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LSTN Editorial Team · Editorially overseen by Dan McCoy
This is the test most people take before their first audiology appointment, not to replace the clinical evaluation, but to walk in knowing something. Done correctly at home, it can catch significant hearing loss reliably. Understanding what it measures, and what it can't, helps you use the result well.
Online hearing tests typically measure pure-tone thresholds: the softest tones you can detect at a set of frequencies, usually 500, 1,000, 2,000, and 4,000 Hz. Some include a speech-in-noise component, which is actually more sensitive to early functional hearing changes than pure tones alone.
What they cannot measure: speech discrimination (word recognition accuracy), middle ear function (tympanometry), bone conduction (which separates sensorineural from conductive loss), or extended high frequencies. These require equipment and a controlled environment.
Research comparing online screening results to audiometric results in sound-treated booths shows reasonable agreement when testing conditions are controlled. The results degrade significantly in noisy environments or with poor audio equipment.
Headphones are required: in-ear or over-ear, not laptop speakers. Speakers cannot deliver the frequency-specific, separately-calibrated bilateral signals needed for a meaningful hearing screen. Even good speakers introduce room acoustics and cannot separate the ears.
Find the quietest space in your home at the quietest time of day. Turn off fans, air conditioning, appliances, and anything else generating background noise. Close windows. A quiet room might measure around 30 dB; a typical bedroom with ambient noise might be 40-50 dB. The difference affects threshold measurement directly.
Use the test's calibration step to set headphone volume before beginning. Don't adjust the volume during the test. Test each ear separately, and compare both. The bilateral comparison is often where the most clinically relevant information is.
Most online tests output a simplified audiogram or a summary of hearing across frequencies. Look for: which frequencies are affected (high-frequency loss is most common), whether the ears are symmetric (significant asymmetry is a red flag), and how results compare to age-matched norms.
Results are typically categorized: normal (0–25 dBHL), mild (26–40 dBHL), moderate (41–55 dBHL). These cutoffs matter clinically. Mild loss affects speech in noise significantly even though it sounds subtle on a description.
If results suggest mild or greater loss in any frequency, or significant asymmetry between ears, follow up with a clinical audiologist. A screening result is not enough information to fit hearing aids or rule out medical causes.
If the test result is normal but you're still struggling in noise: see an audiologist anyway. Standard online tests cover 500–4,000 Hz and miss speech-in-noise difficulty, extended high-frequency loss, and central auditory processing issues. Normal-screening doesn't equal no problem.
If there's any sudden change in hearing, asymmetric symptoms, or one-sided tinnitus: don't rely on an online test. These warrant same-week audiological evaluation, not screening.
Online hearing tests are a reasonable starting point that can prompt action. They are not a substitute for a professional evaluation, and a normal result shouldn't provide false reassurance when functional symptoms persist.
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