When hearing aid goes high tech
Decades ago, a hearing aid was largely an amplifier. But the matchbox-sized pocket models had one problem. While they amplified speech, adjacent surrounding sound, like the sound of the ceiling fan, also got amplified. So one did not get speech clarity.
Now technology has progressed by leaps and bounds. Today’s digital hearing aids are nano chip-based that can perform millions of operations in a second. “These are programmable as per the requirement and lifestyle of the patient
