播放视频时，音频和视频会同步在一起，为您提供最佳体验。但有时，音频会滞后或领先于视频。这被称为音频和视频之间的同步问题。Windows 11/10上安装的任何媒体播放器和 Web 浏览器都可能会遇到此问题。甚至有时在玩视频游戏时也会出现问题。

为什么我的音频和视频不同步？

原因可能很多。它可能是损坏的媒体文件、过时的图形驱动程序、更改的Windows设置，或者您的媒体播放器可能需要修复。

修复^{(Fix Audio)}Windows PC上的音频和视频^(Video)不同步

要解决此问题，我们建议您尝试以下解决方案：

1. 更新您的图形驱动程序
2. 更改设备的音频格式
3. 禁用“允许^(Allow)应用程序控制此设备”选项
4. 关闭 Hyper-V
5. 禁用快速启动
6. 丢帧^(Drop)并启用DirectX 视频加速^{(DirectX Video Acceleration)}（仅适用于Windows Media Player）

让我们看看你是怎么做到的。

1]更新您的图形驱动程序

由于图形驱动程序损坏或过时，您可能会在Windows计算机上遇到视频同步问题。要解决此问题，请更新您的图形驱动程序^{(update your graphics driver)}。

2]更改^(Change)设备的音频格式

更改设备的音频格式是解决Windows^(Windows)系统上的音频和视频同步问题的方法之一。

以下说明将指导您如何执行此操作：

1. 启动控制面板。
2. 在查看^{(View by)}方式中选择大图标^{(Large icons)}。
3. 单击声音^(Sound)。
4. 在播放^(Playback)选项卡下选择您的音频设备。
5. 单击属性^(Properties)。
6. 单击高级^(Advanced)选项卡。
7. 从默认格式^{(Default Format)}部分下的下拉菜单中选择DVD 质量。^{(DVD Quality)}
8. 单击应用^(Apply)，然后单击确定以保存所做的更改。

这应该可以解决Windows 操作系统^{(Windows OS)}上视频的音频同步问题。

3]禁用^(Disable)“允许应用程序控制此设备”选项

如果上述方法无法解决您设备上的音视频同步问题，我们建议您禁用“允许应用程序控制此设备^{(Allow applications to take control over this device)}”选项。您将在扬声器的高级^(Advanced)设置下找到此选项。要打开扬声器的高级^(Advanced)设置，请按照上述前六个步骤操作。

4]关闭Hyper-V

由于Hyper-V服务在后台运行，一些用户遇到了这个问题。如果虚拟机在后台运行，它会持续使用CPU内核，这会影响系统的性能。因此^(Hence)，关闭 Hyper-V^{(turning off the Hyper-V)}可能会解决此问题。

5]禁用快速启动

根据部分受影响用户的反馈，在Windows 10中^{(Windows 10)}禁用快速启动^{(disabling the Fast Startup)}可以解决问题。你也可以试试。快速启动^{(Fast Startup)}比正常模式更快地启动计算机。尽管它是一项有用的功能，可以减少Windows 10^{(Windows 10)}计算机的启动时间，但有时它可能会产生问题。

6]丢帧^(Drop)并启用DirectX 视频加速^{(DirectX Video Acceleration)}（仅适用于Windows Media Player）

如果问题出现在Windows Media Player中，丢弃帧并启用DirectX 视频加速^{(DirectX Video Acceleration)}可能会解决它。

执行此操作的步骤如下：

1. 启动Windows 媒体播放器^{(Windows Media Player)}。
2. 转到“Tools > Options”。
3. 单击性能^{(Performance)}选项卡。
4. 在视频播放部分下，启用“^{(Video Playback)}丢帧以保持音频和视频同步^{(Drop frames to keep audio and video synchronized)}”和“为 WMV 文件打开 DirectX 视频加速^{(Turn on DirectX Video Acceleration for WMV files)}”选项旁边的复选框。
5. 单击应用^{(Click Apply)}，然后单击确定以保存设置。

关闭Windows Media Player并再次启动它。

这应该会有所帮助。

相关^(Related)：修复在 Windows 上自动播放和暂停音频和视频。^{(Audio and Video play and pause automatically)}

How do I fix Audio and Video out of sync on Windows 11/10?

When yоu play a video, both audio and video sync together to deliver you the best experience. But sometimeѕ, audio lags or leads the video. This is known as the syncing issue between audio and νideo. Yoυ may experience this problem with any media player and wеb browѕer installed on Windows 11/10. Even sometimes the issue occurs while playing video games.

Why is my audio and video out of sync?

The reasons can be many. It could be a corrupted media file, outdated graphics drivers, changed Windows settings, or maybe your media player needs to be repaired.

Fix Audio and Video out of sync on Windows PC

To fix this issue, we suggest you try the following solutions:

1. Update your graphics drivers
2. Change the audio format of your device
3. Disable the “Allow applications to take control of this device” option
4. Turn off Hyper-V
5. Disable Fast Startup
6. Drop frames and enable DirectX Video Acceleration (only for Windows Media Player)

Let’s see how you can do it.

1] Update your graphics driver

You may be experiencing video syncing issues on your Windows computer due to the corrupted or outdated graphics driver. To fix this issue, update your graphics driver.

2] Change the audio format of your device

Changing the audio format of the device is one of the ways to troubleshoot the audio and video syncing issues on Windows systems.

The following instructions will guide you on how to do that:

1. Launch Control Panel.
2. Select Large icons in the View by mode.
3. Click Sound.
4. Select your audio device under the Playback tab.
5. Click Properties.
6. Click on the Advanced tab.
7. Select DVD Quality from the drop-down menu under the Default Format section.
8. Click Apply and then OK to save the changes you made.

This should fix the audio syncing issues with video on Windows OS.

3] Disable the “Allow applications to take control over this device” option

If the above method does not fix the audio and video syncing issue on your device, we suggest you disable the “Allow applications to take control over this device” option. You will find this option under the Advanced settings of your speaker. To open your speaker’s Advanced settings, follow the first six steps described above.

4] Turn off Hyper-V

Some users were experiencing this issue because of the Hyper-V service running in the background. If a virtual machine runs in the background, it continuously uses the CPU cores, which affects the performance of your system. Hence, turning off the Hyper-V may fix the issue.

5] Disable Fast Startup

According to the feedback of some affected users, disabling the Fast Startup in Windows 10 can fix the issue. You can also try it. The Fast Startup boots a computer faster than the normal mode. Though it is a useful feature that reduces the boot-up time in Windows 10 computers, sometimes, it may create issues.

6] Drop frames and enable DirectX Video Acceleration (only for Windows Media Player)

If the issue is occurring in Windows Media Player, dropping the frames and enabling the DirectX Video Acceleration may fix it.

The steps to do this are as follows:

1. Launch Windows Media Player.
2. Go to “Tools > Options.”
3. Click on the Performance tab.
4. Under the Video Playback section, enable the checkboxes next to the “Drop frames to keep audio and video synchronized” and “Turn on DirectX Video Acceleration for WMV files” options.
5. Click Apply and then OK to save the settings.

Close the Windows Media Player and launch it again.

This should help.

Related: Fix Audio and Video play and pause automatically on Windows.

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