Glossary, Aspect ratio | Sony KV-27HS420 specs

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Glossary

analog signal A signaling method that uses continuous changes in the amplitude or frequency of an electronic transmission to convey information.

aspect ratio Refers to the ratio between the width and height of the screen. KV-27/32/36HS420 models have a 4:3 aspect ratio; KV-30/34HS420 models have a a 16:9 (widescreen) aspect ratio.

4:3 aspect ratio

16:9 aspect ratio

component video Component video is sent through three cables: two color shade (chrominance) signals and one

brightness (luminance) signal. Component video achieves greater color accuracy than composite video or S VIDEO by splitting chrominance into two separate portions.

composite video Composite video is sent through a single cable. Composite video combines the color shade (chrominance) and brightness (luminance) information into one video signal.

degauss A process that demagnetizes the metal components in the TV monitor, which eliminates image distortion that can result from magnetic charges acquired by the TV’s components. Your TV degausses automatically when it is turned on.

digital television (DTV) A new technology for transmitting and receiving broadcast television signals. DTV provides clearer resolution and improved sound quality over analog television.

HDMI (High-DefinitionProvides an uncompressed, all-digital audio/video interface between this TV and any HDMI-

Multimedia Interface) equipped audio/video component, such as a set-top box, DVD player, and A/V receiver. HDMI supports enhanced, or high-definition video, plus multi-channel digital audio.

National Television System A unit of the Federal Communications Commission, Washington, DC, that establishes

Committee (NTSC) television standards in the United States, such as NTSC Color, the standard used in this TV.

RF Radio Frequency. That part of the frequency spectrum that is used to transmit TV and radio signals.

S VIDEO S VIDEO requires a single cable, which carries the brightness (luminance) and color (chrominance) signals of the picture separately. S VIDEO provides better resolution than composite video, which carries the signals together.

VHF/UHF VHF (Very High Frequency) is the part of the frequency spectrum from 30 to 300 megahertz. UHF (Ultra High Frequency) is the part of the frequency spectrum from 300 to 3,000 megahertz.

480i Provides 480 lines of resolution. Displays images using interlaced scanning, which first transmits all the odd lines on the TV screen and then the even lines.

480p Provides 480 lines of resolution. Displays images using progressive scanning, which transmits each line from top to bottom.

720p Provides 720 lines of resolution. Displays images using progressive scanning, which transmits each line from top to bottom.

1080i Provides 1080 lines of resolution. Displays images using interlaced scanning, which first transmits all the odd lines on the TV screen and then the even lines. 1080i is one of the formats used by HDTV (High Definition TV).

KV-27HS420 specifications

The Sony KV-27HS420 is a notable entry in the world of television technology, emblematic of the brand’s commitment to quality and innovation. Introduced in the early 2000s, this 27-inch CRT television set combines classic design with a range of features and technological advancements that marked its time.

One of the standout features of the KV-27HS420 is its high-resolution display, capable of delivering vibrant colors and sharp images. The television employs Sony’s Digital Crystal Clear technology to enhance picture quality, providing viewers with an immersive visual experience. This technology works by optimizing contrast and brightness, ensuring that images remain lifelike and clear, regardless of the scene's lighting conditions.

The KV-27HS420 comes equipped with a built-in 3-line digital comb filter, a significant innovation that enhances picture clarity by reducing visual artifacts and improving color fidelity. This filter ensures that the television can handle various video sources, from standard broadcasts to high-quality DVDs, with exceptional performance across the board.

Connectivity is another strong point for the KV-27HS420. It includes multiple inputs, allowing users to connect a variety of devices, such as DVD players, video game consoles, and cable boxes. The set features both RCA and S-Video inputs, providing flexibility for different user needs. Additionally, the inclusion of an RF input further broadens the television's compatibility with a range of antenna and cable services.

When it comes to sound, the KV-27HS420 does not fall short. The television features a robust audio system with stereo sound output, ensuring that viewers enjoy a comprehensive aural experience that complements the stunning visuals. Advanced audio technologies help to create depth and clarity in sound, making it suitable for everything from watching movies to enjoying music.

Design-wise, the KV-27HS420 boasts a sleek and compact appearance that easily fits into various living room arrangements. Its stylish black cabinet and anti-glare screen were particularly well-received, as they contribute to a more enjoyable viewing experience by minimizing reflections and distractions.

Overall, the Sony KV-27HS420 remains a testament to the legacy of CRT televisions, combining established technology with user-friendly features. Its image quality, connectivity options, and audio performance make it a worthy consideration for anyone seeking a classic television experience in the digital age. While modern flat-screen TVs have overtaken CRT models in popularity, the craftsmanship and engineering behind the KV-27HS420 continue to be admired by vintage tech enthusiasts and collectors alike.