{'fraction_non_alphanumeric': 0.009779951100244499, 'fraction_numerical': 0.0012224938875305623, 'mean_word_length': 5.157894736842105, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Recent Advances in Hearing Aid Technology-A Review

Hearing aids are electroacoustic gadgets commonly worn in or behind the ear and are intended to enhance the speech Nowadays hearing aids support various application unlike the traditional ones such that it can act like headphones streaming audio signals from internet-enabled devices connected wirelessly via Bluetooth. This paper aims to review the various advancements in the hearing aid technology. System on chip technology of the microcontroller have been used in various studies to develop and design an effective hearing assistant device and help the people with hearing impairment to lead a normal life. Ten articles have been reviewed for the study and it can be concluded that IoT is the future for an efficient, cost effective hearing assistive system [1]