The market for home entertainment is created when the VCR was invented, which brought entertainment to people's living rooms and bedrooms. VHS evolved into VCD and DVD have become the latest in home entertainment. Cinema Theater, meanwhile, still had their grip on the public because of some unique features such as a large screen, digital sound effects, loud noises amplified and the whole theatrical experience. There is a constant attempt to bridge this gap between thetheatrical and cinematic experience that home entertainment system. There is a huge technological advance in this area, and existing home theater systems has brought the theater quality entertainment into people's house with the invention of high definition technology.
High-Definition Technology
HD or high definition technology consists of high-definition TV, HD-DVD and HD-DVD, which, in combination with accessories such as amplifiers and speakers in high qualityhome theater systems to deliver an exceptional quality. HD is a relatively new technology, but is now very popular among consumers. HD equipment may seem expensive for the average consumer in the first game, but over time, it is equally true of all other forms of technology, prices will drop to the widespread use and more advanced technologies emerge.
High definition television has been around the market for a long time. HD-DVD players wererolled in Japan in March 2006 by the Japanese electronics giant Toshiba Corporation is followed by their consecration in the United States a few days later, and are intended to exert pressure on the British market by the end of April. There is an enthusiast of this technology, and people expect to see a revolution in terms of quality home cinema.
HD-DVD and DVD
HD DVD or HD DVD was launched in 2005 and was an adaptation of the existing structure of the basicDVD. HD DVD has a storage capacity greater and better sound and video quality than a DVD. HD-DVD will be integrated with a state-of-the-art security technology, which is unique to this medium. The storage capacity is 15 GB for a single layer, 30GB on a dual layer and 45GB for a three-layer HD DVD. It uses very sophisticated compression techniques of MPEG-4 for increased capacity. The core of the DVD has a blue laser that has a shorterwavelength (405nm), allowing discs to store data at higher densities needed for high-definition movies and television. Toshiba has brought to market two models of HD DVD players, HD-XA1 and HD-A1, the United States at a price of $ 799 and $ 499 respectively. The new machines are expected to revitalize the home video market and change the way we perceive the house.
HD TV
Wide-screen plasma TV and LCD TV is already on the marketlong time and is very popular for high levels of quality achieved. This is the TV that has a long, flat screen that minimizes the visual distortion dramatically. A wide range of screen sizes Available in screen sizes from 20 "to 65". They have a very high resolution of 1024×768 pixels, 1280×768 pixels, 1366×768 pixels and 1024×1024 pixels. HD televisions are equipped with a high degree of brightness and contrast ratio. The brightness can vary450cd/m2 1200 cd/m2, while the 400:1 contrast ratio is as high as 10,000:1 e. All these features provide a higher image resolution and therefore a very clear and well defined visual quality.
The sound quality is so important for audio-visual media, such as the quality of images. There are many options available on the market that can continue to meet the listening experience of high quality. There are three primary systems used in surround sound system, Virtual Surround, DolbyDigital and DTS. For televisions, it is HD compatible, has opened for them HD compatible with minor modifications.
Big brands sell HD TV market, Sharp, Panasonic, Samsung, Sony, Pioneer, Philips, Toshiba and others. HD TV is available in a wide range of prices from $ 2000 to $ 5000 depending on the technology, brand, and options that are available.
Amplifier or Home Theater Receivers
Home theater amplifiers or receivers aremiddle of a home entertainment system that offers high-quality, digital-analog conversion. They decode and process any type of program material or surround mode. They are capable of transmitting HD signals by converting all S-video and composite video inputs to component video. Some receivers also as a digital video recorder that allows viewers to watch programs in HD, and the quality of the photographic record. The price range of digital amplifiers can range from $ 300 to$ 750.
Dolby and DTS (Digital Theater System) are currently very popular both in home theater and movies. The first format, Dolby Digital (AC-1) was used in 1984, followed by AC-2 improvement that has been used for the film. The latest Dolby Digital (AC3), in cinemas in 1992. With advances in digital technology, Dolby is then introduced in the home theater systems.
Currently there is no Dolby 5.1, 6.1 and newerDolby 7.1. These names are based on the number of tracks provided. It also comes with a wide range of speaker systems, subwoofers home theater, speaker kits, ceiling, brick wall, bookshelf speakers, center speakers and speakers from the floor. They are available in a wide price range of $ 350 to $ 1500
The overall effect of a home theater system is strongly influenced by the type and placement of speakers and the sound quality ofroom is in use. The right equipment combined with the right type to make room for the ultimate home-entertainment theater.
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