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HDMI线的信号传输问题还是长距离,现在不是解决了吗?

date:On February 05, 2018 Source:  

   在以往讨论HDMI线的传输距离的时候,最关心的就是长度的问题了,以前的中小学等都进行教室投影的更新换代,高清投影是基本的需要,但受到目前线材等各种情况的制约,HDMI线缆有效传输距离相当有限,而一般学校的教室,尤其是大学的阶梯教室,或者礼堂等面积大,天花高,如何满足这类教室的HDMI布线,是目前HDMI行业最难解决的难题。

In the past to discuss the HDMI cable transmission distance, the most concerned about is the length of the problem, the previous primary and secondary classroom projection updates, high-definition projection is a basic need, but by the current wire and other constraints , HDMI cable effective transmission distance is quite limited, and general school classrooms, especially university classrooms, or auditorium and other large area, high ceiling, how to meet such classroom HDMI cabling, HDMI industry is the most difficult to solve the problem .

HDMI接口

   随着投影技术的不断提升,目前很多厂商纷纷推出FULLHD甚至支持3D高清的投影设备,普通消费者,或者机关专业采购商很容易就能在消费市场买到合适的投影设备,但在布设HDMI播放系统方面却遇到了困难。教室布设HDMI播放系统就主要还是布线难题。众所周知,受到材质以及技术方面的原因,HDMI有效传输距离相当有限。对于面积大,天花高的教室来说,HDMI布线需要长距离HDMI传输技术的支持。

With the continuous improvement of projection technology, many manufacturers have launched FULLHD or even 3D HD projection equipment. Ordinary consumers or professional purchasers can easily purchase appropriate projection equipment in the consumer market. However, when laying out HDMI playback System has encountered difficulties. Classroom layout HDMI playback system is still the main wiring problems. As we all know, due to material and technical reasons, HDMI effective transmission distance is quite limited. For large area, high ceiling classrooms, HDMI cabling requires long-distance HDMI transmission technology support.


   现在HDMI在数据传输方面有着出色的抗衰减能力,这使得它在长距离传输上比DVI等方式更具优势,而且HDMI其抗衰减能力的出色之处还表现在它对线材的不挑剔上,普通HDMI线与高价HDMI线的表现相似,这一特性可以使得我们能够节省不少在线材上的投入,HDMI卓越性能使得它在极限电缆长度的情况下都表现优异。HDMI没有指定线缆的距离限制,提出的是线缆必须保证的表现为依据,这也是很多网上都说HDMI没有长度限制的原因。

HDMI is now in the data transmission has excellent anti-attenuation capability, which makes it in the long-distance transmission more than DVI and other advantages, and HDMI anti-fading ability is also excellent in its not picky on the wire, This feature allows us to save a lot of investment on the wire, the HDMI performance of ordinary HDMI cable and high-priced HDMI cable makes it excellent performance in the case of the limit cable length HDMI no specified cable distance Limit, the proposed cable is the performance must be guaranteed as the basis, which is why a lot of online say HDMI no length limit.


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