Introduction To Hearing Aids

Sound is produced by the vibration of an object. The object that is making the sound is called the sound source. Sound is simply the movement of pressure waves through the air. The pressure waves vibrate the small bones of the inner ear (the ossicles), and these vibrations are converted into tiny electronic brain waves, which are what we perceive as sound. The inner ear uses the same principle as a microphone to capture sound waves or a speaker to produce sound, which is the relationship between moving mechanical parts and air pressure waves. Naturally, when the sound waves are low in pitch, long in wavelength, and large enough, we can actually "feel" the air pressure waves vibrating our bodies.