Set-top box for digital TV, how to choose, specifications

What is the set-top box for digital TV

The attachment to the digital TV is a technical device for receiving a digital signal transmitted by the broadcasting station, and decoding.

The signal after decoding is transmitted to the television receiver (TV), regardless of its ability to accept a particular type of signal (analog, digital).

Availability of set-top boxes can be used televisions, working with an analog signal type, you to view digital terrestrial channels.

Key Features boxes for receiving digital television

A digital TV tuner for television (receiver) serving for receiving digital programming, as well as other electronic devices, has certain technical characteristics that determine the possibility of its use with a specific type of television receiver, and determining quality parameters and outputted signal.

Resolution and Standard

Set-top boxes used for receiving terrestrial digital broadcast, to meet the standard and the DVB-T2 signal is performed by a normal television reception antenna (room, outside).

Previously issued standard DVB-T device taken out of service, so this option is necessary to pay attention to when purchasing the device.

DVB-T2 standard supports MPEG4 compression video signal type and Multiple PLP mode.

multimedia formats

Digital set-top box for the TV can be used as a multimedia player with which you can view your videos as well as listen to audio files.

Processing of files of various types in the following format to:

• video - MPEG-4 and AVC / H.264, AVI and MKV, as well as DivX and XviD;
• Photo - JPEG, JPG and RAW;
• audio - MP3 and WMA, AAC and Dolby Digital.

Control

Management of digital TV set-top box is performed by using the buttons placed on the body-top boxes, as well as by remote control.

Using the remote performs all the necessary adjustments and executed current control device operation (channel switching, sound level control, on / off, etc.).

Interface

Various models of consoles may be different set of connectors, serving for its connection to external devices.

Typically, such devices always have input and antenna output socket for connection to the electricity network connector type RCA «tulip" (audio / video) or SCART, and USB-port used to connect external compact drives.

HDMI-connector - allows you to watch the program and play the files with good sound quality.

Besides the above types of connectors, a digital TV set-top boxes may be present: a connector for connecting to a local area network such as the Internet 10/100, headphone and microphone as well as mini-DIN and S / PDIF outputs.

Additional options

Additional features, which are equipped with digital set-top boxes are the following, such as:

• «TimeShift» - the ability to "stop the broadcast."

In the presence of such a function in the devices standard DVB-S and DVB-S2 (satellite) broadcasting is interrupted, and it is possible to inspect a closed transfer or the film further from the place of execution stopped. The devices standard DVB-T2 (broadcasting) of the screen shot is taken when this function is activated, and the sound is muted, but the transmission continues to go.

• "TV Guide" - you can view the schedule for all channels available to the broadcast.
• "Scheduler" - makes it possible to activate the device at the right time to make a copy of the program or are interested in the film, broadcast on TV, and then run off consoles.

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Recommendations for the correct choice of the digital set-top box DVB-T2 standard,

When the question arises, how to choose a digital set-top box to your TV, you must determine the device selection criteria and pay attention to the following parameters specific model:

• Specifications: signal encoding method, the resolution of the television receiver screen, type and availability of connectors for connecting to a TV.
• The presence of additional features that enhance the technical capabilities of the receiver.
• Ease of use - the presence of the control buttons on the console casing.
• Reliability - depends on the brand manufacturer, controlling the quality of materials used and their assembly.
• Cost.

The cost of the product depends on all the parameters that influence the choice of a particular model. The better the technical characteristics and quality of the product, as well as the number of additional features, the higher the cost of the device.

What prefix DVB-T2 standard to choose, decides each user individually, based on the above figures shown and personal preferences.

Consoles on different number of channels

Broadcasting digital TV is carried on public access channels Multiplex Multiplex 1 and 2, determining the number of programs available for free viewing.

Each multiplex includes 10 channels, wherein the first packet includes: first channel and Russian 1 match TV and NTV, fifth channel and Russian "Culture", and also Russian 24, carousel, OTP and TVC.

In the second package includes: Ren TV and Savior Orthodox channel, CTC, Home, TV 3 and Sport + Friday, as well as stars, the world, TNT and Muz TV.

Multiplex 1 works anywhere there is a digital broadcast, and multiplex 2 - available in regions where have the appropriate equipment.

Digital set-top box for 20 channels

A large number of digital TV set-top boxes intended for the reception of 20 channels, which corresponds to the packages Multiplex Multiplex 1 and 2.

In this group of devices includes models from different manufacturers, different technical characteristics, the number of additional functions and, consequently, price. The main indicators TV-receiver 20 channels are input stream, sample rate, and memory.

Digital set-top box for 30 channels

Due to the fact that the development of technology does not stand still, but always there is a search for new technologies, which fully applies to the broadcast, and the emergence of Multiplex Pack 3 was quite natural.

This package is free of charge, and have made his announcement in a number of regions of our country, in this connection, the steel demand model set-top box, allowing to make 30 channels.

Devices of this group are more expensive than those that take only 20 channels, but the basic parameters determining criteria their choices are the same indicators: technical characteristics, the presence of additional features, ease of use and reliability.

Receivers for more than 30 channels

If there is no possibility of receiving terrestrial TV signal, you can always use a standard set-top DVB-S or DVB-S2, providing reception via satellite.

Models of this group have the possibility of taking over 30 free (FTA), as well as pay channels in high-precision format.

To use such receivers requires a special antenna with the converter, as well as cables, equipped with special connectors.

Digital broadcasting standards

The advantages of digital broadcasting as compared with analog are the following figures:

• Resistance to disturbances affecting the quality of the received signal.
• The ability to compress the transmitted information.
• High image quality.
• A large number of air channels in the same frequency range.

Set-top boxes, depending on the type of signal received, classified according to the following standards is:

1. DVB-C - used when working in the cable distribution network.
2. DVB-S and DVB-S2 - satellite TV.
3. DVB-H - broadcasting is carried out on mobile phones.
4. DVB-T2 - take the air digital broadcasts via an ordinary TV antenna (room, street).

Using the DVB-T2 standard for receiving broadcasting allows you to:

• increase the number of receivable channels broadcast in ether;
• run of "local" broadcasting;
• perform reception and playback of high definition signal;
• release perform essential frequencies.

Using the DVB-T2 standard to extend the capabilities of broadcasting, both in terms of the number of services and their quality.

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How to connect and configure the digital television set-top box to the TV

Connect your device to the latest digital television reception is carried out simply because they are equipped with the required connectors for this.

The connection is made as follows:

• Set-top box after the acquisition is taken from the package, and it removed the protective film.
• Using a cable equipped with connectors of type RCA «tulip" with applied color marking, you are connecting to a TV set-top boxes.

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• The socket intended for a TV antenna input, turns a television cable connector, attached to this antenna.
• Set-top box incorporated into the electrical network voltage of 220 Volts.

If using an older generation of TV that does not have the required connectors, you must purchase a special adapter or cable, equipped with the necessary connectors (SCART).

Setting the digital television set-top boxes using is carried out after connecting it to a television receiver and the inclusion of the power grid.

The setup process is performed in the following sequence:

• Using the remote control, you must go to "Menu" section. To do this, the remote has a corresponding button.
• In the "Menu" should find "Settings" and select it.
• Adjustment system prompts you to select a country - Russia and the received signal standard.

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• Adjustment system prompts you to select the type of performance of search channels - automatic or manual mode. Initially, better to choose the automatic search, which will simplify the process of performing settings on the receiver.
• The device detects the available video and radio channels at the location, then you must save them, for that press "OK" on the window "Saving" appears after performing a search.

If for some reason the receiver has found a small number of channels, or not found at all, you can use the manual search mode.

Review of popular models

Currently on the market of electronic devices, to ensure the reception of TV channels in the digital spectrum broadcasting a wide range of models from different manufacturers, equipped with standard and optional functions.

SUPRA SDT-94

The model is characterized by small size and ease of use. The receiver is equipped with HDMI and USB connectors type that allows you to use an external storage medium.

The model has the following additional features: Teletext, Timeshift and timer, as well as the work of "parental control" mode.

Rolsen RDB-532

This model is considered to be the most compact of the whole range of such devices. The distinctive feature of this model is its low cost and ease of use. Additional features available for this receiver - teletext, recording mode, delayed start. The model is equipped with a USB-connector.

Oriel 202

Included this device no connecting cable, which must be purchased separately. A distinctive feature of this model is a low cost, which explains the proper equipment. The receiver is available to work with flash cards.

Among the shortcomings should be noted - the lack of control buttons on the apparatus body and poor sound quality playback files and the received channels.

Tesler DSR-11 DolbyDigitalPlus

Convenient receiver, especially when used as a player. The model is equipped with all the necessary connectors and works with all file formats.

A disadvantage of the device is a remote control, which is inconvenient in operation.

BBK SMP129HDT2

The model differs ease of operation and some connectors. Nevertheless, the presence of the HDMI-connector provides the clarity of the received signal, and the USB-port allows for external devices in the video, audio and photo formats.

TELEFUNKEN TF-DVBT 205

The model is a multifunctional device. The main body of the receiver are arranged all the necessary control buttons that allow you to operate the device without the remote control (if necessary). Remote device control is convenient for use when setting the sensitivity of the device - good. The model works with all image and sound formats, the quality of their play - high.

SVEN EASY SEE-150 DD LED

The model is equipped with standard connectors, including USB. the housing is designed in the style of DVD-ROM. Of the additional features available Timeshift function.

BBK SMP240HDT2

One of the best models in the cost of goods group. The receiver is equipped with control buttons on the device and has a convenient control panel. The presence of HDMI-connector ensures high quality channels you watch, and the presence of additional functions expands capabilities of the device.

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Where to buy set-top box and the price of set-top boxes for digital TV

Buy a digital set-top box to the TV can be in the shops and supermarkets that sell electronic equipment and household appliances. Also, the implementation of these articles deal with dealers known companies operating in this segment of household goods.

In addition, for the acquisition of the receiver, you can use online resources, which also contains a large number of companies selling similar products.

Cost models varies greatly, the main parameter influencing this parameter is the standard device.

Set-top boxes DVB-T2 standard for broadcasting in standard cost from 800 to 3000 rubles.

Models of other standards (DVB-C and DVB-S2) are much more expensive, the cost can reach 25 000-35 000.