Tympanometry Explained | How It Measures Your Eardrum’s Movement Tympanometry is an objective test that measures how your eardrum responds to changes in air pressure. Developed in 1962 by Dr. Terkildsen and Dr. Scott in Denmark, it became one of the first technologies to give audiologists an accurate view of the middle ear system. Learn how this painless test helps detect fluid, blockage, or pressure imbalance — and why it’s a key step in diagnosing hearing loss and ear infections. Results and T