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Check your microphone status online with real-time volume waveforms. Supports device switching and test sound playback to ensure your audio input is working perfectly.
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Is your mic suddenly not working? Our online microphone tester helps you quickly diagnose your mic's status, visualizing audio input strength in real time. It supports multi-device switching and test sound playback to ensure your calls, meetings, or recordings go smoothly. This tool accesses the audio stream via browser microphone permissions, converts sound pressure into electrical signals, and provides intuitive feedback on sound pickup through dynamic waveforms and volume bars.
Q: Why is there no sound response during the mic test?
A: Check if your browser's microphone permissions are enabled, and ensure the microphone is set as the default input device in your system settings.
Q: What audio formats does the testing tool support?
A: Based on the WebRTC standard, this tool supports raw PCM audio stream input without needing a specific format. It is compatible with the vast majority of USB and built-in microphones.
Please ensure you are using this tool in a secure environment and avoid granting microphone permissions to unknown websites. Be mindful of background noise interference during testing; wearing headphones is recommended to prevent audio feedback loops (howling). Browser privacy settings may restrict microphone access; for example, Safari requires you to manually allow site recording permissions.
We recommend conducting baseline tests in a quiet environment: normal speaking volume should fluctuate between -30dB and -10dB. Sustained peaks exceeding -3dB may cause clipping distortion. Typical input/output example: Using the standard test phrase "Hello, microphone test 123," clear pronunciation should display a continuous, smooth waveform without sudden spikes or breaks. If the waveform is intermittent or the amplitude is too low, check your microphone connection or gain settings.
