Hearing health
How Does the Ear Work?
By Elbe Akustik · approx. 1 min read · April 20, 2026
Structure of the Ear
The human ear consists of three main areas that work together to capture sound waves and convert them into electrical signals.
Outer Ear
The outer ear includes the pinna (auricle) and the ear canal. The pinna captures sound waves from the environment and channels them through the ear canal to the eardrum. The shape of the pinna helps us determine the direction of sounds.
Middle Ear
Behind the eardrum lies the middle ear with the three smallest bones in the human body: the hammer (malleus), anvil (incus), and stirrup (stapes). These ossicles amplify the vibrations of the eardrum and transmit them to the inner ear. The amplification is enormous: without it, we could not perceive quiet sounds.
Inner Ear (Cochlea)
The cochlea is the actual hearing organ. It is filled with fluid and contains approximately 15,000 hair cells that respond to vibrations. Different areas of the cochlea respond to different frequencies:
- Base of the cochlea: high-pitched sounds
- Apex of the cochlea: low-pitched sounds
When hair cells are moved by vibrations, they generate electrical impulses that are transmitted to the brain via the auditory nerve.
From Ear to Brain
The brain processes incoming signals in the auditory cortex. This is where sounds are recognized, speech is understood, and music is enjoyed. This processing is incredibly complex, which is why we say: We hear with our brain, not with our ears.
Why Hearing Loss Should Be Taken Seriously
When hair cells in the inner ear are damaged (by noise, aging, or disease), they cannot regenerate. This is why prevention is so important. Regular hearing tests can detect changes early.
Schedule a free hearing test at one of our branches.
The next step
Do not wait until hearing loss noticeably limits your daily life. The earlier you act, the better the results.
Book a free hearing test