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I have a very complicated question about my sound bar hook up

post #1 of 8
Thread Starter 
I have my LG NB3530A sound bar hooked up to my TV via toslink because like an idiot, I didn't buy a sound bar that had HDMI. I have another one that uses HDMI so I might switch them later if this gets to be a problem.

I have a PS3, Xbox 360, and PC. I have my PS3 and Xbox 360 plugged into a Kinivo HDMI selector and then into the TV, I have my PC plugged into the TV via HDMI through a Radeon 7870.

I use my PS3 for blu ray playback. I noticed that my Logitech Z623 has better sound quality than my sound bar. If this is an issue with the sound bar itself then I can live with it. But, I am thinking it might not be the sound bar, it might be how everything is hooked up.

So in all, everything is hooked up to my tv via HDMI, and then my sound bar is hooked up to my TV via optical. Is this ideal? Should I hook up my sound bar directly to the PS3 when watching blu rays?

Also, will my 7870 be able to output sound to my sound bar with all of these hook ups like they are? AMD says that the 7870 is capable of sound output.

My sound bar has 2 optical and 1 3.5mm inputs.

What should I do here? This is my first home theater and hopefully my only one for the next 5 years until those flexible TVs come out that literally slap you in the face when watching a movie where the girl slaps the guy in the face. Maybe not that extreme...
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Zen
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post #2 of 8
Thread Starter 
I am by no means an audiophile because I cannot afford to be an audiophile. I do believe that I have very sharp hearing and I can hear very low and very high pitched sounds. But for the price, I am willing to forgo the perfect best of the best audio for the price of this sound bar.
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Zen
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post #3 of 8
the thing is - If you are getting any sound out the sound bar, then it is the bar itsself that is the issue. Both HDMI and toslink are digital, and the D/A conversion will go on inside the sound bar, so chances are it's the sound bar itsself that isn't producing the same quality sound. The only way this would change is if the TV is doing any audio processing, which is easily tested in the sound menu on the TV. You can mess about with the bass, treble, or graphic equaliser in the TV menus and see if it affects the sound. (I don't know what type of sound menu your TV will have, but most modern TV's have some form of sound adjustment)
Edited by latelesley - 8/28/13 at 12:15pm
post #4 of 8
^^^^ This.

There is no difference between TOSLINK digital and HDMI digital for 5.1 AC3 applications. Digital is digital. The sound bar you specified isn't a Hi-Fi sound device, it's merely a replacement for internal TV speakers to give you better sound stage and a little more volume.

The Logitech Z263 is a THX certified 2.1 channel speaker set - 35W x 2 for satellites and 130W for subwoofer, and it's an honest output rating. I'm not surprised it sounds better than the LG sound bar.

You've got it hooked up the right way -- HDMI to the TV, and then Optical to the Sound Bar. The TV is simply passing through the digital signal, unmodified, to the sound bar.


Greg
Edited by hammong - 8/28/13 at 12:21pm
post #5 of 8
Thread Starter 
thanks guys for your help.

Do you know anything about GPUs? As for the GPU aspect of my question, do you think it will work?
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post #6 of 8
Quote:
Originally Posted by Thready View Post

thanks guys for your help.

Do you know anything about GPUs? As for the GPU aspect of my question, do you think it will work?

Any GPU with a HDMI port has no problem putting sound through it.

Hooking everything up to your TV is the best way to do it. It doesn't make sense to swap the optical cable straight into the PS3, and there isn't any benefit.
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post #7 of 8
the graphics card audio should work, as long as you have it connected, and change the audio out to the HDMI. My card (an old NVidia 8800GS) needs an SPDIF cable connected, I'm using DVI -HDMI to my TV, I have to change the sound to SPDIF in my audio control panel, and also in the NVIdia driver software, I have to select the TV and enable the audio there (so the card outputs the audio stream to the TV) .

I don't know about the AMD drivers, BUt i'd assume there is an audio setting somewhere in the control panel. Just something to watch out for. I'm sure someone with the same card will be able to tell you if you have to hook up an SPDIF cable to the card, or if audio is built in.
post #8 of 8
Quote:
Originally Posted by latelesley View Post

the graphics card audio should work, as long as you have it connected, and change the audio out to the HDMI. My card (an old NVidia 8800GS) needs an SPDIF cable connected, I'm using DVI -HDMI to my TV, I have to change the sound to SPDIF in my audio control panel, and also in the NVIdia driver software, I have to select the TV and enable the audio there (so the card outputs the audio stream to the TV) .

I don't know about the AMD drivers, BUt i'd assume there is an audio setting somewhere in the control panel. Just something to watch out for. I'm sure someone with the same card will be able to tell you if you have to hook up an SPDIF cable to the card, or if audio is built in.

They didn't quite have things figured out on the 8800 series. Any newer card has a sound processor on it and will just output the sound over HDMI without even needing a sound card in the system at all. You don't have to change any settings in the ATi or nvidia control panel.

You may have to switch "default sound device" in windows sound settings from your sound card to HDMI, but that usually happens automatically.

Unless you are still on windows XP for some reason.
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