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Channels
This is commonly written as 2.1, 5.1 and 7.1, where the first digit corresponds to the number of speakers and a sub-woofer is represented by .1. As most speakers can not deliver the level of bass needed when listening to music such as jazz, blues or classical, a sub-woofer is necessary.
DVD quality
DVD players have 480i output in home theatre systems, meaning 480 interlaced video scan lines, the type of signal used for daily TV broadcasts. 480p (progressive-scan), which looks better on a high definition (HD) TV, such as an LCD or Plasma, can also be supported by most current players.
If you have such a TV, however, go for a player that can convert the content of the default definition to an HD resolution, such as 1080p. Alternatively, you can select a Blu-ray disc player that will cost you approximately Rs 15,000.
Video ouput
The DVD player needs to have a video link component that is better than S-video or composite video. This is because component video can also transmit up-converted and HD video signals, while the latter two can transmit up to 480p video. For this, it utilizes three distinct jacks, two for color and one for luminance.
PMPO/RMS
To define the sound quality, both RMS and PMPO are used. But between them, there is little distinction. The more precise way to calculate the audio power is RMS, or rates means second. PMPO is more of an advertising term, or peak music power output, and there is no standard way of calculating it.
Usually, the maximum power that can be generated is believed to be, so the number is always higher than the RMS. The PMPO, however, is typically for a short period of time and the sound may be distorted.
Ports
To allow you to hook up other devices, the DVD player should have a range of ports. While the HDMI port is useful for laptops, a USB port is important for connecting a pen drive or hard disk drive. The USB port can also be used to attach a mobile phone, portable music player or card reader, though some players have a slot for memory cards.
Tower speakers
As main left and right speakers, the tall, standing speakers are also used because they can provide the widest frequency range for both movies and music. It also helps, of course, that they look good on the floor next to the TV. In sync with the images on the projector, the front speakers perform the majority of the special effects that switch back and forth between the two speakers. You can check out latest models of best home theater system in India and most of them are budget and quality speakers and the website is Priceunder which is really quality and well known website.
Pick an Accessory
HDMI Cable: This all-digital audio/video interface can transfer high-quality content (i.e. HD signals) through a single cable over other cables. HDMI cable lengths range from 3 ft to 5 ft, but you can also get much longer ones.