一小时后你接到一个重要电话。一切就绪，穿着西装、打着领带、穿着睡裤坐在电脑前。您从相机、耳机和麦克风检查开始尽职调查，但您注意到回声。
中断可能会让您处于恐慌模式，但不要担心；我们将在接下来的几分钟内帮助您解决麦克风回声问题。
在解决回声问题之前，我们先来谈谈一些可能导致麦克风回声效应的常见问题。
为什么你的麦克风有回声？
当声音从扬声器中出来并通过麦克风作为输入反馈时，就会产生回声，从而产生回声。以下硬件和软件问题可能会导致回声：
- 将麦克风和扬声器放置得非常靠近
- 错误配置的声音设置
- 互联网连接不佳
如何在 Windows 上修复麦克风回声
如果您在Windows计算机上收到回声，以下是一些解决方法。
将麦克风静音(Mute the Microphone)
如果您正在进行语音聊天并且一直听到您的声音或背景噪音，最好在您不说话时将麦克风静音。
静音将防止您的回声问题干扰会议。如果您的问题是背景噪音，您可以消除噪音源，然后取消麦克风静音以查看问题是否仍然存在。
重新连接耳机(Reconnect the Headset)
当耳机未正确连接到计算机时，可能会出现耳机(Headset)回声。断开耳机将打破音频反馈回路并立即停止回声。重新插入耳机，看看是否可以解决问题。
降低扬声器音量(Lower the Speaker Volume)
如果您将音量设置得太高，您的麦克风将接收扬声器的音频输出。然后，麦克风会将声音再次输入扬声器并创建音频反馈回路。
当有很多背景噪音时，也会发生同样的情况。降低扬声器的音量以修复回声。
更改麦克风的位置(Change the Mic’s Placement)
如果您使用的是内置麦克风，则无法选择更改麦克风的位置。但是，如果您有外接麦克风，则应将其放置在远离计算机扬声器的位置以消除回声。
外部麦克风可以是单向、双向或全向的。理想的放置位置取决于您使用的麦克风类型。从本质上讲，您要确保不要将音频设备（例如扬声器或其他会发出背景噪音的设备）放在麦克风可以拾取声音的方向。
例如，如果您使用双向麦克风，请不要将扬声器放在麦克风的正面或背面。
互联网连接不佳(Poor Internet Connection)
回声问题也可能是由连接不良引起的。例如，如果通话中的一个人连接不稳定，他们的网络将传输数据不一致，导致软件呈现口吃或回声。
您通常可以通过查看视频质量来检测互联网连接不佳是否是罪魁祸首。由于您的耳机和网络摄像头同时出现故障的可能性很低，因此音频和视频质量低下可以确认您的互联网连接不佳(poor internet connection)。
关闭“收听此设备(Turn Off the Option to ‘Listen to This Device)”选项
当您想通过串联端口连接另一个音频设备将音频直接馈送到扬声器(feed audio into the speakers)时，“收听此设备”选项会派上用场。这将允许声音直接从系统内部而不是外部扬声器传输。
但是，该功能有时会引起回声，因此您可能需要尝试从“控制面板(Control Panel)”或“设置”(Settings)应用程序中禁用它，看看是否有帮助。
- 按Win + I启动设置(Settings)应用程序。导航到系统(System)>声音(Sound)>更多声音设置(More sound settings)。
- 你会看到一个小窗口弹出。切换到录制(Recording)选项卡。从列表中右键单击您的录制设备，然后选择Properties。
- 在设备属性窗口中，切换到监听(Listen)选项卡。您会在“收听此设备(Listen to this device)”选项旁边看到一个复选框。取消选中该框并选择OK。
禁用麦克风增强(Disable Microphone Boost)
Windows 可让您控制麦克风的灵敏度(microphone’s sensitivity)并放大输入(amplify the input)，因此麦克风可以拾取更多声音。类似于Mac(Mac)上的环境降噪功能。您可以使用声音设置中的麦克风(Microphone)级别和麦克风增强(Microphone Boost)选项来执行此操作。
- 按Win + I打开设置并转到系统(System)>声音(Sound)>更多声音设置(More sound settings)。
- 切换到“录音”(Recording)选项卡，右键单击您的麦克风，然后选择“属性(Properties)” 。
- 切换到Levels选项卡并将Microphone Boost设置为 0。选择OK退出窗口。
禁用声音增强(Disable Sound Enhancements)
Windows 附带一组内置音频功能，可以提高计算机的播放质量。在某些情况下，增强可能会导致回声。如果您启用了音频增强功能，请尝试禁用它们并查看是否可以解决回声问题。
- 按Win + I 启动“设置”(Settings)应用程序，然后转到“系统(System)” > “声音(Sound)” > “更多声音设置”(More sound settings)。
- 切换到录制(Recording)选项卡，右键单击活动录制设备，然后选择属性(Properties)。
- 在设备属性窗口中，切换到增强(Enhancements)选项卡，然后取消选中所有框。选择确定(OK)退出。
更新音频驱动程序(Update Audio Drivers)
计算机上过时的驱动程序(driver on your computer)可能会导致回声问题，但更新驱动程序(updating the drivers)可以轻松解决问题。
- 按Win + R，键入devmgmt.msc，然后按Enter启动设备管理器。
- 查找并展开名为“声音、视频和游戏控制器(Sound, video, and game controllers)”的类别。
- 右键单击(Right-click)声音设备并选择更新驱动程序(Update driver)。
按照更新向导上的屏幕说明更新驱动程序。
久违了，回声
希望您使用这些修复程序之一来修复Windows PC 上的回声问题。不幸的是，Windows计算机经常遇到音频问题，有时音频会完全停止工作(audio stops working altogether)。但是，在大多数情况下，修复很简单。
How to Fix Mic Echo Issues on Windows
You’ve got an important call in one hour. You’re all set, sitting in front of your computer in a suit, tie, and pajamа рants. You start your due diligence with a camera, headѕet, and mic chеck, but you notice an echo.
The disruption might put you in panic mode, but don’t worry; we will help you fix mic echo issues in the next few minutes.
Before troubleshooting the echo problem, let’s talk about some common issues that can cause a mic echo effect.
Why Does Your Microphone Echo?
An echo is caused when the voice comes out from the speakers and is fed back as input through the mic, causing an echo. The following hardware and software problems can cause an echo:
- Placing the mic and speakers very close to each other
- Incorrectly configured sound settings
- Poor internet connection
How to Fix Mic Echo on Windows
If you’re getting an echoing sound on your Windows computer, the following are some ways to fix it.
Mute the Microphone
If you’re in the middle of a voice chat and you keep hearing your voice or the background noise, it’s best to mute the microphone when you’re not speaking.
Muting will keep your echoing problem from disrupting the meeting. If the problem in your case is the background noise, you can eliminate the source of the noise and then unmute the mic to see if the issue persists.
Reconnect the Headset
Headset echo can occur when it’s not connected correctly to the computer. Disconnecting the headset will break the audio feedback loop and immediately stop the echoing sound. Plug in the headset again and see if it resolves the problem.
Lower the Speaker Volume
Your mic will pick up on the audio output from speakers if you’ve set the volume too high. Then, the mic will feed the sound into your speakers again and create an audio feedback loop.
The same could happen when there’s a lot of background noise. Lower the volume on your speakers to fix the echo.
Change the Mic’s Placement
Changing the mic’s placement isn’t an option if you’re using a built-in mic. However, if you have an external mic, you should place it away from the computer speakers to eliminate echo.
An external mic can be unidirectional, bidirectional, or omnidirectional. The ideal placement depends on the type of mic you use. Essentially, you want to ensure that you don’t put an audio device such as your speakers or other devices that emit background noise in a direction from which the mic can pick up the sound.
For instance, if you use a bidirectional mic, don’t place your speakers at the front or rear side of the mic.
Poor Internet Connection
The echo issue could also be caused by a poor connection. For example, if one of the people on the call has an unstable connection, their network will transmit data inconsistently, causing the software to render stuttering or echoing sounds.
You can usually detect if a poor internet connection is the culprit by looking at your video quality. Since the chances of your headset and webcam being faulty together are low, experiencing low audio and video quality could confirm that you have a poor internet connection.
Turn Off the Option to ‘Listen to This Device‘
The “Listen to this device” option comes in handy when you want to feed audio into the speakers directly from another audio device by connecting it through an in-line port. This will allow the sound to be transmitted directly from within the system rather than external speakers.
However, the feature can sometimes cause an echo, so you might want to try disabling it from the Control Panel or the Settings app and see if that helps.
- Press Win + I to launch the Settings app. Navigate to System > Sound > More sound settings.
- You’ll see a small window pop up. Switch to the Recording tab. Right-click on your recording device from the list and select Properties.
- In the device properties window, switch to the Listen tab. You’ll see a checkbox next to the Listen to this device option. Uncheck that box and select OK.
Disable Microphone Boost
Windows lets you control the microphone’s sensitivity and amplify the input, so the mic picks up more sound. It’s similar to the ambient noise reduction function on Mac. You can do this using the Microphone level and Microphone Boost option in sound settings.
- Press Win + I to open Settings and go to System > Sound > More sound settings.
- Switch to the Recording tab, right-click on your mic, and select Properties.
- Switch to the Levels tab and set Microphone Boost to 0. Select OK to exit the window.
Disable Sound Enhancements
Windows comes with a set of built-in audio functions that can enhance your computer’s playback quality. In some cases, enhancements can result in an echo. If you’ve enabled audio enhancements, try disabling them and see if that fixes the echo problem.
- Press Win + I to launch the Settings app and go to System > Sound > More sound settings.
- Switch to the Recording tab, right-click on the active recording device, and select Properties.
- In the device properties window, switch to the Enhancements tab, and uncheck all boxes. Select OK to exit.
Update Audio Drivers
An outdated driver on your computer can potentially cause an echo issue, but updating the drivers can easily fix the problem.
- Press Win + R, type devmgmt.msc, and press Enter to launch the Device Manager.
- Look for and expand the category named Sound, video, and game controllers.
- Right-click on the sound device and select Update driver.
Follow the on-screen instructions on the update wizard to update your drivers.
So Long, Echo
Hopefully, you were to fix the echo issue on your Windows PC using one of these fixes. Unfortunately, Windows computers often run into audio problems, and sometimes the audio stops working altogether. However, in most cases, the fixes are simple.
