A device designed to increase the volume of sound transmitted through a telephone, specifically intended to assist individuals with diminished auditory capabilities, constitutes a telephone sound enhancement system. Such systems can range from simple, stand-alone units that connect to a standard telephone to more sophisticated integrated systems built into specialized telephones.
Amplified telephony solutions play a significant role in improving communication accessibility for a substantial portion of the population. The availability of greater sound volume reduces the strain on auditory processing, leading to more effective and less fatiguing communication. Historically, these solutions have evolved from basic analog amplifiers to complex digital systems offering features such as frequency adjustment and noise reduction, reflecting the ongoing pursuit of optimal sound clarity.