To: VINTHO who wrote (25861 ) 11/28/1997 8:54:00 PM From: J Fieb Read Replies (2) | Respond to of 50808
Perhaps the video experts can determine from this PR piece from SHARP the significance of their advancements. Did they do their own decoder? OSAKA, JAPAN - Sharp Corporation, a major electronics manufacturer, announces the introduction in Japan of a high-resolution DVD player. The DV-S100 uses two new proprietary digital circuit technologies developed by Sharp to reproduce subtle video images which had previously been difficult to render clearly. The newly developed proprietary digital circuits are --1.A "Digital Gamma" circuit that renders color value gradations with a rich range of brightness valuesThis new digital video technology finely brings out subtle gradations by correcting dark areas of images while leaving bright areas unchanged. (three patents pending) 2.A "Digital Super Picture" circuit that makes edge details stand out in distinct contrastThis new digital technology reproduces minute aspects of edges according to the image content. Video images come alive with vibrant, vivid colors in the finest detail. (five patents pending)In addition, the DV-S100 takes full advantage of the high quality of the digital audio available from DVDs to allow users to enjoy three types of three-dimensional digital sound:1) Dolby Digital full decoding (reproduces the full sound field by outputting 5.1-channel Dolby Digital sound in analog format)2) Dolby Pro Logic decoding (reproduces a theater-like sound field by outputting five Dolby Pro Logic analog channels)3) Virtual Surround (creates a full-perimeter QSurround sound field using only right and left speakers) Plus, the DV-S100's compact size of just 270 mm (10.6") (W) and 80 mm (3.1") (H) allows it to form a smart-looking combo when combined with mini-component stereo systems, making it ideal for personal use. In Japan, some 500 titles of DVD software are now available and the market for DVD players is truly beginning to take off. In addition, demand is also increasing for home theater systems formed around Dolby Digital sound. In response to this demand, the DV-S100 is being offered as a digital multimedia unit to play back video and audio with a realistic sense of presence that previously could only be experienced in the concert hall or theater. [ Major Features ] [ High-Quality Video Circuitry and Functions ] 1.Proprietary Sharp "Digital Gamma" circuit renders video color brightness levels more visible (three patents pending)The DV-S100 is equipped with a newly developed digital video circuit designed to enhance picture quality. Digital Gamma corrects the playback level for areas of low brightness without affecting bright areas, resulting in reproduction of a rich range of color depth for what would conventionally be seen as only "black." As a result, the DV-S100 can play back video images for easy viewing according to the viewing environment and the video content, enabling users to enjoy vibrant, vivid images even in brightly lit rooms. 2. Proprietary Sharp "Digital Super Picture" circuit makes images come alive with fine detail (five patents pending)This circuit enhances edge details according to the image content. This proprietary adaptive digital circuit selects and enhances low-brightness, low-amplitude, and high-frequency components to deliver vibrant and vivid image details. As a result, viewers can enjoy highly detailed pictures even with dim or dark images that have a low level of detail.........................sharp.co.jp