Digital broadcasting today consists of complex systems that combine a list of devices, each of which has specific tasks. A digital television receiver belongs to the category of such devices. It is designed to receive and convert signals that are subsequently transmitted to a broadcast device. It can be a computer monitor or a TV.
Description
The device in accordance with the established parameters converts the received signals and transfers them to the screen of a digital device, thanks to this the user hears high-quality sound and sees a full-fledged image without any distortion. Proper connection of the receiver directly affects the quality of work, while the device can be connected to terrestrial, digital TV, computer network, antenna or cable television.
Features
Ease of connection reduces the likelihood of interruptions during operation. It is necessary to use as few connecting elements as possible in order to enable convenient adjustment. When buying wiring, you should not choose cheap low-quality options for connecting the terminal and converting devices, while it should not be too long. Short connections reduce distortion. When connected to the system unit, it is desirable that it can be easily removed from the rack to verify the connection.
Digital terrestrial receivers equipped with RF modulators are connected by suitable television cables to the antenna input. In this case, the transmission of signals is carried out in accordance with the frequency of one of the broadcasting channels. A similar technique can be used for the main part of old-style televisions equipped with only one antenna input.
Functions
The quality of the resulting image and the pleasure of viewing depend on the competent choice of the device. For starters, you should go to the store and compare the main characteristics of various models from several manufacturers. You also need to decide on a possible budget and pay special attention to technical parameters.
Power is selected in accordance with the existing conditions. A receiver for digital television with a power of 60 watts per channel is suitable for apartments, and in private estates it is advisable to use equipment with more power. The destination should also be selected in advance, there are various options, for example, with decoders 7.1, 6.1 and 5.1, but the first of them today has not gained sufficient distribution.
In the selection process, you need to build on existing needs, this will avoid a situation where the device does not have the necessary functionality. In the absence of the need to listen to films with phonograms, you should pay attention to the 5.1 device, it has a much lower cost compared to other options.
The receiver for receiving digital television of medium price category and high quality sound should have the following decoders: DTS, Dolby Digital and Dolby Pro Logic. The first plays an important role, thanks to it disks of this format are decrypted. The manufacturer of the selected equipment should be verified and have positive recommendations in this area. It is worth noting that some well-known multidisciplinary manufacturers may not produce the best tuners, while unpopular brands can find high-quality devices.
How to choose
Receivers for digital terrestrial television are divided into three varieties, all of them are suitable for different categories of users. Each species has its own flagships. First of all, you need to determine the purpose of the tuner, and from certain options to choose the most suitable. You can limit yourself to a budget receiver when watching channels in a standard format and without a monthly fee. More functional equipment is needed when watching channels with high definition, using the HDMI interface and connecting to the Internet.
Economical options
Budget devices have become widespread not only due to their low cost, but also due to their simple operation, which is especially important for older people. The main purpose is to view programs, while there are no extra functions. You can view encoded channels using the appropriate software. Among the shortcomings, it is worth noting the need for systematic tuning, since the broadcast frequency of certain channels changes annually.
Average price category
There are many tuners in this category, they have functions for viewing high-frequency channels and recording. They can be used with equipment whose screen size exceeds 42 inches thanks to the addition of an HDMI interface. Choosing such a receiver for cable, digital television, you can not worry about the fact that it will soon become obsolete, since HDTV technology is only gaining momentum today.
The devices have USB connectors, so setting them up is straightforward. It is enough to download the required files on the official resource and transfer it to the equipment via a flash drive. About such a device as a receiver for digital television, the reviews are mostly positive. It has an acceptable cost, the presence of special outputs for connecting to the Internet and a card reader, allows you to display video in 1080P format.
Premium category
Such devices, in addition to the functionality of the middle class, have a wide range of additional features and certain equipment. Such a receiver is used for digital television, terrestrial and cable. Connection to the World Wide Web is possible using a wireless adapter via a Wi-Fi network, while low-cost analogs have only a standard LAN port. Tuners have a wide media player functionality, recording multiple channels simultaneously and a built-in browser.
Reviews
Choosing the best receiver for digital television, you should first study the various options and reviews of people who have already purchased them.
The tuner Rolsen RDB-507N, according to customers, has a compact size that allows you to discreetly place the device, an intuitive menu and the ability to play most of the formats of flash cards. Among the shortcomings, there is a small angle of operation of the remote control and unstable operation.
The BBK SMP017HDT2 device, according to reviews, has an excellent price / quality ratio, a clear image, slight heating during prolonged use.
The SUPRA SDT-94 Digital TV Receiver features fast channel search and low cost. Also, users note a wide angle of the remote control and the ability to record to a flash card.