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Get the best out of your home theatre. High Definition TV brings you Dolby Digital (TM) 5.1 surround sound. 5.1 means five speakers and one subwoofer to envelope you in sound.
Two front speakers and two rear speakers put you in the centre of the action. A fifth, centre-channel speaker is positioned above or below your TV. The subwoofer can be placed anywhere in the room, and delivers the low-frequency bass effects to complete the big cinema sound experience.
A surround sound system is usually completed with a "receiver" box that controls the sound for all the speakers.
To maximise your HD Television set-up choose the right audio cables to connect surround sound to your HD TV. Connections do matter.
Some cabling of the options for setting up your HD TV Surround Sound are;
- HDMI cable - The simplest and best way to connect your HD TV to surround sound, HDMI cables carry crisp, clear audio and video signals in a single cable.
- Optical cable - Transferred in a fibre optic cable, this audio signal is sent with light pulses and supports stereo to multi-channel audio transmission. Compatible with AC-3, Dolby Digital and Stereo.
- Digital Coax cable - Transferred in a single shielded cable, this audio signal is sent with electrical signals, and supports stereo to multi-channel audio transmission. Compatible with AC-3, Dolby Digital and Stereo.
- RCA cable - An analogue signal output used to transmit mono or stereo audio channels
Get even more from your High Definition TV [http://hd.foxtel.com.au/what-is-hd/hd-surround-sound.php] with an audio set-up that puts you right in the middle of the action.
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Nowadays, it's common for a family especially those home theater enthusiasts to have several HDMI sources, like blu-ray DVD player, PS3 video game player, set-up box and more. With so many HD sources, most families would buy 2 or more HD Displays for convenient sharing. The HDMI splitters will duplicate your HD source and display the same HD source on the HD displays. In this case, HDMI matrix would be a perfect solution for systems with dual or multiple sources and displays such as high-end home theaters.
The "HDMI matrix switch" distributes multiple HD sources to different outputs simultaneously. The working system looks like matrix: the "HDMI matrix switcher" allows any input to be routed to any output; or the same input to be routed to all outputs or any combination. It completely eliminates the need to constantly move around video input and output cables, and is great for creating an awesome and inspiring multi-media experience or simply allowing multiple members of the family the freedom to watch from whatever source they choose on their own screen. And there are two options available for you: "4X2 HDMI matrix" and "4X4 HDMI matrix".
Since HDMI matrix works as a combination of HDMI switch and HDMI splitter, to get a HDMI matrix is really a pretty good deal - economical and powerful.
Now the newly-released "3D version 4X2 HDMI matrix" can support 3D programs like 3D DVD movies and 3D video games. Then the "3D 4x2 HDMI matrix" is a fantastic choice you'd not miss.
A pretty common problem that comes with the advent of HDMI (High Definition Multimedia Interface) becoming the new industry standard for transmitting TV signals is how to select the correct length HDMI lead. In the old days when everything was carried by RG6 Coaxial cable, it was possible to run the signal over pretty long runs and then simply cut the cable to length and fit a coax connector and simply connect it to the TV. Although RG6 cable is still used to connect the satellite dish to say for example a Freesat+ receiver, the output from the box to the TV will now invariably be a HDMI cable.
Another complicating factor is the popularity of hanging Flat screen TVs on a bare walls or over a fireplace. Obviously nobody wants HDMI cables tacked along the wall, so invariably the cables are being buried in the wall and normally run from the TV to a nearby built in unit which will house the satellite receiver. What makes selecting the correct length of lead is that it is not possible to simply extend or shorten the lead. In general there is a good selection of HDMI cables ranging from 1m all the way up to 20m, with the upper limit being due to the level of signal loss that occurs in cables that are no longer than 20m.
No matter how well you plan it there is always a possibility the the cable will too short. For example the HDMI input on your new HD TV is in a different location than you expected, or you decide to mount the TV in a slightly different location. There are 2 options when it comes to extending a HDMI cable.
The first and simplest option is to simply use a HDMI coupler which comes with sockets on both ends into which to insert HDMI cables. This option is both inexpensive, compact and does not need a power supply. It is however only suitable to use when the combined length of the 2 cables is less than 20m.
The other option is to use a HDMI repeater, which is a powered unit that both joins 2 HDMI cables together and also boosts the signal. Normally this unit is used when combining HDMI leads where the combined length is over 20m. The need to have the unit plugged in and its cost are certainly issues, but this is an essential unit on very long runs.
A final note on HDMI cables is that in general over short runs, the difference in the signal loss between a low cost and an expensive HDMI is pretty minimal. Where spending the extra money is worth while is on long runs of cable. Most of the cost lost HDMI supplier don't do budget level cables that are longer than 5 or 10m.
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