Online Microphone Test
Test Your Microphone Online
Check microphone access, input level, waveform, clipping, and recording quality directly in your browser.
Your microphone audio stays in this browser. Nothing is uploaded by this plugin.
Live input level
Start the test and speak normallyLive waveform
Microphone details
Recording
00:00Recent tests
Test Your Microphone Online
The Online Microphone Test checks whether your browser can access a microphone, confirms that the selected device is receiving sound, and provides live feedback while you speak.
After permission is granted, the tool displays a real-time waveform, relative input meter, peak level, average level, microphone details, and browser audio-processing settings. You can also record a sample for up to 30 seconds and play it back locally to hear how the microphone sounds.
The plugin processes microphone input inside your browser. It does not upload the audio or provide a recording download.
How to Use the Online Microphone Test
Choose Your Microphone
Use the Microphone device menu to select an available input. This may include a laptop microphone, USB microphone, webcam microphone, Bluetooth headset, or audio interface.
Device names may not appear until you grant microphone permission. Browsers can restrict device labels before access is approved for privacy reasons. The Refresh devices button updates the list when you connect or disconnect hardware.
Before starting, choose whether to request these browser-processing options:
| Setting | What it requests |
|---|---|
| Echo cancellation | Reduction of sound returning from speakers |
| Noise suppression | Reduction of steady background noise |
| Automatic gain control | Automatic adjustment of input level |
These settings are requests sent to the browser. The microphone details section later shows whether each setting was reported as enabled, disabled, or not reported.
Start the Test
- Select your microphone.
- Choose the processing settings.
- Click Start microphone test.
- Select Allow when the browser requests microphone access.
- Speak normally while watching the meter and waveform.
- Click Stop test when finished.
Browser microphone access normally requires a secure HTTPS page or localhost. The browser uses getUserMedia() to request permission and provide the page with an audio stream.
The Permission Status and Connection Status panels show whether access is being requested, granted, denied, connected, or disconnected.
Understanding the Microphone Results
Live Input Level
The live meter shows the relative strength of the signal received from the microphone. Its scale runs from 0% to 100%, with a marked recommended speaking area.
This percentage is not a calibrated decibel or dB SPL measurement. It is a browser-based representation derived from the amplitude of the incoming digital audio samples.
A higher reading means the captured signal is stronger. It does not automatically mean the microphone sounds better.
Peak Level vs. Average Level
| Result | What it means | Why it matters |
|---|---|---|
| Peak level | Highest sample amplitude observed during the test | Reveals brief loud moments that may clip |
| Average level | Average of the live meter readings | Represents your typical input strength |
The peak level remains at the highest detected value until the test is restarted or reset. The average changes as more audio frames are analyzed.
For a useful comparison between microphones, keep your speaking distance, voice level, and test duration similar.
Input Status Messages
The tool interprets the live signal using internal relative thresholds:
- No clear microphone input detected: the signal has remained extremely low for a sustained period.
- Input level is low: sound is present, but its measured RMS amplitude remains below the plugin’s preferred range.
- Input level looks good: the signal is above the low-input threshold without reaching the clipping threshold.
- Input may be clipping: at least one sample has reached approximately 92% of the maximum digital amplitude.
A clipping warning indicates that the signal may distort. Move farther from the microphone or reduce the input gain in your operating system, audio interface, or microphone software.
These labels are practical diagnostics, not calibrated studio measurements.
Live Waveform
The waveform displays changes in audio amplitude over time. When you speak, the line should move around its center position.
A nearly flat line can indicate silence, a muted microphone, the wrong input device, denied permission, or very low system gain.
The waveform does not show pitch, frequency response, a frequency spectrum, background-noise score, or voice quality. Competing microphone tests often use waveform movement as their main working/not-working indicator, but waveform movement alone cannot determine overall recording quality.
Record and Hear Your Microphone
Start the microphone test before selecting Record sample. The recording timer begins at 00:00 and automatically stops at 30 seconds.
After recording, use the audio player to hear the captured sample. The playback-volume slider affects only the recording playback; it does not change microphone input gain.
Listen for:
- Clear and understandable speech
- Background hum or fan noise
- Popping on consonants
- Excessive room echo
- Dropouts or interruptions
- Audible distortion on louder words
The recording is created through the browser’s MediaRecorder API, which records the active media stream and makes it available for local playback.
Use Clear recording to remove the current temporary sample. The plugin does not include an audio-download button.
Understanding Microphone Details
The details panel shows information exposed by the active browser audio track.
| Output | Meaning |
|---|---|
| Device name | Name reported for the selected microphone |
| Sample rate | Number of digital audio samples captured per second |
| Channels | Reported number of audio channels |
| Echo cancellation | Whether the browser reports this processing as active |
| Noise suppression | Whether the browser reports this processing as active |
| Automatic gain control | Whether the browser reports this processing as active |
A result of Not reported does not mean the feature is broken. It means the browser, operating system, driver, or device did not expose that value.
Troubleshooting Microphone Problems
Permission Denied
Select the permission icon near the browser address bar and change microphone access to Allow. In Chrome, microphone permissions and the default input can also be managed under Settings, Privacy and security, Site settings, and Microphone.
Also confirm that your operating system allows the browser to use the microphone.
No Signal or Low Input
Check that:
- The correct microphone is selected
- A headset or hardware mute switch is off
- The operating-system input level is high enough
- Another application is not blocking the device
- The microphone is close enough to your voice
- USB or audio-interface cables are connected
Refresh the device list after connecting new hardware.
Clipping or Distortion
Move slightly farther from the microphone and reduce input gain. Do not judge clipping from average level alone; a brief loud consonant can produce a high peak even when the average appears moderate.
Privacy and Limitations
The plugin processes the live signal and temporary recording locally in the browser. Session history stores only text results such as the device name, peak level, average level, and test time.
The tool does not measure calibrated decibels, microphone frequency response, latency, distortion percentage, pitch, speech intelligibility, or background-noise level. It does not transcribe speech or assign an audio-quality score.
Common Microphone Testing Mistakes
Avoid comparing two devices while changing your distance or speaking volume. That produces an unreliable comparison.
Do not assume a moving waveform means the recording is clear. Always use sample playback to check the actual sound.
Do not treat a 50% meter result as a fixed real-world loudness level. Browser input percentages vary with the microphone, driver, operating system, hardware gain, and processing settings.
Frequently Asked Questions
How do I test my microphone online?
Select your microphone, click Start microphone test, allow browser access, and speak normally. The live waveform and level meter should respond when the microphone receives sound.
How can I hear what my microphone sounds like?
Start the test, select Record sample, speak, and stop the recording. Use the local audio player to hear the result and adjust playback volume.
Why is my microphone permission denied?
The site may be blocked in browser permissions, or the operating system may prevent the browser from accessing the microphone. Allow access for the site, check system privacy settings, and reload the page.
Can I select a different microphone?
Yes. Choose another device from the Microphone device menu. Use Refresh devices if a newly connected headset or USB microphone does not appear.
Why is my microphone input too low?
The microphone may be too far away, muted, incorrectly selected, or configured with low system input gain. Move closer, check hardware controls, and review your operating-system microphone settings.
How do I know if my microphone is clipping?
The tool shows “Input may be clipping” when the digital signal approaches its maximum amplitude. Reduce gain or increase your distance from the microphone.
What is the difference between peak and average level?
Peak level records the strongest moment detected during the test. Average level represents the typical relative input strength across the active test.
Is the microphone test private?
Yes. This plugin processes audio in the browser and creates recordings for local playback. It does not upload microphone audio.
Does this microphone test measure decibels?
No. The meter displays relative browser input percentages, not calibrated dB or dB SPL values. Measuring real sound-pressure level requires calibrated hardware and software.