Check the speakers, the microphone, the room and your own hearing
Everything here runs in your browser. Files are never uploaded.Sound problems are hard to argue about because nobody can hear what you hear. These pages turn that into a measurement: whether both speakers work, whether the microphone is picking you up, how loud a room really is in decibels, how much it echoes, and which tones you can still hear. Everything uses the speakers and microphone already in your device, and no recording is kept or sent.
Speaker and Mic Test plays a tone in the left channel, then the right, then shows your microphone level as you speak. It takes under a minute and it answers the two questions that waste the first five minutes of a meeting.
Sound Level Meter shows a live reading in dB along with the minimum, maximum and average since you started. Phone microphones are not calibrated instruments, so read the number as a comparison between places rather than as evidence: it will tell you reliably that one room is 15 dB louder than another.
Room Echo asks you to clap once and measures how long the sound takes to fall away, the figure acousticians call RT60. Under about 0.5 seconds a room sounds close and speech is clear; over about 1.0 it starts to smear consonants, which is why a bare room is a bad place for a call.
Frequency Response Sweep plays 20 Hz to 20 kHz, records it back through the microphone and draws where the sound falls away. Tone Generator does the same thing one frequency at a time when you want to hunt for a resonance or a buzz.
Hearing Screening plays quiet tones at different frequencies, one ear at a time, and charts which ones you heard. It is a rough screening on uncalibrated hardware, not an audiogram, and it cannot diagnose anything. If the chart surprises you, that is a reason to see an audiologist, not a result.
Your microphone, your speakers, your volume setting and the room are all in the measurement. Compare readings taken on the same device at the same volume and they mean something. Compare a phone reading with a friend's and they do not.
The microphone is read live and the samples are used for the measurement on screen. No recording is saved, and nothing is uploaded, which is why the pages keep working with the connection off.
Good for comparisons, poor as evidence. An uncalibrated phone microphone is typically within a few decibels in the middle of the range and much worse at the extremes, so use it to compare two places, not to prove a nuisance claim.
No. A clinical audiogram uses calibrated headphones in a quiet booth. This plays tones through whatever you are wearing, in whatever room you are in, so it can suggest a pattern worth checking and nothing more.
For speech and calls, under about 0.5 seconds. Living rooms with soft furnishings usually land there. An empty room with hard floors and bare walls can pass 1.0 seconds, which is when people start asking you to repeat yourself.
Hearing above roughly 15 kHz declines with age in almost everyone, and most speakers and phone earpieces roll off up there as well. A missing 18 kHz tone usually says more about the hardware than about you.
For the pages that measure, yes, and your browser will ask. Permission is per site and can be withdrawn at any time. The audio never leaves the page.