在这篇文章中，我们将了解如何控制Google Chrome上的视频和音频播放^{(video and audio playback)}。控制网络浏览器上的音频和视频播放是典型的，因为它通常是通过Netflix和Hulu访问媒体的网关。如今，我们看到大量的在线音频和视频内容在整个站点加载后会自动播放。这些音频和视频内容将自动播放，无需用户进行任何操作。此外，自动播放媒体可能会令人讨厌，因为它可能会破坏您的注意力或专注于当前任务。许多用户抱怨自动播放功能是一个非常分散注意力的元素，而且据说它会减慢网页的加载时间。

虽然许多用户认为自动播放令人讨厌，但有时当您加载某些网站时，自动播放也会带来好处。比如说^(Say)，您想查看来自本地新闻网站的新闻文章。在这种情况下，您对媒体内容的参与度很高。话虽如此，您播放文章页面上允许的视频的可能性很高。在这种情况下，将站点配置为自动播放视频将节省您的时间。同样的事情也适用于您观看YouTube频道，在这种情况下，自动播放非常有用。

浏览时将自动播放媒体的声音静音是一种很好的方法，因为您往往会忽略无声自动播放的视频。在这种情况下，自动播放有声媒体的相反情况可能会分散注意力。值得一提的是，谷歌现在通过^(Google)自动播放^(Autoplay)策略让用户对浏览器自动播放的行为有更大的控制权。浏览器正朝着更严格的自动播放策略发展，以增强用户体验并减少受限网络环境中的数据消耗。此外，自动播放^(Autoplay)策略让用户可以完全控制播放，并且适用于Windows桌面Chrome OS^{(Chrome OS)}上的 Chrome ，以及安卓^(Android)。

自动播放^(Autoplay)策略易于应用，以下步骤将指导您配置设置。

^{(Control Audio)}在Chrome上^(Chrome)控制音频和视频播放^{(Video Playback)}

在 Chrome 浏览器中转到Chrome://flags//autoplay-policy。

单击自动播放策略^{(Autoplay policy)}旁边的选项卡。这将显示下拉菜单中的一些可用选项列表。

以下是您可以选择的可用选项列表：

• 默认^(Default)- 选择此选项将启用自动播放。
• 不需要用户手势^{(No user gesture is required)}——在这种情况下，用户不需要与文档交互来自动播放视频或音频。
• 跨域 iFrame 需要用户手势^{(User gesture is required for cross-origin iFrames)}- 此选项与“不需要用户手势”相同，但需要用户交互才能自动播放来自其他网站的媒体内容。
• 需要文档用户激活^{(Document user activation is required)}- 在这种情况下，要自动播放媒体内容，用户需要先与文档交互。访问网页后，音频或视频将立即开始播放。

根据需要选择适当的选项后，重新启动Chrome 浏览器^{(Chrome Browser)}。

就这样。^{(That’s all.)}

阅读下一篇^{(Read next)}：阻止视频在网站上自动播放^{(Stop Videos from playing automatically on websites)}。

How to control Audio and Video Playback on Chrome browser

In this post, wе will see how to control the video and audio playback on Google Chrome. Controlling audio and video playback on the web browser is quintessential since it is often the gateway to accessing media via Netflix and Hulu. Nowadays we see enormous audio and video contents online that play automatically once the full site loads.These audio and video contents will autoplay without any action from the user. Moreover, autoplay media can be a nuisance as it may break your concentration or focus on a current task. Many users have complained autoplay feature as a quite distracting element, and also it is said to slow down the loading time of your web page.

While many users find autoplay as a nuisance, there is a time wherein autoplay can be beneficial too when you load some sites. Say, you want to check on news articles from a local news website. Your engagement with media content is high in this case. That being said, the probability of you playing a video allowed on article pages is high. In this case, configuring the site to autoplay video will save your time. The same thing applies to you watching YouTube channel, and autoplay is quite beneficial in this case.

Muting the sound of autoplay media is quite a  good way while browsing as you tend to ignore the videos that play silently and automatically. The reverse case of auto-playing media with sound, in this case, can be distracting. It is worth mentioning that, Google now gives the user to have greater control over the behavior of browsers autoplay through Autoplay policies.  The browsers are moving towards stricter autoplay policies to enhance the user experience and reduce data consumption in the constrained network environment. Additionally, Autoplay policy provides the user full control over the playback and is available for Chrome on Windows desktop Chrome OS, and Android.

Autoplay policies are simple to apply, and the following steps will guide you to configure the setting.

Control Audio & Video Playback on Chrome

Go to Chrome://flags//autoplay-policy in the Chrome browser.

Click on the tab next to Autoplay policy. This will show some list of available options from the drop-down menu.

Following are the list of options available that you can choose:

• Default – Selecting this option will enable the autoplay.
• No user gesture is required – In this case, Users do not need to interact with the document to autoplay the video or audio.
• User gesture is required for cross-origin iFrames –  This option is same as “ No user gesture is required “ but it needs user interaction to autoplay the media content from other websites.
• Document user activation is required – In this case, to autoplay the media content, users need to interact with the document first. The audio or video will start to play as soon as you visit the web page.

Once you select the appropriate options as per your needs, restart the Chrome Browser.

That’s all.

Read next: Stop Videos from playing automatically on websites.

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