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Best way to connect pc to reciever - Page 3

post #21 of 35
Thread Starter 
Quote:
Originally Posted by FDS View Post
Are you not using your computer as a video source? I'm not sure how you would send only sound without having the monitor enabled. The 6870 has support for up to 3 displays. The reason CCC is disabling your secondary Acer is probably because it's hooked up via dvi and you are at the 3 monitor limit. You need to hook it up with displayport.

From AMD's website:

You can get an adapter for cheap online if your 6870 didn't come with one.
Now would I need an active or passive adapter? Its slightly confusing on what id need. Id have the first monitor on the base DVI socket, the second on a mini-DP to DVI adapter and then the hdmi going to reciever technically being the 3rd 'monitor'.
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post #22 of 35
Quote:
Originally Posted by Shadow of Intent View Post
Now would I need an active or passive adapter? Its slightly confusing on what id need. Id have the first monitor on the base DVI socket, the second on a mini-DP to DVI adapter and then the hdmi going to reciever technically being the 3rd 'monitor'.
http://www.overclock.net/ati/721931-...ers-truth.html

It looks like you will need an active one. That is, unless one of your monitors has a displayport input, then you don't need an adapter at all.
post #23 of 35
Thread Starter 
Right ive got one ordered, should be here on tuesday. Ill post then and report back.
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post #24 of 35
Thread Starter 
Ok I got my adapter today and tested it out.

My conclusion is I prefer the optical.
Firstly you have to set the reciever as a 'monitor' in CCC which ofcourse makes it act like one meaning your mouse will just carry on off the screen to whatever side you've set the 3rd 'monitor' too.

Also it isn't a constant stream as it were. It kicks in only when audio is being sent to it resulting in the first second of the first bit of sound being cut off as it catches up. Annoying.

So ive switched back to the optical and im leaving it at that. For others using recievers, if your not using just a single monitor that you can run through the reciever itself then avoid the HDMI, use optical or digital coax instead.
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post #25 of 35
hmm with my sony reciever I set up my hdtv as the second monitor. Now if I turn the reciever to the hdmi from my pc, it will play the sound through the speakers, and not have the 'ghost display' issue you're having.. Not sure if that's unusual or not, but you could try it.
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post #26 of 35
You also might want to try out some multiple monitor software like ultramon or displayfusion which will give you more flexibility.
Quote:
Originally Posted by Shadow of Intent View Post
Also it isn't a constant stream as it were. It kicks in only when audio is being sent to it resulting in the first second of the first bit of sound being cut off as it catches up. Annoying.
You can enable and disable sound being sent over HDMI with the windows sound control. Right click volume notification icon > playback devices > right click HDMI > enable / disable /set default/configure etc. That way you can control what is outputting sound and when. If you just want to use your reciever for sound disable all the other outputs, so they don't interfere. It should be a constant stream.. there is no reason for it to be cutting in and out unless something is interfering with it or the proper driver isn't installed.

Also, the move towards hdmi in home theater receivers is based on the idea that people will be using a dedicated player for their home theater. That could be either a bluray player, network media player or dedicated HTPC. There is nothing wrong with your setup either, it's just less convenient since your main computer is serving multiple purposes.
post #27 of 35
Optical will pass 2 channel LPCM (decoded by the PC, uncompressed and passed to receiver), or 5.1 DTS/DolbyDigital (lossy) bitstreamed to the receiver.

HDMI will (usually) pass 8 channel PCM (decoded by the PC, uncompressed and passed to receiver) or bistream DTS-MA/TrueHD. HDMI would be the best way to get the audio to the receiver.



*I'm no audio expert, it's just what I've researched and come up with when I was in the same situation
 
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post #28 of 35
You should not have the issues with sound getting cutoff unless hdmi is not your default device.
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post #29 of 35
Good call OP. No need to jumble your pure, digital optical goodness up with anything in the HDMI signal path.

BTW Coax IS RCA... it is obviously coaxial cable but yes it is an electrical signal... I have made a couple and compared between optical and USB... and obviously there was no difference. Digital is digital is digital.

And to those of you who think that your sound being transmitted digitally as light is a problem, I suggest you take a look at EVERYTHING else in the signal path... intereference from your PSU, GPU, CPU, unclean power from your wall socket, etc etc etc.

^Then take the time to consider whether the manner of digital transmission you use is going to produce an audible difference.

EDIT: Just saw Bonz' post. If you can stand the delay on HDMI, it may be worth it to use DTS-MA (if your receiver supports it and you have really nice speakers, that is)
Edited by LingLing1337 - 3/17/11 at 10:21am
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post #30 of 35
OP HDMI out from your GPU to your receiver, then HDMI Out from your receiver to your monitor. Select your Receiver as a monitor and bam you can still do Eyefinity/multi-monitor. Plus you get far superior audio then Optical can provide. Which I have tested via 1411kbps Bit-rate songs from Hip-hop to Orchestra to Rock.

I have the same setup with my Yamaha RXV765 w/ 6 Polk Audio RM87 Speakers and 2 Polk audio PSW111 powered Subwoofers. I game @ 5760x1080 on my 3 IPS LED monitors.

Optical is great for 2.1 but anything above that HDMI is King.
Edited by BeerPowered - 3/18/11 at 4:19am
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