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HDMI From PC to AMP to TV... Help Please

mikeluke80

Standard Member
Hi,

Cant figure this one out and was hoping for a bit of help.

I have built a PC which has onboard HD Graphics which is outputed with a DVI connector. I use a DVI-HDMI Lead to connect it to my TV. All okay.

I have just bought a HDMI Amp and wanted to get 5.1 out of the PC for film watching etc.

I can enable onboard HDMI in the PC Bios but i have read and heard that DVI does not support Audio? Dont see the point of having the function if it wont support Audio?

Anyone have any ideas.

Thanks
 

Joe Fernand

Distinguished Member
AVForums Sponsor
Hello mikeluke80

DVI can support audio - though its pretty rare to find it supported.

HDMI came along long after DVI was introduced to the AV market - DVI didn't offer the range of features that were deemed necessary for the Consumer market.

If your PC has an Optical Digital Output use that to get 5.1 audio into your AV Amp - sending 5.1 audio over HDMI to a TV is a waste of time as your TV is a stereo device and most likely cant decode 5.1 audio signals on its HDMI Input.

You can combine DVI + optical/coaxial digital audio to a single HDMI output if required using an external converter - though again only of use if the device on the far end of the cable run can support 5.1 audio over HDMI.

If you need to switch the PC via the Amp simply use a DVI to HDMI cable for video + optical for 5.1 audio and send a video only signal via HDMI from the Amp to the TV.

You can usually configure the amp to look for the Optical Input when you select the HDMI socket the PC is connected to.

Joe
 

mikeluke80

Standard Member
Hi Joe,

Thanks for the reply.

I went and bought some bits and have it all working now. I enabled HDMI Audio in the Bios of the MB and installed the Nvidia driver. Hooked the DVI - HDMI lead into my AMP and then HDMI out of the AMP into the TV.

I have 1080i and 5.1 Audio

Thanks very much.
 

madhouse66

Novice Member
Hi Joe,

I have pretty much the same problem as mikeluke 80 did except that I am running windows 7 and I have a HDMI Socket on the motherboard. In the 'Sounds' section of the Control Panel, the HDMI device has acknowledged the existence of the Denon AV amp at the other end, but the icon isn't in bold and it says that it is unplugged. HDMI is enabled in BIOS. Any help would be greatly appreciated
 

Joe Fernand

Distinguished Member
AVForums Sponsor
Assuming you have confirmed that your Card ought to be delivering Audio via HDMI (some don’t!!!) with the required cables in place try powering Off the PC and the AVR - power them both Off simultaneously (not into Standby) - then repower; that will often kick kit that has been 'HotPlugged' into life!

You could also try running Monitor Asset manager by EnTech to get a bit more info on what the AVR is reporting back to the PC
EnTech Taiwan | Utilities | Monitor Asset Manager

If that fails you possibly have to call in the PC/Driver specialist - Graphics Cards and Internal Video Devices | AVForums.com - UK Online

Joe
 

madhouse66

Novice Member
Hi Joe,

Your opening point is interesting. The HDMI socket is actually on the motherboard so I will have a look at the MB specs. Thanks for your advice.
 

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