A receiver is a device that receives signals, such as radio, television, or satellite broadcasts, and converts them into audio or visual output for the user to experience. In television or radio, the receiver picks up broadcast signals from the air or from a cable connection and allows the viewer or listener to watch programs or listen to stations. It can be a standalone device, like a radio or TV set, or part of a more complex system, like a satellite receiver or streaming device, which enables the user to access a variety of content.

What is a "receiver"?

receiver

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A cable converter box is a device that allows a television to receive and decode cable signals, converting them into a format that the TV can display. It is often used when a television does not have a built-in system for receiving digital or protected cable channels. The converter box connects to the cable service and provides access to a variety of channels, sometimes including premium or pay-per-view content. It may also offer additional features like on-screen guides, video recording, or parental controls.

What is a "cable converter box"?

cable converter box

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Wireless cable refers to a system that allows television signals to be transmitted without the use of traditional cables. It uses wireless technology, such as satellite signals or Internet-based streaming, to deliver channels and programs to the viewer's television. Wireless cable eliminates the need for physical cables, offering more flexibility in terms of setup and location.

What is "wireless cable"?

wireless cable

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A converter is a device that changes the frequency of a radio signal to make it compatible with the equipment receiving it. It works by taking signals that are transmitted at one frequency and converting them to a different frequency that can be processed by the radio or other devices. This allows the receiver to capture and interpret signals that would otherwise be out of its frequency range, enabling the reception of various radio channels or other types of communication.

What is a "converter"?

converter

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Contrast refers to the difference between the light and dark areas of the image of a television screen. It determines how distinct the bright and dark parts of the picture appear from one another. High contrast makes the bright areas appear very bright and the dark areas very dark, which enhances the sharpness and clarity of the image. Low contrast results in a more subtle difference between light and dark areas, which can make the image appear softer or less vibrant. Adjusting the contrast helps improve image quality based on viewing preferences.

What is "contrast"?

contrast

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A remote control is a device used to operate electronic equipment from a distance without needing to touch the device. It typically works using infrared signals or radio waves to send commands to the equipment, such as a television, sound system, or air conditioner. A remote control has buttons that allow users to change settings like volume, channel, or temperature. It is commonly used for convenience, making it easier to control devices from across the room without getting up.

What is a "remote control"?

remote control

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A screen is the flat surface on a device, such as a television, computer, or smartphone, where images, videos, and text are displayed. It uses light or pixels to create pictures that users can see. Screens come in different sizes and types and can be used for a variety of purposes, including entertainment, communication, and work. The quality of a screen is often determined by its resolution, brightness, and color accuracy, all of which affect how clear and vibrant the images or videos appear.

What is a "screen"?

screen

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A tuner is a device or part of a device that receives and selects specific radio or television signals. It adjusts to different frequencies to pick up broadcasts, allowing users to listen to various radio stations or watch television channels. In a television, the tuner helps decode the signals coming from cable, satellite, or over-the-air broadcasts so they can be displayed on the screen. Tuners are built into most modern TVs, radios, and other electronic devices, and can also be found in external devices that add signal-receiving capabilities to older equipment.

What is a "tuner"?

tuner

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volume

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LDTV, short for Low-Definition Television, refers to a type of television with a lower resolution compared to high-definition (HD) or ultra-high-definition (UHD) TVs. LDTV typically has a resolution of 480p or lower, meaning the screen displays fewer pixels, which results in less sharp and detailed images. It was common in earlier television models before HD became widely available. While LDTV offers a satisfactory viewing experience for some, it lacks the clarity and detail of newer, higher-resolution TVs, making it less popular as technology has advanced.

What is "LDTV"?

LDTV

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SDTV, short for Standard-Definition Television, is a type of television that offers a lower resolution compared to high-definition (HD) and ultra-high-definition (UHD) TVs. It typically has a resolution of 480p in North America or 576p in Europe, meaning the image is less sharp and detailed than what is found in HD or UHD TVs. SDTV was the standard for television broadcasts before HD became common, and it is still used for some broadcast channels and older TV models. While it provides an acceptable viewing experience, it does not offer the clarity and detail that newer, higher-resolution televisions do.

What is "SDTV"?

SDTV

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HDTV, short for High-Definition Television, refers to a type of television that offers a higher resolution than standard-definition TVs, providing clearer and more detailed images. HDTV typically has a resolution of 720p or 1080p, meaning it displays more pixels on the screen, resulting in sharper pictures and better overall image quality. This type of TV also supports wider screen formats and enhanced sound. HDTV became popular as technology advanced, offering a more immersive and visually appealing viewing experience compared to older TVs.

What is "HDTV"?

HDTV

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UHDTV, short for Ultra High-Definition Television, refers to a type of television with a resolution significantly higher than HDTV, offering extremely sharp and detailed images. UHDTV typically has a resolution of 4K (3840 x 2160 pixels) or 8K (7680 x 4320 pixels), meaning it displays even more pixels, resulting in a much clearer picture. This higher resolution allows for larger screen sizes without losing image quality and provides a more immersive viewing experience.

What is "UHDTV"?

UHDTV

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A cathode-ray tube (CRT) is a technology used in older television and computer monitors to display images. It works by sending an electron beam through a vacuum tube onto a phosphorescent screen. The screen is coated with tiny phosphor dots that glow when struck by the electron beam, creating images and text. CRTs were widely used for many decades, but they are now largely replaced by flat-panel technologies like LCD, LED, and OLED. While CRTs offered good color and contrast, they were bulky and heavy compared to modern screens.

What is a "cathode-ray tube"?

cathode-ray tube

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A rear-projection television is a type of TV that uses a large screen and a projection system to display images. Inside the TV, a light source projects images onto a mirror, which then reflects the image onto the screen from behind. This technology allowed for larger screen sizes compared to traditional cathode-ray tube (CRT) TVs, making it popular in the past for home entertainment. However, rear-projection TVs are bulky, require more space, and have largely been replaced by flat-panel technologies like LCD, LED, and OLED, which are thinner and more energy-efficient.

What is a "rear-projection television"?

rear-projection television

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A plasma TV is a type of flat-screen television that uses plasma technology to display images. It works by using small cells filled with gas that are electrically charged to produce light. When the gas is excited, it emits ultraviolet light, which then strikes phosphor materials to produce visible colors. Plasma TVs were known for their deep blacks, vibrant colors, and wide viewing angles, making them popular for home entertainment. However, they are heavier and consume more energy compared to modern LED and OLED TVs, and have largely been replaced by these newer technologies.

What is a "plasma TV"?

plasma TV

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A home theater is a setup designed to replicate the experience of watching movies or television in a cinema within a private home. It typically includes a large-screen television or projector, high-quality speakers, and a surround sound system to deliver immersive audio. The setup may also include components such as a Blu-ray player, streaming devices, and comfortable seating arranged to enhance the viewing experience. Home theaters aim to provide a high-quality, enjoyable entertainment experience with the convenience of home comfort.

What is a "home theater"?

home theater

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An antenna is a device used to receive or transmit radio, television, or other signals. It works by capturing electromagnetic waves, such as those sent by TV stations, radio stations, or cell towers, and converting them into electrical signals that can be processed by a television, radio, or other equipment. Antennas can be external, like a rooftop antenna for television, or built into devices, such as a smartphone. They are essential for receiving over-the-air broadcasts, wireless communications, and other forms of signal transmission.

What is an "antenna"?

antenna

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A speaker is a device that produces sound. It takes electrical signals and converts them into audible noise, allowing music, voices, or other sounds to be heard from electronic devices. Speakers are commonly found in radios, televisions, and computers, and they can range in size from small portable units to large, high-power systems.

What is a "speaker"?

speaker

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A flat-screen TV is a type of television with a thin, flat display, as opposed to older, bulky tube-style TVs. It uses modern technologies such as LCD, LED, or OLED to create clear and bright images. Flat-screen TVs are popular for their slim design, making them easier to mount on walls or fit into tight spaces. They offer better picture quality, energy efficiency, and thinner profiles compared to older CRT models. These TVs are available in various sizes and resolutions, including HD, 4K, and even 8K, providing an enhanced viewing experience.

What is a "flat-screen TV"?

flat-screen TV

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A CRT TV, short for cathode-ray tube television, is an older type of television that uses a large, heavy glass tube to display images. It works by shooting an electron beam onto a phosphorescent screen, which lights up to create pictures. CRT TVs were widely used before flat-screen TVs became common and were known for their durability and good color quality. However, they were bulky, heavy, and limited in screen size compared to modern LCD, LED, and OLED TVs, which are thinner, lighter, and provide better image quality.

What is a "CRT TV"?

CRT TV

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Cable television is a system that delivers television programming to viewers through special cables. It provides access to a variety of channels, including news, entertainment, sports, and other types of content, often with options for premium channels or on-demand services. Subscribers typically pay a monthly fee for access to these services, and cable TV systems are usually connected to the home via a cable box or digital receiver. Cable television is commonly used in urban and suburban areas and offers more channel variety than traditional over-the-air broadcasting.

What is "cable television"?

cable television

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Satellite television is a method of delivering TV programming to viewers using signals transmitted from satellites orbiting the Earth. These signals are sent to a satellite dish installed at the viewer's location, which captures them and sends them to a receiver connected to the TV. Satellite television provides access to a wide range of channels, including international and specialized ones, often reaching areas where cable services are unavailable. It is commonly used for both live broadcasts and pre-recorded shows, offering high-quality picture and sound.

What is "satellite television"?

satellite television

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HDMI, short for High-Definition Multimedia Interface, is a technology used to transfer high-quality video and audio between devices through a single cable. It connects devices like TVs, computers, gaming consoles, and media players to deliver clear pictures and sound. HDMI supports high-definition resolutions, including 4K and 8K, and advanced audio formats. It has become a standard for modern entertainment systems because it simplifies connections, reduces the need for multiple cables, and ensures high performance for both video and audio signals.

What is "HDMI"?

HDMI

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A coaxial cable is a type of electrical cable that consists of a central conductor, an insulating layer, a metal shield, and an outer protective covering. It is commonly used for transmitting television signals, internet data, and other forms of communication. The central conductor is usually made of copper and carries the signal, while the metal shield helps protect the signal from interference. Coaxial cables are known for their durability and ability to transmit signals over long distances with minimal loss, making them widely used in both residential and commercial settings.

What is a "coaxial cable"?

coaxial cable

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A component video cable is a type of cable used to send high-quality video signals from one device to another. It separates the video signal into three parts: one for brightness and two for color, usually with red, blue, and green connectors. This separation improves picture quality compared to older single-cable systems. Component video cables are often used with DVD players, game consoles, and some older TVs, but they only carry video signals, so a separate cable is needed for sound. They have largely been replaced by HDMI in modern setups.

What is a "component video cable"?

component video cable

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A composite video cable is a type of cable used to transmit video signals from one device to another through a single cable. It combines brightness and color information into one signal, which can reduce picture quality compared to other cables, like component video. Composite video cables typically have a yellow connector for video, along with red and white connectors for audio. They were commonly used with older TVs, DVD players, and game consoles but have since been replaced by higher-quality options like HDMI in modern devices.

What is a "composite video cable"?

composite video cable

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An S-Video (Separate Video) cable is a type of cable used to transmit video signals from one device to another. It separates the brightness and color signals into two separate channels, which helps improve picture quality compared to composite video cables that combine both signals. S-Video cables typically have a round connector with four or more pins. They were commonly used with older TVs, DVD players, and game consoles to provide better video quality than composite cables, but they have largely been replaced by HDMI and other high-definition video formats in modern devices.

What is an "S-Video cable"?

S-Video cable

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A VGA (Video Graphics Array) cable is a type of cable used to connect a computer to a monitor or other display device. It transmits video signals in a basic form, typically using a 15-pin connector. VGA cables were widely used for computer displays and projectors before the rise of digital connections like HDMI. While VGA can still provide a good quality image, it does not support high-definition video as well as modern digital cables and is now considered outdated for most uses. VGA is commonly found on older computers, monitors, and projectors.

What is a "VGA cable"?

VGA cable

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A DVI (Digital Visual Interface) cable is a type of cable used to connect a computer to a monitor or other display device. It can transmit both digital and basic video signals, providing a clearer picture than older cables like VGA. While DVI offers good video quality, it is now less commonly used compared to HDMI, which can also transmit audio and video signals. DVI is often found on older computers and monitors.

What is a "DVI cable"?

DVI cable

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DisplayPort is a type of cable and connector used to connect a computer to a monitor or other display device. It can transmit high-definition video and audio signals, providing a clearer and higher-quality image than older connections like VGA or DVI. DisplayPort supports both digital and high-resolution video, including 4K and 8K, and is commonly used with modern monitors and computers. It is often found on newer desktops, laptops, and graphic cards and is becoming more common in devices that require high-quality video and audio.

What is "DisplayPort"?

DisplayPort

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An audio cable is a type of cable used to transmit sound signals from one device to another. It connects devices such as speakers, headphones, televisions, and audio players to deliver audio signals. Depending on the type, audio cables can carry simple or digital sound signals, with digital cables typically offering better sound quality. They are widely used in home audio systems, car audio systems, and other devices that require sound transfer.

What is an "audio cable"?

audio cable

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Here you will learn some English words related to TV and radio such as "receiver", "screen", and "antenna".

Anglická slova pro "TV a rádio"