On This Page. Viral meningitis is the most common type of meningitis, an inflammation of the tissue that covers the brain and spinal cord. It is often less severe than bacterial meningitis, and most people get better on their own (without treatment).
Sound level calibration is a prerequisite to properly measuring hearing loss. Our hearing test is the only online hearing test we know of that offers you a way to calibrate your headphones or speakers, giving you the opportunity to reliably estimate your hearing loss. Use our test with confidence to confirm normal hearing, or a mild, moderate, or severe hearing loss. This test-like any other hearing test-requires a decent pair of headphones (good speakers will work too, although headphones are preferred), and a quiet environment.
Testing the toddler (2 to 3 years old) When evaluating the hearing of a toddler the following test may also be used: Conditioned play audiometry (CPA) is a headphone testing used on infants and young children mature enough to tolerate this test strategy, which provides specific information about the hearing loss.