本帖最后由 room 于 2019-3-18 16:15 编辑
Auto Low Latency Mode（ALLM） 自动低延迟模式 （ALLM） Another great feature created with gamers in mind, Auto Low Latency Mode (ALLM), also known as Auto Game Mode, allows supported TVs to automatically enable the TV's low latency 'Game' mode when it detects a game being played. This saves you the hassle of having to manually enable it each time you start playing. It even knows the difference between playing a game, watching a game on YouTube, or watching a movie, and automatically switches as needed. Again, Samsung was ahead of the pack with this feature, as some 2018 models already support it. 另一个伟大的功能源自于游戏玩家的想法，自动低延迟模式（ALLM），也称为自动游戏模式，当它检测到一个游戏正在运行时，允许支持的电视自动启用电视的低延迟'游戏'模式，。这就省去了每次开始播放时必须手动启用的麻烦。它甚至知道玩游戏和在YouTube上观看游戏或观看电影之间的区别，并根据需要自动切换。同样，三星在这一功能上领先，在一些2018款机型上已经支持这一功能。
Quick Media Switching (QMS) 快速媒体切换（QMS） In the past, whenever your device changed the parameters of the signal it was sending, like TV, the screen would go black for a few seconds while the TV adjusted to the new signal. This would be especially noticeable on game consoles, where the output refresh rate, and even the resolution, would sometimes change depending on the content. Quick media switching fixes this issue. When a compatible source is connected to a compatible display, the display will no longer display a black screen when switching formats, instead instantly switching between modes with no distracting black screen. 在过去，每当你的设备改变它发送的信号的参数时，比如电视，在调整到新的信号期间，屏幕会变黑几秒钟。这在游戏机上尤其明显，在游戏机上，输出刷新率甚至分辨率有时会根据内容而变化。快速媒体切换可解决此问题。当兼容源连接到兼容显示器时，显示器在切换格式时将不再显示黑屏，而是立即在模式之间切换，而不会有分散注意力的黑屏。
Quick Frame Transport (QFT) 快速帧传输（QFT） Quick Frame Transport changes the way images are transferred from a source device to a display. Frames are transferred at a much higher rate, in order to reduce latency. Total input lag is a measure of many factors, including the time it takes the display to process the image and display it on screen. QFT won't completely eliminate input lag, but it will reduce the lag caused by the transfer time between the source and the display. 快速帧传输改变图像从源设备传输到显示器的方式。为了减少延迟，帧以更高的速率传输。总输入延迟是许多因素的总和，包括显示器处理图像和在屏幕上显示图像所需的时间。QFT并不能完全消除输入延迟，但它可以减少源和显示器之间的传输时间所造成的延迟。
Enhanced Audio Return Channel (eARC) 增强型音频回传通道（eARC） The Audio Return Channel, or ARC, has been a part of the HDMI standard since version 1.4. ARC allows you to connect all of your source devices (Blu-ray, game console, etc...) directly to your TV, and have a single HDMI cable connecting the TV to your receiver. This enables bi-directional communication between your receiver and TV; audio is sent from the TV to the receiver, or the receiver sends video back to the TV, with only one cable. This also allows you to connect devices to the TV or receiver, and all of them will send the audio to the receiver. This is great for a wall-mounted TV or ceiling-mounted projector. 音频回传通道（简称ARC）自1.4版以来一直是HDMI标准的一部分。ARC允许您将所有信号源设备（蓝光、游戏机等）直接连接到电视，并使用单根HDMI电缆连接电视连接到你的接收器。这将启用接收器和电视之间的双向通信；音频从电视发送到接收器，或者接收器仅使用一根电缆将视频发送回电视。这还允许您将设备连接到电视或接收器，所有设备都会将音频发送到接收器。这对于壁挂式电视或壁挂式投影仪是很好的选择。 The current implementation of ARC has some limitations, though; the limited bandwidth (~1 Mbps) limits the quality of the audio that can be sent over the return channel, making it impossible to send high quality, uncompressed audio to your receiver. 然而，ARC的当前实现有一些限制；有限的带宽（~1 Mbps）限制了可以通过返回通道发送的音频的质量，使得无法向接收器发送高质量的未压缩音频。 eARC solves these issues, and truly future-proofs your display and receiver. It vastly increases the amount of bandwidth that the ARC channel can use, up to an impressive 37 Mbps. This extra bandwidth makes it possible to send uncompressed 5.1 and 7.1 audio, such as Dolby TrueHD and DTS-HD MA, which are often the carrier signals for Dolby Atmos and DTS:X. eARC解决了这些问题，真正为您的显示器和接收器提供不会过时的技术。它极大地增加了ARC通道可以使用的带宽，高达37 Mbps。这种额外的带宽使发送未压缩的5.1和7.1音频成为可能，例如杜比TrueHD和DTS-HD MA，这通常是杜比全景声和DTS：X的的载频信号。
Display Stream Compression（DSC） 1.2 显示流压缩（DSC）1.2 With the new, higher bandwidth requirements of HDMI 2.1, it was clear that new methods of compression were required. The most common method of compressing video streams was a technology called Display Stream Compression. DSC was initially developed with computers in mind and couldn't encode most TV signals efficiently, as it could only work with RGB color. The VESA group that is responsible for maintaining DSC released an updated version of DSC, known as DSC 1.2, which increased the maximum color depth to 16 bit and enabled native YCbCr 4:2:0 and YCbCr 4:2:2 encoding without the need to convert to RGB first. 随着HDMI 2.1新的、更高的带宽要求，很明显需要新的压缩方法。压缩视频流最常用的方法是一种称为显示流压缩的技术。DSC最初是在考虑计算机的情况下开发的，不能有效地编码大多数电视信号，因为它只能与RGB颜色一起工作。负责维护DSC的VESA组发布了一个更新版本的DSC，称为DSC 1.2，它将最大颜色深度增加到16位，并启用了本机YCBCR 4:2:0和YCBCR 4:2:2编码，无需先转换为RGB。 This technology, which is supported by HDMI 2.1 but not necessarily by all devices that will support HDMI 2.1, drastically increases the maximum bandwidth that HDMI 2.1 cables can transmit, without compromising image quality. DSC is only required for very high resolution, high refresh rate devices, and it may be many years before it is needed. HDMI 2.1支持这项技术，但并非所有支持HDMI 2.1的设备都支持这项技术，它极大地增加了HDMI 2.1电缆可以传输的最大带宽，而不会影响图像质量。DSC仅适用于非常高分辨率、高刷新率的设备，可能需要很多年后才能使用。 | 
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