🎤 麦克风测试（在线检测）Mic Test (Online Microphone Test)

使用说明与常见问题How-to & FAQ

「麦克风测试（在线检测）」是什么？What is the Mic Test (Online Microphone Test) tool?

在线检测麦克风是否正常：显示实时音量电平（dBFS）和峰值，列出设备名称、采样率和声道数，可切换多个麦克风、开关回声消除和降噪。声音只在本页分析，不录音、不上传。Check that your microphone works: see a live level meter (dBFS) with peak, the device name, sample rate and channels; switch between microphones and toggle echo cancellation and noise suppression. Audio is analysed on this page only - never recorded or uploaded.

如何使用「麦克风测试（在线检测）」？How do I use the Mic Test (Online Microphone Test) tool?

在「麦克风」中选择设备，按需开启回声消除和降噪，点「开始测试」并允许浏览器使用麦克风，对着它说话即可看到实时音量和峰值；测完点「停止」。声音只在本页分析，不会录制或上传。Choose a device under Microphone, toggle echo cancellation and noise suppression if you like, click "Start test" and allow microphone access, then speak to see the live level and peak. Click Stop when you're done. Audio is only analysed on this page, never recorded or uploaded.

没有反应怎么办？Nothing happens?

检查浏览器是否允许本站使用麦克风、系统设置中麦克风权限是否打开、以及是否选择了正确的输入设备。Check the site has microphone permission, the OS privacy setting allows it, and the right input device is selected.

电平多少算正常？What level is normal?

正常说话距离约 -30 到 -10 dBFS；持续接近 0 dBFS 会削波失真，低于 -50 基本听不到。Normal speech is about -30 to -10 dBFS; near 0 dBFS clips and below -50 is barely audible.

会录音吗？Is anything recorded?

不会。声音只用于计算音量，不保存也不上传。需要录音请用"在线录音"。No. Audio is only used to compute the level, never saved or uploaded. Use Voice Recorder to record.

有哪些选项可以调整？What options can I adjust?

「麦克风测试（在线检测）」的设置：可勾选：「回声消除和降噪」（默认勾选）。每次生成结果都按当前设置处理。Settings in the Mic Test (Online Microphone Test) — tick boxes: "Echo cancellation & noise suppression" (on by default). The result always uses the current settings.

「麦克风测试（在线检测）」免费吗？需要注册吗？Is the Mic Test (Online Microphone Test) free? Do I need an account?

「麦克风测试（在线检测）」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Mic Test (Online Microphone Test) is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.