Mic Echo Test: Online Mic Test for Echo & Feedback
Click I'm Wearing Headphones — Enable on this mic echo test and adjust Echo Delay to hear your voice as callers do. The record and play back your mic needs a quick permission prompt the first time you run it, then gives you a live read-out in seconds.
Before your next call, run a microphone echo test to find out whether your voice is coming back to people. This mic echo test listens to your audio input in real-time, flags room reverb and audio feedback, and gives you a clear verdict on whether the echo starts on your side, with no download and no sign-up. It works with a headset or a desk mic, so you can check your sound before video calls, podcasts or streaming.
How to Run a Microphone Echo Test in Your Browser
Whether you plugged in a new mic or keep hearing complaints in meetings, this free online echo test takes under a minute. The microphone echo test compares what your mic hears with a delayed copy of the same sound. To test your mic: The microphone level meter needs a quick permission prompt the first time you run it, then gives you a live read-out in seconds.
- Open this page in Chrome, Firefox or another current browser and press the start button.
- Click Allow when asked to use the microphone.
- Speak for about ten seconds while the real-time meter moves.
- Read the echo and feedback results, then pick another input from the device list if you have more than one mic.
Allow Microphone Access and Speak Normally
The tool cannot hear anything until you grant microphone permission. If you clicked Block by mistake, re-enable it from the padlock icon beside the address bar and reload. Then talk at a conversational volume, since shouting or whispering changes how loud any echo seems.
Read the Waveform and Echo Visualizer
As you talk, the waveform display traces your input level as a moving line, like an oscilloscope. Below it, the echo visualizer compares your signal with a delayed copy of itself. A flat line means nothing is coming back. A spike that follows each word is a repeated signal, the signature of an echo loop. A spectrum analyzer splits the same sound by frequency so you can see where the room adds energy.
Try Echo Playback and Record a Test Clip
Put on headphones, then turn on echo playback to hear yourself returned after a set delay. Slide the delay from 80 ms to 400 ms and raise the wet mix (the echoed copy) against the dry signal (your direct sound) to learn what each setting sounds like. To prove a fix worked, record a short clip before and after the change; comparing two audio clips back to back is also the easiest way to choose between two mics. You can download either clip, and it stays on your device.
What an Echo Detector Reveals About Your Setup
A free echo test is only useful if you can read what it reports: true echo, feedback, room sound and noise in the signal itself.
Echo vs Room Reverb
Echo is a distinct repeat of your voice. Reverb is a smear of many short reflections off hard surfaces. The dividing line is time, and a reflection's delay is the round trip to the surface and back:
$$t = \frac{2d}{343}$$
Here \(d\) is the distance to the reflecting surface in metres, and 343 m/s is the speed of sound in air at 20 °C. Say your desk faces a wall 2.6 m away: \(t = 5.2 \div 343 = 0.0152\) s, or 15.2 ms. That is well under the roughly 50 ms point where the ear starts to hear separate repeats, so the test reads it as reverb with a longer reverb tail, not echo. A back wall 21 m away, as in a school hall, gives 122.4 ms, which you would hear as a separate echo. So in a home office, a distinct repeat almost always comes from the call path.
Audio Feedback Loop and Feedback Risk
A feedback loop forms when your mic picks up your own speakers and sends that sound around again. Each pass gets louder until it turns into a squeal or a howl. The feedback detector watches for a tone that keeps building and warns you before anyone on the call hears it.
Noise Floor, Signal Clarity and Device Details
The noise floor is the hiss and hum the mic records while you are silent. A fan or traffic raises it, and background noise close to your speech level costs intelligibility. Signal clarity compares your direct voice with everything else captured. The tool also reads what the device reports:
| Reading | What it tells you |
|---|---|
| Echo cancellation | Whether the browser's own echo filter is on for this input |
| Noise suppression | Whether steady noise such as a fan is filtered out |
| Automatic gain control | Whether your level is raised or lowered for you (some apps call it auto gain control) |
| Sample rate | Samples per second, usually 44,100 or 48,000 Hz |
| Sample size | Bits per sample, usually 16 or 24 |
| Audio channels | 1 for mono, 2 for stereo |
| Estimated latency | Time between a sound and its capture; lower is better for live calls |
Hearing Range and Frequency Tones
Some echo tools also play test tones from low to high frequency through your speakers or headphones. A tone you cannot hear marks the limit of your hearing or of the speaker, and a tone that rings on after it stops means the room is reflecting sound. Hearing narrows with age, so a missing high frequency is normal.
A Garage Lesson Room Through the Echo and Feedback Detector
I teach guitar over video from a converted single-car garage, 3.05 m wide and 6.42 m long, and two students in one week said my voice had a "slap" on it. The question I need answered is simple: is that slap coming from my room, or from my setup? The answer turned out to be my setup, not the room, and the numbers show why.
First run: studio monitors on at lesson volume, laptop mic open. I speak at teaching volume for ten seconds. The echo visualizer throws a spike a beat after every word, and the feedback reading climbs whenever I pause, which is the pattern of a loop from my own speakers back into the mic.
Before blaming the walls, I work out the room's longest possible reflection. My desk sits 0.55 m from the back wall, so the far wall is 5.87 m away:
| Surface | Distance | Round trip | Delay (2d ÷ 343) |
|---|---|---|---|
| Side wall | 3.05 m | 6.10 m | 17.8 ms |
| Far wall | 5.87 m | 11.74 m | 34.2 ms |
| Needed for a separate echo | 8.58 m | 17.15 m | 50.0 ms |
Solving 2d ÷ 343 = 0.050 s gives 8.58 m, and no surface in a 6.42 m garage is that far away. So the room cannot produce a distinct repeat on its own. The slap has to be the monitors.
Second run: monitors off, closed-back headphones on, echo cancellation left on in the lesson app. The spikes disappear. What remains is a faint smear after hard consonants, and this is the part a quick search won't tell you. The two bare side walls are parallel and 3.05 m apart, so a clap bounces between them every 17.8 ms, about 56 times a second. Each bounce is under the 50 ms line, so the detector rightly calls it reverb, yet the train of bounces can still sound like a metallic ring. In a narrow room with parallel walls, a "reverb only" verdict is not the whole story.
My next step is a specific one: hang a 1.8 m moving blanket on the side wall I face, then rerun the test and compare the two recorded clips. Of every input here, speaker routing matters most; the walls only decide how clean the voice sounds once the loop is gone.
Fixing Echo After a Mic Test
If the echo test online shows a loop or strong reverb on your side, work through these fixes in order and retest after each. Most cut speaker bleed, sound travelling from your speakers into the mic, and each also lifts audio quality.
Switch to Headphones and Lower Speaker Volume
Headphones or earphones remove the path from speaker to mic completely, which is why they fix most echo at once. If you have to use speakers, as on many laptop calls, lower the speaker volume until the echo result clears.
Turn On Acoustic Echo Cancellation in Your App
Acoustic echo cancellation subtracts what is played out loud from what the mic hears. Check the audio settings in Zoom, Microsoft Teams, Google Meet and Discord, and keep noise cancellation on unless you are capturing music, where these filters dull the sound.
Use a Directional Microphone and Soft Furnishings
A built-in microphone is usually omnidirectional, so it hears the room and whatever is playing as well as you. A directional microphone with a cardioid pattern hears mostly what is in front of it, so point its back away from the sound source. Rugs, curtains, a full bookshelf and acoustic panels absorb acoustic reflection from bare walls, and better room acoustics make you sound closer and cleaner.
Disable Input Monitoring and Sound Effects
Input monitoring or loopback in recording software sends your mic straight to your output, which builds an echo on purpose. Turn it off during calls. On Windows, open Sound settings, choose your output device's properties and switch off enhancements, because some sound effects add reverb to everything you hear.
Microphone Test Troubleshooting When Nothing Moves
If the waveform stays flat, the problem is getting any sound in, not echo. Use this troubleshooting list:
- Browser blocked: the site was refused access; allow it in site settings.
- Mic in use elsewhere: close other apps. If the audio track stops mid-test, another program has taken the mic.
- Muted: check the mute switch on the headset cable or on the mic itself.
- Connection problem: reseat the plug, try another USB port, or use the pink audio jack for an analog mic.
- Driver: update or reinstall the driver in Device Manager; outdated drivers can hide a mic.
- Hardware failure: if the mic is also silent on a second computer, the mic itself is faulty.
Check Microphone Settings in Windows, macOS and Linux
Each operating system can block a mic for every app at once. On Windows, open Privacy settings and turn on microphone access for apps. On macOS, open System Settings, then Microphone, and enable your browser. On Linux, pick the right input in the sound panel.
Test Your Microphone Privately in Any Browser
This online mic test runs on the Web Audio API built into your browser, so your voice is processed locally and never uploaded or stored. That privacy comes with nothing to install:
- Chrome and Edge on desktop and Android
- Firefox on desktop and Android
- Safari on Mac, iPhone and iPad
As a browser microphone test, it works with wired, wireless and built-in mics alike.
Frequently Asked Questions
- What is microphone echo?
- Microphone echo occurs when your audio output (from speakers or headphones) is picked up by your microphone and re-transmitted, causing listeners to hear a delayed repeat of their own voice or yours. It's most common with open-back headphones, external speakers, or high microphone gain settings.
- Why do I need a mic echo test?
- Running an echo test helps you identify whether your microphone setup is causing echo, feedback loops, or clarity issues before important calls, recordings, or streams. Catching these problems early saves you from embarrassing audio quality during meetings or content creation.
- How does this echo test work?
- This tool simulates an echo diagnostic based on your microphone type, device, gain settings, echo delay, feedback level, and environment. It scores your configuration across key audio quality factors — echo level, feedback risk, clarity, and reverb tail — then gives you an overall rating and actionable recommendations.
- How do I fix microphone echo?
- The most effective fixes include enabling echo cancellation in your OS audio settings or communication app, reducing microphone gain, switching from open-back to closed-back headphones, using a directional (cardioid) microphone, and moving to a quieter, acoustically treated room. USB and XLR microphones typically have better built-in echo rejection than integrated mics.
- Why doesn't my microphone work properly?
- Common causes include browser permission being blocked (you must allow microphone access), another application monopolizing the mic (e.g., Zoom or Discord), incorrect input device selected in your OS settings, outdated drivers, or a hardware fault. Try closing other apps, checking privacy settings, and reconnecting your mic.
- What is microphone feedback?
- Feedback is the high-pitched squeal or howl that occurs when a microphone picks up its own amplified output in a loop. It's caused by speakers being too close to the mic or gain being set too high. Lowering gain, using headphones instead of speakers, and enabling noise suppression all help reduce feedback.
- Does microphone type affect echo?
- Yes. Integrated (built-in) microphones are most prone to echo because they're physically close to the device's speakers. USB and XLR microphones, especially directional ones, have better isolation and are significantly less susceptible to picking up speaker output. Wireless mics can introduce additional latency that increases perceived echo.
- Is my audio uploaded or stored when I run this test?
- No. This echo test tool runs entirely in your browser. No audio is recorded, uploaded, or stored on any server. All calculations are performed locally based on the settings you enter.