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HDTV

Acronym for “High Definition Television,” a format that produces much greater picture quality than a standard television, and in a wide-screen format that matches that of a movie theater screen. The two most popular formats are 1080i and 720p, where the number represents how many horizontal scan lines they have, and the following letter represents whether the picture is interlaced, or the product of progressive scanning technology. Interlaced displays paint the odd-numbered scan lines and then the even- numbered lines to produce a picture, whereas progressive scan paints all of the scan lines at once. Both formats use an aspect ratio of 16:9. In contrast, standard North American television signals are displayed using 480 interlaced (480i) scan lines with a more square aspect ratio of 4:3.

Hue

Refers to a specific color within the visible spectrum of light, defined by its dominant wavelength. A light wave with a central tendency within the range of 565-590 nm is visible as yellow. In the standard RGB color space used by most computer displays, hue refers to a coordinate of the color as described by its red, green, and blue values, minus any additional brightness or saturation values for that color.

HydraVision™

HydraVision™ is ATI’s multi-monitor management software, enabling users to manage the display of multiple windows and applications across two or more adjacent monitors. It also includes a range of productivity features designed to effectively manage applications in this environment.

HyperZ™ HD

HyperZ™ HD includes a number of different technologies aimed at optimizing memory-bandwidth efficiency, particularly with respect to Z- buffer operations. The Z-Buffer, sometimes also called the Depth Buffer, stores information used to determine the placement of objects in a 3D environment with respect to the viewpoint of the observer. Reading and updating this buffer typically consumes more memory than any other part of the 3D rendering process, making it a major performance bottleneck. HyperZ™ HD technology reduces the memory bandwidth consumed by the Z-Buffer, thereby increasing performance while also making the 3D environment more realistic.

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ATI Technologies X1600 manual Hue, HydraVision, HyperZ HD
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X1600 specifications

The ATI Technologies X1600 is a notable entry in the realm of graphics cards, launched during the mid-2000s as part of the company's Radeon X1000 series. Renowned for its performance and value, the X1600 was designed to cater to gamers and multimedia enthusiasts looking for an affordable yet capable graphics solution.

One of the hallmark features of the X1600 is its implementation of the unified shader architecture. This innovative architecture allows the GPU to allocate processing power dynamically among vertex and pixel shaders, enhancing visual effects and performance in modern games of the time. Its support for Shader Model 3.0 enabled more complex pixel shaders and realistic characters and environments, providing a richer gaming experience.

The X1600 series includes several variants, with the X1600 Pro and X1600 XT being the most prominent. The X1600 XT is equipped with 12 pixel shader processors and 5 vertex shader processors, while the X1600 Pro features a slightly less potent 12 pixel and 4 vertex shading pipeline setup. This categorization allowed users to select a model that best suited their performance needs and budget constraints.

In terms of memory, the X1600 typically supports GDDR2 and GDDR3 types, providing bandwidth essential for high-resolution textures and demanding applications. With options for 256 MB to 512 MB of video memory, the X1600 can handle a variety of gaming scenarios while maintaining decent frame rates.

The X1600 introduces several technologies to enhance user experience. It includes support for High Dynamic Range (HDR) rendering, which brings a broader color range and more realistic lighting effects to games. Additionally, it supports Avivo, ATI's multimedia technology for improved video playback and processing capabilities, enhancing the experience for users interested in home theater systems.

Another significant characteristic of the X1600 is its compatibility with the PCI Express interface, allowing for greater bandwidth between the graphics card and the motherboard. This ensures that the card takes full advantage of modern computing setups, making it a versatile option for many builders and upgraders.

In summary, the ATI Technologies X1600 stands out in the mid-range graphics market due to its unified shader architecture, support for advanced shading technologies, and robust memory options. Its balance of performance and price made it a favored choice during its release, helping to shape the evolution of graphics technology in subsequent generations.
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