Abstract
Today's television has reached a high state of picture quality, and further major improvements are limited by the restrictions of the transmission standard. However, as IC technology advances, means have become available to eliminate or reduce many of the effects which still impair a perfect picture rendition. Among these effects are large-area flicker, line-flicker, cross talk between luminance and chrominance, and noise. Most of the TV makers working in that application area, normally referred to as IDTV (improved definition TV), use dedicated ASM called field memories (FMEMs), to store in an appropriate digital format the picture received by the TV set, and to apply to it DSP concepts, in order to improve the above mentioned effects. A novel architecture of a 2.9 Mbit field memory that is emerging as a European Industry Standard in IDTV applications, is described. Further evolution of the device specially suitable for PALplus applications is also described. >
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