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【速搜问答】手机高刷新率是什么意思

问答 admin 3年前 (2020-06-11) 1031次浏览 已收录 0个评论

汉英对照:
Chinese-English Translation:

手机刷新率是指屏幕上面的图像看到的扫描次数,这样会显得你画面更流畅,高刷新率屏幕的好处很广泛,使用中由于现在我们的手机处理器已经满足屏幕高刷新率的性能需求,配合高刷新率屏幕能让系统的每一次滑动,每一个窗口动画更加的流畅。

The refresh rate of mobile phone refers to the number of scans the image on the screen sees, which will make your picture more smooth. The advantages of high refresh rate screen are very wide. Now our mobile phone processor has met the performance requirements of high refresh rate screen. With the high refresh rate screen, every slide of the system and every window animation are more smooth.

高刷新率屏幕带来的好处很广泛,在日常使用中,由于现在我们的手机处理器已经满足屏幕高刷新率的性能需求,配合高刷新率屏幕能让系统的每一次滑动,每一个窗口动画更加的流畅。实现系统日常操作更加流畅的方向有很多种,不过最终还得软硬结合得当,高刷新率+界面动画帧数同步提升是一种、iPhone X 上大受好评的 120Hz 触摸采样也是一种。

The advantages of high refresh rate screen are very wide. In daily use, because our mobile phone processor has met the performance requirements of high refresh rate screen, with high refresh rate screen, every slide of the system and every window animation can be more smooth. There are many ways to make the daily operation of the system more smooth, but ultimately it has to be properly combined with software and hardware. High refresh rate + synchronous improvement of interface animation frame number is one of the ways, as is the well-known 120Hz touch sampling on iPhone X.

刷新率是指电子束对屏幕上的图像重复扫描的次数。刷新率越高,所显示的图象(画面)稳定性就越好。刷新率高低将直接决定其价格,但是由于刷新率与分辨率两者相互制约,因此只有在高分辨率下达到高刷新率这样的显示器才能称其为性能优秀。

The refresh rate is the number of times the electron beam repeatedly scans the image on the screen. The higher the refresh rate, the better the stability of the displayed image (picture). The refresh rate will directly determine its price, but because of the mutual restriction between refresh rate and resolution, only a display with high refresh rate at high resolution can be called excellent performance.

而游戏方面,光是有块高刷新率的屏幕是不够的,现在很多手游因为考虑到普遍手机性能的问题,把帧数锁在 60fps 上限,这是难以配合高刷新率屏幕展现出更流畅的画面的。不过如果使用高刷新率屏的旗舰手机多起来,那么游戏厂家自然会跟进相关动作,毕竟在游戏里面加个高帧率选项应该是非常简单的事情。

In terms of games, it’s not enough to have a high refresh rate screen alone. Now many mobile games lock the frame number at the upper limit of 60fps because of the common performance of mobile phones, which is difficult to show a smoother picture with a high refresh rate screen. However, if there are more flagship phones with high refresh rate screens, the game manufacturers will naturally follow up the relevant actions. After all, it should be very simple to add a high frame rate option to the game.

对于更加关注手机日常使用体验的朋友们而言,更高的手机屏幕刷新率无疑成为最让人兴奋的升级,因此越来越多的旗舰手机的刷新率也是不断的升级,越来越高了,也许有些朋友对屏幕高刷新率还有些疑惑:高刷新率真的有用吗?会不会体验感知不到还徒增功耗?今天我们就来详细说说高刷新率对于手机而言到底是好是坏。

For the friends who pay more attention to the daily use experience of mobile phones, the higher refresh rate of mobile screen undoubtedly becomes the most exciting upgrade. Therefore, more and more flagship mobile phones are constantly upgrading their refresh rate, which is getting higher and higher. Maybe some friends still have some doubts about the high refresh rate of screen: is the high refresh rate really useful? Will you experience the power consumption increase even if you don’t feel it? Today, let’s talk about whether high refresh rate is good or bad for mobile phones.

首先,我们得先知道什么是屏幕刷新率。简单地说,屏幕刷新率就是单位时间内屏幕刷新画面的次数。屏幕显示的画面之所以会动起来,是因为连续的两帧画面上存在细微的差异,连续帧的画面差异按一定顺序呈现出来,就会在视觉上形成画面动起来的感知。

First, we need to know what screen refresh rate is. Simply put, the screen refresh rate is the number of screen refreshes per unit time. The reason why the screen display moves is that there are subtle differences between the two consecutive frames. When the differences between the consecutive frames are presented in a certain order, the perception of the screen moving will be formed visually.

其原理也没有特别复杂,相信很多朋友都玩过纸动画:打开页面,我们可以看到每张纸上都会有画面,但每一张都有所不同。当页面被连续翻动时,就会给人一种画面动起来的错觉。没错,屏幕刷新也是一样的道理。

Its principle is not particularly complex, I believe many friends have played paper Animation: open the page, we can see that there will be pictures on each paper, but each one is different. When the page is flipped continuously, it will give people an illusion of moving pictures. Yes, screen refresh is the same thing.

那么什么是高刷新率呢?这就涉及到了动画动作是否顺畅的问题。此前很长一段时间内,屏幕的最高刷新率都是 60Hz,即每秒刷新 60 帧画面。只要性能足够并且软件优化到位,手机的动画都能以这样的刷新率运行,也就是通常所说的流畅。但流畅不代表视觉效果就好,比如帧数较低时我们就会感觉画面动作比较滞涩。

So what is a high refresh rate? This involves whether the animation is smooth. Before that, for a long time, the maximum refresh rate of the screen was 60Hz, i.e. 60 frames per second. As long as the performance is enough and the software is optimized in place, the animation of mobile phone can run at such a refresh rate, which is usually called fluency. But fluency doesn’t mean the visual effect is good. For example, when the frame number is low, we will feel the picture movement is relatively stagnant.

帧数低带来的画面滞涩感在大尺寸屏幕上尤为明显,这也就是为什么现在电脑游戏玩家大多都会使用高刷新率电竞屏的原因。其实从上面的慢动作动图中我们也可以看到,更高的帧数让相邻两帧画面差别幅度更小,动画播放起来也就会让人感觉更加顺畅。

The image stagnation caused by low frame number is particularly obvious on large-scale screen, which is why most computer game players now use high refresh rate video game screen. In fact, from the above slow motion picture, we can also see that a higher number of frames makes the difference between the adjacent two frames smaller, and the animation will be played more smoothly.

目前所谓的高刷新率,就是指高于 60Hz 的刷新,在移动设备上几个比较常见的高刷新率数值就是 90Hz、120Hz,即每秒刷新 90 帧画面、每秒刷新 120 帧画面。就拿华为 P40 Pro+的 90Hz 来说,它可以提供比普通 60Hz 多一半的画面帧数,能给用户带来更加显著的动画顺滑感。

At present, the so-called high refresh rate refers to the refresh higher than 60Hz. Several common high refresh rate values on mobile devices are 90hz and 120Hz, that is, 90 frames per second and 120 frames per second. Take the 90hz of Huawei P40 PRO +, which can provide more than half of the picture frames than the ordinary 60Hz, and can give users a more significant sense of smooth animation.

既然高刷新率屏幕可以带来更好的体验,那么为何它还没在智能手机上实现普及呢?实际上,想要给手机搭载一块高刷新率屏幕有很高的难度——

Since a high refresh rate screen can bring a better experience, why hasn’t it been popularized on smartphones yet? In fact, it’s very difficult to equip a mobile phone with a high refresh rate screen——

从硬件层面来说,屏幕高刷新率意味着更高的耗电,同时也给芯片带来了更高的性能负荷。比如普通刷新率的手机每秒只需要渲染 60 帧画面,但 90Hz 的刷新率就需要手机每秒渲染 90 帧画面,性能需求显著提升,功耗自然也会更高。这对于电池容量有限的手机而言并不友好。

From the hardware level, high refresh rate of the screen means higher power consumption, but also brings higher performance load to the chip. For example, a normal refresh rate mobile phone only needs to render 60 frames per second, but a 90 Hz refresh rate requires the mobile phone to render 90 frames per second. The performance demand is significantly improved, and the power consumption is naturally higher. This is not friendly for mobile phones with limited battery capacity.

从软件层面来说,以往生态均是建立在 60Hz 的基础上,想要获得更加稳定的体验,就需要对软件进行深度适配。另外,想要更好的体验高刷新率资源也是一大方面,比如现在的视频基本都是 24 帧/秒,想要更流畅的视频体验就需要设备支持插帧技术。

From the perspective of software, the previous ecology is based on 60Hz. In order to get a more stable experience, we need to deeply adapt the software. In addition, to experience high refresh rate resources better, for example, the current video is basically 24 frames per second. To have a smoother video experience, you need the device to support frame insertion technology.

所以,想要高刷新率的稳定体验,不是换一块高刷新率屏幕就一劳永逸,其背后牵扯的内容都需要进行进一步优化。可能有些朋友会有这样的担心:如果买了高刷新率屏幕的手机,万一感知不强还徒增功耗岂不是废了?其实这样的担心完全多余,如果感知不到高刷新率带来的提升,一般支持高刷新率的手机中都会提供刷新率选择设置,将刷新率设置回常规的 60Hz 即可。

Therefore, if you want a stable experience with high refresh rate, it is not a once and for all experience with a high refresh rate screen. The content involved in it needs to be further optimized. Some friends may have such a worry: if you buy a mobile phone with a high refresh rate screen, in case the perception is not strong, it will increase the power consumption? In fact, such a worry is unnecessary. If you don’t perceive the improvement brought by high refresh rate, generally the mobile phones that support high refresh rate will provide the refresh rate selection setting, and you can set the refresh rate back to the normal 60Hz.

依照目前的发展趋势,2020 年将是高刷新率屏幕大爆发的一年,这对于消费者而言无疑是件好事儿,它可以给我们带来显著的视觉增益。

According to the current development trend, 2020 will be the year of high refresh rate screen explosion, which is undoubtedly a good thing for consumers, it can bring us significant visual gain.


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