What is variable aspect ratio?

The aspect ratio describes the relationship of screen width to screen height. Standard TV signals are based on an aspect ratio of 4:3 (four units wide by three units high). HDTV signals are based on an aspect ratio of 16:9, making the image 33 percent wider than a normal TV, and enabling you to view TV and movies as if you were watching them in a theater.

In addition, many DVD movies look better on the widescreen display, because most of the movies made in the last 50 years were filmed in an aspect ratio of either 1.85:1 (very close to 16:9, which is equal to 1.78:1) or 2.35:1 (even wider than 16:9).

Variable aspect ratio support enables the scaling of 4:3 and anamorphic video so that the image fills the screen.

What is HDMI?

High-Definition Multimedia Interface (HDMI) is the first industry-supported, uncompressed, all-digital audio/ video interface. HDMI components can transmit both digital audio and video over a single cable, with improved quality over traditional analog connections because of an all-digital transmission. Transferring digital sources such as DVDs and HDTV programming can now be accomplished without analog conversions that can degrade the original signal.

44HP HDTV User’s Guide

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HP PL4272N 42 inch Plasma manual What is variable aspect ratio?, What is HDMI?
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PL4272N 42 inch Plasma specifications

The HP LC3772N, PL4272N, PL5072N, LC4276N, and SL4278N represent a diverse range of plasma television offerings that cater to various viewing preferences and room sizes.

Starting with the HP LC3772N, this 37-inch plasma model is ideal for medium-sized living spaces, providing high-definition display quality. The LC3772N boasts a resolution of 1024x768 pixels, ensuring that viewers can enjoy crystal clear images with vibrant colors. With a refresh rate that minimizes motion blur, this model is perfect for watching fast-paced sports or action films. The unit also features multiple connectivity options, including HDMI and component inputs, allowing for seamless connection with gaming consoles and other multimedia devices.

Next, the PL4272N is a 42-inch plasma television that enhances the viewing experience with its larger screen size and advanced features. It offers similar resolution capabilities as the LC3772N but adds improved contrast ratios, enhancing picture depth and clarity. The PL4272N supports 720p high-definition video and includes built-in speakers designed to elevate audio output. This model is known for its wide viewing angles, making it suitable for gatherings with family or friends, ensuring everyone enjoys a stellar view.

The PL5072N takes this performance a step further with a generous 50-inch screen, suitable for a more immersive home theater experience. This model features 1080p full HD resolution, delivering stunning visuals with rich detail that enhances movie nights and gaming sessions. The advanced plasma technology used in the PL5072N offers deeper blacks and brighter whites, creating an impressive dynamic range. Its sleek design and thin profile also make it an attractive addition to any living room decor.

The LC4276N stands out in the 42-inch category with its innovative energy-saving features, making it not just a visual delight but also an environmentally friendly choice. Equipped with advanced image processing technologies, the LC4276N delivers enhanced color accuracy and sharpness.

Finally, the SL4278N is another 42-inch plasma television that showcases a modern design and smart features. It delivers stunning picture quality with low input lag, appealing to gamers who demand responsive gameplay. The SL4278N includes networking capabilities, enabling users to enjoy streaming content from popular services directly on their screen.

In summary, these HP plasma models vary in size and features but all deliver exceptional picture quality, making them suitable for varied viewing preferences and settings.
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