Technological Advancements in HD Television技术进步在电视房署

HD Television or HDTV is the latest type of modern television.房屋是最新型的高清晰度电视或现代电视. It is a high-resolution digital television (DTV).它是高清晰度数字电视(数字电视). Its superior audio quality is powered by Dolby Digital surround sound AC-3 system.其录音品质优于杜比数字环绕声,装有空调-3系统. It was first conceptualized in the 1970s in Japan.这是日本在70年代第一次概念化. Its foremost developers were Sony and NHK who later developed the NHK Hi-vision system, the father of the modern HD Television.其首要开发商索尼、日本NHK交响乐团后来发展高科技视觉系统房屋现代电视之父. This method creates pictures just like a 35 mm film.这种方法产生了35毫米电影画面一样. As a result, TV programs’ recording, playing, and editing are much more convenient and time-efficient.由于电视节目的录制、玩、编辑更方便和时间效率.

At present, HD Television offers greater picture and audio quality than ordinary TV.目前,房署提供更大电视画面和声音质量比普通电视. Some of HDTV’s upgraded features include its digital advantage, remarkable detail, and progressive scanning.一些高清晰度电视的升级特征包括数码优势明显,详细、渐进扫描. Ordinary and traditional TV sets have only 4:3 aspect ratios while HDTV has 16:9 ; that is 33% broader.与传统的普通电视机,而高清晰度电视的比例只有4:3方面有月经;即33%更广. This makes the image viewing much wider and more comprehensive like a theater system.这使得形象更广泛和更全面看像战区制. Aside from this, HDTV’s screen resolution has 1920 (horizontal) x 1080 (vertical) pixels compared to an ordinary TV’s 210,000 pixels per image.除此之外,高清晰度电视的屏幕决议已于1920×1080(横向)像素(纵向)比较普通电视图像,每21万像素. This makes the image enhancement 10 times sharper and more detailed.这就使得提高10倍图像清晰、更详细. Multicasting (the sending of more than one signal over a similar channel) is also possible when using HD Television.组播(发送信号超过一个以上的类似频道)播出时也用房屋电视.

HD Television uses 3 different kinds of broadcast formats.3各类房屋用途电视播放格式. These are the 720p (which has 1280 x 720 pixels progressive), the 1080i (which has 1920 x 1080 pixels interlaced), and the 1080p (which has 1920 x 1080 pixels progressive).这些都是720p(1280×720像素已经逐渐)该1080i(1920×1080像素隔行有)、1080p(1920×1080象素已逐渐). These formats are associated with the HDTV’s scanning system.这些格式也与高清晰度的扫描系统.

HD Television’s audio superiority offers 5.1 channels of CD-quality surround sound from different directions and frequency levels.房署电视的优势提供5.1频道音响影音品质环绕声从不同的方向和频率的水平. These include the left, right, center, left rear, right rear, and low frequency effects.其中包括左、右、中心、左后方、右后方,低频效果. The so-called “ghost images” of the standard NTSC television is totally diminished in the HDTV system.所谓"鬼形象"的标准NTSC系统完全消退的高清晰度电视系统. Blurry and snowy receptions are also reduced when using HDTV.模模糊糊,也减少了月饼酒会在使用高清晰度电视节目.

Our thanks to Dan Cole for contributing this article on the Technological Advancements in HD Television.科尔感谢丹贡献的科技进步这篇文章房署电视.

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