Home cinema bluray 7.1 connection to pc

elgydium · Nov 14, 2014

Hey guys can someone please tell me how can I connect a Samsung HT-E6750W 7.1 to my motherboard given the fact the Samsung has:
x1 optical intput
x1 AUX IN White L
x1 AUX IN Red R

While the mobo has 3 ins, Blue, Pink, Green.

I really want to use this rig to its fullest, what cables should I buy for the 7.1 output? Do I need a sound card as well?

Thanks in advance!

Paul NZ · Nov 14, 2014

3.5 mm to rca. But you'll probably have to get a separate soundcard

Pinhedd · Nov 14, 2014

elgydium :

What are you trying to do exactly? Are you trying to watch BluRay disks on your PC or are you trying to utilize the 7.1 audio on your BluRay player as the output from your PC?

nikoli707 · Nov 15, 2014

it must have an hdmi input.

elgydium · Nov 15, 2014

Pinhedd :

I don't care about the BluRay. I just want to use the speakers as the output from my pc.

I tried last night to play some music from my iPod 2nd generation thru the USB frontal port of the BluRay player since that's all I had and frankly was terrified of the poor quality of sound. Not to mention on 3D surround on high, the sound coming from my rear R speaker is distortioned.

I'm thinking of actually buying some klipsch or harman kardon and an amplifier. Which will probably cost over £1k.

nikoli707 :

Nah, but bought one either way so I can configure the bluray & speakers on my monitor.

Pinhedd · Nov 15, 2014

elgydium :

Pinhedd :

I don't care about the BluRay. I just want to use the speakers as the output from my pc.

I tried last night to play some music from my iPod 2nd generation thru the USB frontal port of the BluRay player since that's all I had and frankly was terrified of the poor quality of sound. Not to mention on 3D surround on high, the sound coming from my rear R speaker is distortioned.

I'm thinking of actually buying some klipsch or harman kardon and an amplifier. Which will probably cost over £1k.

nikoli707 :

Nah, but bought one either way so I can configure the bluray & speakers on my monitor.

What you can do is run an HDMI cable from your graphics card or motherboard to the receiver and send audio over that.

elgydium · Nov 15, 2014

nikoli707 :

Here's a though, I'm thinkning of buying the Asus XONAR DGX SI 7.1 and connecting a optical cable to it. What do you think? Do you know any good optic cables?

nikoli707 · Nov 15, 2014

optical and hdmi both output digital. the only difference is that hdmi can handle higher end codecs like dolby hd or dts hd found on bluray. this isn't a big deal unless you have extreme quality speakers or your a audiophile nerd who can hear the difference. just use optical if you dont have hdmi.

elgydium · Nov 15, 2014

nikoli707 :

The thing is I don't have any HDMI slots. At least not the PC. The monitors do, and I'm not to confortable using a 6m thick HDMI cable sticking out of the DELL monitor.

But bottom line is optical and HDMI can both output true 7.1 right?

nikoli707 · Nov 15, 2014

elgydium :

nikoli707 :

The thing is I don't have any HDMI slots. At least not the PC. The monitors do, and I'm not to confortable using a 6m thick HDMI cable sticking out of the DELL monitor.

But bottom line is optical and HDMI can both output true 7.1 right?

yes it can handle 7.1.

Pinhedd · Nov 15, 2014

elgydium :

A discrete sound card is of little to no value to you if you have an external receiver.

Optical connections use the S/PDIF protocol which supports only the following formats

Mono at 44.1/48 Khz and 16 bps

Stereo 44.1/48 Khz and 16 bps

Dolby Digital and DTS

Optical connections do not support more than two channels of PCM audio (the most common format for PCs), and they do not support higher-bandwidth codecs such as Dolby Digital TrueHD or DTS-HD Master Audio. To use these, you must use HDMI or DisplayPort.

Optical cannot handle true 5.1 or true 7.1. The only way that these can be transmitted using optical is to compress and encode them in real time into a Dolby Digital or DTS bitstream. This requires the use of a sound card that supports Dolby Digital Live or DTS Connect. Both offer significantly inferior audio quality compared to uncompressed multichannel audio.

elgydium · Nov 15, 2014

Pinhedd :

elgydium :

A discrete sound card is of little to no value to you if you have an external receiver.

Optical connections use the S/PDIF protocol which supports only the following formats

Mono at 44.1/48 Khz and 16 bps

Stereo 44.1/48 Khz and 16 bps

Dolby Digital and DTS

Optical connections do not support more than two channels of PCM audio (the most common format for PCs), and they do not support higher-bandwidth codecs such as Dolby Digital TrueHD or DTS-HD Master Audio. To use these, you must use HDMI or DisplayPort.

Optical cannot handle true 5.1 or true 7.1. The only way that these can be transmitted using optical is to compress and encode them in real time into a Dolby Digital or DTS bitstream. This requires the use of a sound card that supports Dolby Digital Live or DTS Connect. Both offer significantly inferior audio quality compared to uncompressed multichannel audio.

Ok so the way I'm seeing it, since my gtx 690 has only one empty slot left, Mini DiplayPort, I can either find a cable that has a DP on one side and a HDMI on the other (the BluRay), or a DP with a Optical on the other. Which one would you suggest?

Pinhedd · Nov 15, 2014

elgydium :

Pinhedd :

Ok so the way I'm seeing it, since my gtx 690 has only one DiplayPort left, I can either find a cable that has a DP on one side and a HDMI on the other (the BluRay), or a DP with a Optical on the other. Which one would you suggest?

DisplayPort controllers are dual-mode. They can operate as either DisplayPort or HDMI/DVI. Acquire a passive DisplayPort to HDMI cable and use that.

You will not be able to obtain 7.1 multichannel audio with an optical cable, you must use DisplayPort or HDMI.

elgydium · Nov 15, 2014

Pinhedd :

Here's the problem though, I'm looking to sell my gtx 690 soon and buy a gtx 980, and it has the following ports, for connectivity on the display front, 3x DisplayPort 1.2, 1x HDMI 2.0 port and 1x DVI port. What do I do?

nikoli707 · Nov 15, 2014

Pinhedd :

elgydium :

A discrete sound card is of little to no value to you if you have an external receiver.

Optical connections use the S/PDIF protocol which supports only the following formats

Mono at 44.1/48 Khz and 16 bps

Stereo 44.1/48 Khz and 16 bps

Dolby Digital and DTS

Optical connections do not support more than two channels of PCM audio (the most common format for PCs), and they do not support higher-bandwidth codecs such as Dolby Digital TrueHD or DTS-HD Master Audio. To use these, you must use HDMI or DisplayPort.

Optical cannot handle true 5.1 or true 7.1. The only way that these can be transmitted using optical is to compress and encode them in real time into a Dolby Digital or DTS bitstream. This requires the use of a sound card that supports Dolby Digital Live or DTS Connect. Both offer significantly inferior audio quality compared to uncompressed multichannel audio.

this is true, it needs to be setup bitstream.

though, i would question whether the average person could tell the difference between uncompressed hd audio and compressed bitstream on a 5.1 speaker system that costs less than $500.

Pinhedd · Nov 15, 2014

nikoli707 :

Pinhedd :

this is true, it needs to be setup bitstream.

though, i would question whether the average person could tell the difference between uncompressed hd audio and compressed bitstream on a 5.1 speaker system that costs less than $500.

Probably not, but I have some experience with it. I purchased a headset (Sharkoon X-Tactic Digital) which I used in conjunction with my Creative Labs X-Fi Titanium Fatal1ty Pro sound card. I initially configured it with Dolby Digital Live and wasn't terribly impressed with the sound quality. I then reconfigured it with good old fashioned 3.5mm analogue jacks and used it like that ever since.

elgydium · Nov 15, 2014

I'm awfully sorry to interrupt but the problem is, I'm looking to sell my gtx 690 soon and buy a gtx 980, and it has the following ports, for connectivity on the display front, 3x DisplayPort 1.2, 1x HDMI 2.0 port and 1x DVI port. What do I do?

nikoli707 · Nov 15, 2014

elgydium · Nov 15, 2014

nikoli707 :

Sorry I was so caught up in this whole mess that I totally skipped the HDMI to HDMI solution for the near future. Here's one more thing and promise to be the last, does quality of HDMI really show? I mean I baught a HAMA HDMI today and boy was it awful, I could hear these screeching sounds coming out of the receiver. What should I go for? Mind you I need at least 6m so I can mask it along the curtains. I'm a bit of a neat freak.

Pinhedd · Nov 15, 2014

elgydium :

HDMI to your receiver, DisplayPort (or DisplayPort to HDMI) to your displays.

HDMI is awesome because it can carry audio, video, ethernet, and remote control codes. It's definitely one of the better technologies to have arisen in the past couple of years.

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