实用工具
Microphone Test — 文档
Check microphone input level, choose an available device, and record a sample for playback. Audio stays in your browser and is never uploaded.
工作原理
Check microphone input level, choose an available device, and record a sample for playback. Audio stays in your browser and is never uploaded.
在条件允许时,此工具会直接在浏览器中执行所需操作。
使用方法
- 输入表单要求的值。进行网络检查时,请使用您有权检查的公开域名、网址或主机。
- 在条件允许时,此工具会直接在浏览器中执行所需操作。
- 结果会显示在工作区中。依赖结果前,请先查看警告和限制。
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Webcam TestPreview your webcam, check its reported video resolution, and save a snapshot as PNG. Camera frames stay in your browser and are never uploaded.Speaker TestPlay separate left- and right-channel tones or a frequency sweep to check speaker output. Audio is generated locally in your browser.Keyboard TesterPress keys to highlight them on a visual keyboard layout and check which key events reach your browser. Keystrokes are not saved or uploaded.