Audio Not Available

Have you enabled the external speaker option on your TV and the set isn't on Mute? Check that you have the surround system's receiver set to the correct input. Next, check the audio level. On some sources for the TV, I need the volume at 65. Other sources sound fine with the receiver at 45. Check that the audio matches that being sent by the TV. On my TV, I needed to go to the Menu > Audio Settings to find the option for turning on the external speakers. Then I had to set the speaker system to Multi-Channel for our specific setup. (There were several options, including Dolby. For my specific setup, these other options didn't give the correct sound.) Finally try a different audio cable between the TV and the receiver.

I hope this helps. Please add a comment with the make and model number of your TV for additional advice. Adding the type of connection (digital audio (optical/coaxial), HDMI, RCA) will help me suggest potential problem areas.

Cindy Wells

Do you have your receiver setup for 5.1 and not stereo surround? It sounds like it does not have 5.1 enabled. Look in the manual to see how to configure for 5.1 surround. You should have separate audio configuration setting for each speaker.

A Samsung home theatre system can make watching movies at home like going to the theater. Proper setup is essential to get the full benefit of the Samsung system, which is available in 5.1 and 7.1 channel surround sound configurations.
Typically the final step in setting up any home theater is connecting your TV to your system.
Like most home theatre systems, your Samsung home theater receiver will allow you to plug all of your components into it, meaning you only have to run a few cables to connect your television to your system.
Make sure your playback devices are properly connected to your receiver.
Whatever playback devices you use, make sure they are plugged into the appropriate inputs on your receiver.
DVD and Blu-ray players, satellite boxes and cable boxes should all be plugged into video inputs, and CD players should be plugged into audio inputs.
Your receiver will have labels on the back panel indicating into which input you should plug your devices.

Connect the video out to your TV's video input. Make sure you use the correct cable to make the connection. For newer receivers, the connection will likely be either HDMI or component.
If your receiver has an HDMI output, use an HDMI cable to connect the receiver to the HDMI input on your TV.
If your receiver uses a component output, use a component cable to connect your receiver to the component input on your TV.


Connect the audio output of your TV to one of the audio inputs on your Samsung receiver if you want to output your television's audio through your home theatre system.
Most recent TVs will either use an optical cable or a digital coaxial cable to connect to the receiver, allowing you 5.1 channel surround from your television.
If you have an older set, you will likely have to use standard RCA cables.


Turn on your receiver and press the "Setup/Menu" button on your receiver's remote.
When "Input" appears on the display, press the right arrow key on your remote to select TV from the list.


After selecting TV, press the up or down arrow keys on your remote to select the audio input jack into which you have plugged your TV's audio cable.
Press the "Exit" button on your remote to exit the setup menu and lock in the settings.


Samsung home theatre system owners guide download
http://downloadcenter.samsung.com/content/UM/200903/20090327091825515/HT-AS730S-XAA.pdfalso
If you're not an electronics junkie, hooking up your surround sound can seem daunting.
There are so many wires and settings that it's understandable why some people might rather pay someone else to do it for them.
But you can do it yourself as long as you make sure the speakers are positioned correctly; the wires are not only plugged in all the way, but plugged into the right places; and the settings on your television and amplifier are set up correctly.

Check to make sure your surround-sound speakers are correctly installed.
Locate the test function on your surround-sound remote control or amplifier panel to do this.
You will know your speakers are hooked up if sound comes out of each speaker during the test.
Make sure your audio cables are hooked up properly.
Make sure the audio cables running from your television to your amplifier are plugged in correctly. The red and white wires should be plugged into the "Audio Out" spot on the back of your television.
Those same red and white audio wires should be plugged into one of the "Audio Input" spaces on the back of your amplifier.

Turn on your television.
Locate the "Menu" button on either your television remote or your television set.
Scroll through your options until you find "Audio Mode" or a similar naming convention.
Select it.
Scroll through your options until you find "Digital Audio Out," or a similar naming convention. Choose it.
Scroll through your options until you find "Dolby Digital Out." Select that option.
Power your surround-sound system on.
Make sure you have the correct audio input selected.
After the correct audio input is selected, make sure you actually have the Dolby Digital aspect of your surround sound system turned on.
The default for most surround-sound systems is the standard two-channel, stereo output.
Set up a home theater
http://www.cnet.com/1991-7386_1-6214422-7.html

Check in your speaker setup menu. Sometimes you can select between using the surround back speaker jacks as "B" front speakers as well. You would have to tell the unit which one you want to use it as.

HDTV inherently provides a superior sound quality simply because the sound of HDTV is digitally transmitted. The difference in sound between an HDTV television and an analog television is rather noticeable. In fact, it is directly analogous to the difference between the music on CD's compared to the music on audiocassette tapes.

The difference in sound quality provided by HDTV televisions and programming does not end there. Many HDTV programs are also broadcast in Dolby Digital 5.1 surround sound, but in order to take full advantage of this technology, it is necessary to have the right equipment.

Dolby technology has been created by Dolby Laboratories, Inc. This technology is the most renowned provider of digital audio technology. Also, Dolby Laboratories is known for reliable and superior products. For these reasons, Dolby Digital Surround has become the standard for HDTV. Many television manufacturers substitute their own surround sound systems, but they cannot live up to the reputation and performance of Dolby. Therefore, it important to check the specs on an HDTV television before buying in order to ensure that it uses Dolby Digital Surround.

When using Dolby Digital Surround Sound, there are three options for set up. The first option is to buy a television with high quality center channel speakers, woofers, tweeters, and Dolby technology installed in the television. With this option, it is unnecessary to buy addition equipment to take advantage of Dolby Digital Surround Sound.

Another option for taking advantage of the Dolby Digital Surround Sound with an HDTV is to connect an external set of surround speakers to the television. With this option, the surround sound set up includes a front pair of speakers, a surround pair of speakers, a center channel, and a subwoofer. Sometimes, the front speakers are "powered towers." This means these towers include subwoofers.

The placement of these speakers is very important for the quality of the surround sound. The Center Channel Speaker should be centered either above or below the television. The Front Left and Right Speakers should be placed in an arc formation in line with the Center Channel Speaker. The Surround Left and Right Speakers, on the other hand, should be placed to the left and right sides behind the listening position. Many people choose to wall mount these speakers.

The third option for taking advantage of the Dolby Digital Surround System included in an HDTV television is to use an external set of front speakers can be connected to the HDTV television. This configuration is useful if there is not enough room to set up the external surround sound system and the HDTV does not come with Dolby Digital Surround installed. This isn't true surround sound, but it is a viable alternative to those who can't take advantage of the first two formats.

The audio and video outputs of the DVD or VCR can be connected to the AV receiver's video outputs. If a separate DVD and VCR need to be connected, one can be connected to the VCR1 connection and the other can be connected to the VCR2 connection. The AV receiver's VCR video and audio outputs should then be connected to the audio and video inputs of the DVD and/or VCR. In this way, the DVD and/or VCR will be able to record video signals that come through the AV receiver and the VHS tapes and/or DVD's will be able to be viewed on the HDTV.

To take full advantage of the Dolby Digital Surround Sound technology, one of the video outputs of the DVD player and/or VCR needs to be connected to the AV receiver. The digital coaxial audio or digital optical connection must also be connected to the AV receiver.

How do I connect my CD player?

A CD player can be connected to an AV receiver. The CD player's digital audio outputs can be used to connect the CD player to the AV receiver. A CD-Recorder can also be connected the AV receiver by using the Audio Tape Record/Playback input/output loop connections. In this way, the CD-Recorder will be able to function much like a standard audiocassette deck.

What else will I need?

Besides the basic electronic equipment needed to set up Dolby Digital Surround Sound, it is necessary to have connection cables. This includes video, audio, and loudspeaker connection cables. These cables need to be at an appropriate length in order to set the speakers in the proper position for optimal surround sound quality.

Hi,here is the basic info for your question..
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Hope this helps!

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Surround Sound System Settings ---- Correct Time Delay Setting in Multi-channel Audio

A correctly set surround sound system can yield dramatic improvements to your
home theater sound or multi-channel music listening experience. In particular,
a correctly set time delay setting between the different channels is essential
for a realistic and unified surround soundfield.
Luckily, most of today's surround processors make setting the time delays
between the rear and the fronts a matter of a few entries in the setup menu.
Yet having a proper understanding of the principles behind correct time delay
settings is essential for the best results.
In this guide, we explain the principles behind time delay settings in surround
sound and show you how to adjust your surround processor or AV receiver for the
best surround sound field.

Time Delay Setting in Multi-channel Surround Sound Systems

Correct home theater speaker placement and properly balanced sound levels
between the different channels in multi-channel audio, while crucial, are not
enough to sustain a unified soundfield in a surround sound setup. A correctly
set surround sound system requires that sound from all the different speakers
reach the listener at exactly the same instant.
This explains why all fronts, left, right and center channel speakers, should
be set at exactly the same distance from the listening position. At the same
time, in a typical home theater setup, the surround speakers are closer to the
viewer than the fronts.

To compensate for this distance discrepancy, surround sound playback systems
apply a split-second delay to the surround sound channels.
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If your receiver has another digital audio input available to connect to, such as a coaxial or optical input, you can use either of those for the PS3. Another option is to use one of the composite audio inputs, but however, your surround mode for that type of input will not be Dolby Digital, DTS or any of the high definition surround sound formats. You will instead be able to get one of the Dolby ProLogic formats, or one of the various surround modes that are proprietary to the receiver model by it's digital signal processor...depending on which you choose.

I understand that you have tried connecting different audio source to the Receiver as some of the audio source will output only 2 channel audio. I hope you have tried changing the Input mode and Input selector to get the surround sound.
Please disconnect the speakers with the receiver and clean the edges of receiver and speaker cables using solution like alcohol and try.
If the issue persists, please interchange the rear speakers with front speakers and vice versa and check if audio is coming to make sure that the speakers are working fine.
If the audio comes after replacing the speakers but not from surround speakers, the receiver requires service.

Are you using single digital coaxial or optical digital or the stereo RCA cable.
You might have that buttons on the remote for surround,2channel,3channel or 5.1 channel. orGo to the DVD's setup menu and click on "Audio Setup" or on "Languages" if there is no Audio Setup option and choose "Dolby Digital 5.1." (If you have a5.1, 6.1 or 7.1 system select "Dolby Digital EX" if it is an available option.) Depending on the age of the disc, the "Audio Setup" on the DVD menu may give you several choices: "5.1 Channel Surround Sound" or "Stereo Playback." If it's an old DVD, it might even say Dolby AC-3 (the professional designation for Dolby Digital 5.1). New DVDs may offer "Dolby Digital 5.1" and "Dolby Digital 2.0," the latter being stereo. Some of the disc menus offer only "Surround Sound" or "Stereo" options.

Greetings,

I would like to refer you to leethedeuce, he knows more about audio system setups.

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