Devices > Video Cards, Monitors, Televisions, and Projectors

Audio Stops When TV Screen Sleeps

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astromo:

--- Quote from: 6233638 on August 16, 2014, 12:20:54 pm ---Breaking the video connection is most likely severing the audio connection, since they are typically linked with HDMI.
The only fix would be to prevent the display from turning off or using a device like the Gefen to make the receiver think the display is still connected.

--- End quote ---

As in a dummy plug?
http://www.fit-pc.com/web/products/fit-headless/
https://rumorscity.com/2013/12/06/how-to-create-dummy-plugs-for-your-graphics-cards/
Looks like a relatively cheap way of running headless.

If you had a screen as part of the deal and went for a switch, then you could plug the headless plug to one port and switch to it when the monitor is shutdown.

6233638:
No, that would not solve the issue of HDMI running the audio clock off the video signal, thus requiring the video connection to be maintained.
 
Those dummy plugs are for headless computers where the graphics card is not initialized without a display connected on boot.
 
What something like the Gefen Detective device does, is make the computer think that the video connection is still active even when the display is switched off, so it should not drop the audio signal.

Rafal Lukawiecki:
I have been experiencing issues with HDMI initialisation of Id ever since the early versions, but it works with workarounds (like having to boot it while the amp is not selecting the Id's HDMI input). However, the upgrade to Id's 3.16 kernel, which is currently in beta, breaks my ability to have audio fed into the amp beyond the first amp power-off or input change. Bob suggested that I may need a "dummy HDMI" device, like the fit-pc one (http://www.fit-pc.com/web/products/fit-headless/).

Did any of you successfully use this to overcome the problem Id has with some amps, in terms of the audio disappearing after the first power-off or input change of the amp?

dmarkovi:
I had the same issue with my setup. Liva pc -> receiver -> projector. When I would turn off my projector the audio would stop, which was awful because I want to listen to my music but not have to pay to replace the bulb that often. After messing around with settings I figured out that I can just open gizmo, connect to the liva pc and press play on whatever audio I want while the projector was off and it would work fine. If I turned off or on the projector the audio would stop.

6233638:

--- Quote from: dmarkovi on May 15, 2015, 06:21:33 pm ---I had the same issue with my setup. Liva pc -> receiver -> projector. When I would turn off my projector the audio would stop, which was awful because I want to listen to my music but not have to pay to replace the bulb that often. After messing around with settings I figured out that I can just open gizmo, connect to the liva pc and press play on whatever audio I want while the projector was off and it would work fine. If I turned off or on the projector the audio would stop.

--- End quote ---
Yes, that's why you need one of these "HDMI Detective" products, so that the PC always thinks it's connected to a display, without knowing whether it is actually on or off.

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