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Looking for a transparent HDMI splitter for simple device mirroring with full HDMI 2.1 support

PHD

Active Member
Joined
Mar 15, 2023
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Hi

Is there a true transparent HDMI splitter that won't change the device ID or mess up the EDID or the resolution, so both signals will be an exact carbon copy of the original signal?

Say I have an Apple TV 4K and I want to feed its output to two HDMI inputs on my AVR. One would have settings for music listening (Dynamic volume, dialog enhancer off, etc) and the other for movie watching (dialog enhancer, dynamic vol on, etc).

When I connect my Apple TV to the AVR w/o a splitter, the AVR identifies the device as "ATV". I've tried 3 different splitters from Amazon, and they all display a different device ID instead of the original ATV and the Apple TV no longer detects the AVR as Dolby Vision compatible.

There must be a true HDMI splitter that can pass the signal as is to both outputs.

Thanks
 
Which AVR are you using and does it have DSP preset functionality?
 
Which AVR are you using and does it have DSP preset functionality?
Denon X4800H. It has the quick select feature with 4 memories but unfortunately, it doesn't preserve the dialog enhancer state, nor some of the surround parameters settings such as DSU center spread, Cinema EQ, restorer, etc, which are source dependent. This is why I need to feed the device into two separate HDMI inputs.
 
feed its output to two HDMI inputs on my AVR. One would have settings for music listening (Dynamic volume, dialog enhancer off, etc) and the other for movie watching (dialog enhancer, dynamic vol on, etc)
Oh, this is actually a cool idea!
 
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