Sony RDR-GX7 Technical Notes - Page 27

RDR-GX7 Technical Notes Chapter 4-4 High quality image & sound s Post Video Equalizer The image quality of DVD-Video software varies due to a number of factors, including colour adjustment, local colour preferences, the era it was originally created, preferences of the authors, plus differences among equipment. Consequently, recordable DVDs will also exhibit differences depending upon the quality of the original source and the particular recorder used. Thus, to achieve the best possible playback condition, comprehensive picture adjustments may be required. For this reason the RDR-GX7 is equipped with a video equalizer which enables on-screen adjustment of parameters while the recording is viewed, with control through a menu on the GUI display. s Accurate Chroma Up-sampling It is said that the human eye is very sensitive to color, and for DVD software this is of particular importance. Because of the small size of the disc, data representing color must be compressed to 1/4th of its original volume during the production process before this data is recorded onto the disc. Then, during playback, the original information is restored through a process called chroma up-sampling. In the RDR-GX7, the appropriate form of correction for both video material and for fill-in material images is performed. Since different types of processing are performed depending upon the type of image, color bleed as well as lack of color are both dramatically reduced for superior, natural looking images, even down to outline details. It all adds up to a more enjoyable watching experience. 27