Multimedia Switch

The first big breakthrough was the development of home theater surround sound, which was first introduced in 1982 by Dolby ?.
One of the most important advances in home theater has come in sound technology, which now brings the feel of cinema sound in your living room. There are four technologies to choose from - surround sound, Dolby Prologic ?, Dolby ? Digital and THX ?.
Surround Sound
The first big breakthrough was the development of home theater surround sound, which was first introduced in 1982 by Dolby ?. Dolby Surround works by decoding the surround channel so that it played like it was recorded in the film studio. Dolby Pro Logic ?
The next step in home theater sound technology came in 1987 with the promotion of Dolby Pro Logic surround sound, which is capable of decoding a channel of its own active center speaker. This has led to a better dialogue and for the front left and right to move further away to give a rich sound distribution.
In a nutshell, this technology will be dismantled and transformed into two-channel stereo sound from a VCR, DVD or TV with four channels of sound (going to the surround speakers) - you provide the current quality system, it needs a real experience home theater.
Dolby Digital ?
The newest surround sound technology with Dolby is Dolby Digital ?, which offers six discrete channels of full range of audio: front center, left, front right, rear left, rear right, and the bass or subwoofer. Dolby Digital technology also allows a more decoding options, so that the program material recorded in Dolby Digital can be played in mono, stereo, Dolby Surround or Dolby Pro Logic or 6 channel capacity size.
While Dolby Digital provides better channel separation and the addition of two individual channels for surround speakers than its predecessor, the Dolby Pro Logic, you still need a Dolby Pro Logic because of the amount of substance use its always the traditional two-channel stereo (Dolby Prologic and only one can break these into four channels for surround sound richer). Fortunately, you do not need two separate decoders, because Dolby Digital is a Pro Logic decoder built right in. If you are considering buying a digital versatile disc (DVD) or high definition television (HDTV) you want to go Dolby Digital - it's as close as you get the sound and feel of the film without leaving your couch.
THX ?
While the THX sound like it's a brand, is actually a technology license for home theater equipment, which is used to ensure the highest standards of the best reproduction of the theater-type sound. Dolby and THX often work together to create a home theater experience of high quality. In short, THX has become the standard five-star acoustics and speaker placement and that the team is able to reproduce the best sound.
Thanks for the patent THX sound that was originally created on the screen is smaller and closer to the environment - a home theater. Make sure your home is THX certified equipment will not be able to get the real thing.
Although it comes with a high price, the benefits of a THX sound system compared to standard surround systems are clearer dialog, bass easier (ideal for action movies with lots of explosions), enveloping the surround sound and wide frequency range and intervals.
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