    joshzstuff

    49
    1
    Jul 4, 2010
    I wish to remove the audio properties of my HDMI display cables.
    Is there a way to do this by making an adapter that cuts out certain pins?

    The problem:
    I'm having problems with Audio being diverted to my monitors instead of the desired audio device.
    (Windows 10 has a tendency to re-route Audio to a newly plugged in device. This has been a problem for my system.)

    Solutions I've tried:
    Software:
    I've already tried the Software solution of disabling all audio sources, however when Windows updates mysteriously these audio sources get re-enabled!
    I've searched this topic and found a few places where people wanted to extract the Audio from HDMI.
    (SPDIF- so perhaps there is a way to omit the Audio?)

    DVI output:
    Since DVI does not carry audio, a DVI to HDMI cable is safe from this behavior.
    (Windows does not even recognize the display as a potential audio device)
    Using DVI outputs from the graphics card and HDMI adapters would solve the problem, however I don't have enough.

    Here is the pinout of HDMI from Wikipedia:
    [​IMG]

    Compared with the pinout of DVI:
    (Single link pins circled)
    [​IMG]

    If you count the flat pin, This seems to be a 19pin to 19pin direct connection.
    But I didn't think HDMI and DVI used the same standard.

    Does anyone know of a way to disable only the pins responsible for Audio?
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    9,654
    2,018
    Nov 17, 2011
    Afaik you cannot remove audio from HDMI by cutting wires. Audio is multiplexed into the serial data stream. An HDMI to DVI converter is a good hardware solution when manipulating the software settings fails (as in your case).
     
  3. joshzstuff

    joshzstuff

    49
    1
    Jul 4, 2010
    Yes I see that you are right.
    I have some converters ordered, but if these are just pin for pin connections (19 to 19 connections as shown above) Then there is really no "conversion" being done is there?

    I might have to look into some other software help, hopefully not anything that makes my system less stable overall.
     
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