在4K超高清显示技术全面进入家用市场的今日,面对为数众多的4K平板电视新品,以及渐趋普及的4K家庭影院投影机,越来越多的影音爱好者开始考虑将家中的全高清显示设备升级到4K等级。不过,4K节目源的疲匮乏仍然是限制4K产品走向普及的主要瓶颈,毕竟这是影响画质的关键因素。尽管针对节目源的问题几乎所有的4K显示产品都宣称具备一定程度的4K升频功能,能够将高清甚至标清信号转换成4K 4K Ultra HD display technology into the home market today, in the face of a large number of 4K flat-panel TV new products, and the growing popularity of 4K home theater projector, more and more video enthusiasts began to consider the full HD display at home Equipment upgrade to 4K level. However, the lack of 4K sources remains a major bottleneck that limits the popularity of 4K products, which are the key factors affecting picture quality, after all. Despite the source-specific issues Almost all 4K display products claim to have a degree of 4K up-conversion that converts high definition or standard definition signals to 4K