苹果^(Apple)有AirPlay，谷歌^{(AirPlay and Google)}有Chromecast。但是微软^(Microsoft)有什么？Miracast当然，这是一个多平台标准——任何人都可以在他们构建的硬件和他们开发的软件中使用和实施的技术。在Windows 10中，微软比以往任何时候都更^(Microsoft)喜欢 Miracast^(Miracast)，而且比科技界的任何其他人都多。您不仅可以在启用Miracast的^(Miracast)电视或显示器上镜像^{(TV or monitor)}Windows 10屏幕，还可以使用Microsoft Edge网络浏览器将媒体无线投射到屏幕上Miracast 支持^{(Miracast support)}。让我们看看如何：

为了能够从Microsoft Edge投射媒体，您需要什么？

在继续学习本教程之前，请仔细检查您是否有以下可用项目：

• 具有内置Miracast 支持^{(Miracast support)}的电视或显示器^{(TV or monitor)}或...
• 像Microsoft 无线显示适配器^{(Microsoft Wireless Display Adapter)}这样的 Miracast 加密狗。加密狗需要插入带有HDMI 端口^{(HDMI port)}和有源USB 端口的^{(USB port)}电视或显示器^{(TV or monitor)}。TV/monitor计算机或设备^{(computer or device)}的距离不应超过 7 米或 23 英尺。如果显示器没有供电的USB 端口^{(USB port)}，您可以使用USB 智能手机充电器并将^{(USB smartphone charger and plug)}您的Microsoft 无线显示适配器^{(Microsoft Wireless Display Adapter)}插入其中，以便获得所需的电源。

• 具有Windows 10^{(Windows 10)}的Miracast设备，例如Surface Pro 3、Surface Pro 4或Surface Book。如果您的计算机安装了Windows 10，它应该默认支持Miracast。如果您已将旧 PC 升级到Windows 10，它可能支持也可能不支持Miracast。您必须检查其官方硬件^{(official hardware)}规格以确保它支持Miracast 技术^{(Miracast technology)}。

如果您拥有此列表中的所有内容，请继续执行以下步骤：

第 1 步^{(Step 1)}：打开包含要在Microsoft Edge中投射的媒体的网页^{(Microsoft Edge)}

您应该做的第一件事是启动Microsoft Edge。为此，请从任务栏或“开始”菜单中^{(Start Menu)}单击或点击^{(click or tap)}其快捷方式。

打开Microsoft Edge后，导航到包含要投射到无线屏幕的媒体的^{(wireless screen)}网页^{(web page)}。重要的是要承认在该网页上找到的媒体^{(web page)}不应受到侵犯^{(should not be protected against )}版权^{(copyright infringement)}的保护，否则您将无法投射它。例如，无法从Microsoft Edge无线投射^{(Microsoft Edge)}Netflix视频。另一方面，可以投射YouTube 或 Vimeo 视频。^{(YouTube or Vimeo videos)}

第 2 步^{(Step 2)}：连接到您的无线屏幕^{(wireless screen)}并从网页投射媒体^{(web page)}

在Edge完成加载包含您要投射的媒体的网页后，^{(web page)}单击或点击窗口^{(click or tap)}右上角^{(right corner)}的更多^(More)按钮。更多^(More)按钮由三个连续的点表示。

Microsoft Edge将打开其菜单。然后，单击或点击名为“将媒体投射到设备”^{("Cast media to device")}的选项。

您的 Windows 10计算机或设备^{(computer or device)}将开始搜索附近支持Miracast的可用无线屏幕。找到要将媒体投射到的电视或显示器后，^{(TV or monitor)}单击或点击^{(click or tap)}它。

不久之后，您的 Windows 10计算机或设备^{(computer or device)}与启用Miracast的显示器就会建立连接。

如果一切正常，您现在应该可以直接在电视或显示器^{(TV or monitor)}上看到您在Microsoft Edge中打开的^{(Microsoft Edge)}网页^{(web page)}中的媒体。

当您想停止从Microsoft Edge投射媒体时，只需单击或点击您之前打开的同一将媒体投射到设备对话框中的^{(Cast media to device)}断开连接按钮。^(Disconnect)

结论

通过让用户可以选择直接从Edge 网络浏览器^{(web browser)}将媒体投射到无线显示器上，微软^(Microsoft)与谷歌^(Google)的Chrome 浏览器^{(Chrome browser)}及其Chromecast 技术^{(Chromecast technology)}展开了竞争。不同的是，Windows 10和Microsoft Edge仅依赖于多平台标准Miracast，而Chromecast仅限于Google的生态系统。你怎么看？投射能力是否可能会说服您切换到Microsoft的Edge作为首选Web 浏览器^{(web browser)}？

Cast media from a web page in Microsoft Edge to a wireless display with Miracast

Apple has AirPlay and Google has Chromecast. But whаt does Microsoft have? Miracaѕt, of course, which is a mυltiplatform standard - a technology whiсh anybody can use and implement in thе hardware they build аnd in the software they develop. With Windows 10, Microѕoft embraced Miracast more than ever before, and more than anybody else in the tech world. Not only can you mirror your Windows 10 screen on a Miracast enabled TV or monitor, but you can also use the Microsoft Edge web browser to cast media wirelessly to a ѕcreen with Mіracast support. Let's see how:

What do you need in order to be able to cast media from Microsoft Edge?

Before you move forward with this tutorial, double check that you have the following items available:

• A TV or monitor with built-in Miracast support or...
• A miracast dongle like the Microsoft Wireless Display Adapter. The dongle needs to be plugged into a TV or monitor with both an HDMI port and a powered USB port. The TV/monitor should not be more than 7 meters or 23 feet away from your Windows 10 computer or device. If the display doesn't have a powered USB port, you can use a USB smartphone charger and plug in your Microsoft Wireless Display Adapter into it, so that it gets the power it needs.

• A Miracast enabled device with Windows 10 like the Surface Pro 3, Surface Pro 4 or the Surface Book. If your computer came with Windows 10 installed, it should support Miracast by default. If you've upgraded an old PC to Windows 10, it may or may not support Miracast. You must check its official hardware specifications to ensure that it has support for the Miracast technology.

If you have everything on this list, then go ahead and follow these steps:

Step 1: Open the webpage that contains the media you want to cast in Microsoft Edge

The first thing you should do is launch Microsoft Edge. To do that, click or tap on its shortcut from the taskbar or from the Start Menu.

Once Microsoft Edge is opened, navigate to the web page that has the media that you want to cast to your wireless screen. It's important to acknowledge the fact that the media found on that web page should not be protected against copyright infringement , otherwise you will not be able to cast it. For instance, Netflix videos cannot be cast wirelessly from Microsoft Edge. On the other hand, YouTube or Vimeo videos can be cast.

Step 2: Connect to your wireless screen and cast the media from the web page

After Edge finishes loading the web page that contains the media you want to cast, click or tap on the More button from the top right corner of the window. The More button is represented by three dots in a row.

Microsoft Edge will open its menu. Then, click or tap the option called "Cast media to device".

Your Windows 10 computer or device will start searching for nearby available wireless screens that support Miracast. When the TV or monitor to which you want to cast the media is found, click or tap on it.

It shouldn't be long until your Windows 10 computer or device and your Miracast enabled display establish a connection.

If everything worked out as it should have, you should now see the media from the web page you opened in Microsoft Edge directly on your TV or monitor.

When you want to stop casting media from Microsoft Edge, simply click or tap the Disconnect button from the same Cast media to device dialog you've opened earlier.

Conclusion

By giving users the option to cast media to wireless displays directly from the Edge web browser, Microsoft competes with Google's Chrome browser and its Chromecast technology. The difference is that Windows 10 and Microsoft Edge rely only on Miracast, which is a multiplatform standard, while Chromecast is limited to Google's ecosystem. What do you think? Is the casting ability a thing that might convince you to make the switch to Microsoft's Edge as your preferred web browser?

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