AUDIO TRANSMISSION THROUGH POWER LINE SYSTEM

Electronics and Communication Engineering

In the field of communication and data transmission, new technologies are arising in a rapid manner. Power line communication which is also known as power line carrier is one such technology which allows the transmission of data and audio signals through the existing power lines. Power line Digital Subscriber Line, mains communication, Power Line Telecom, Power Line Networking are some other common names of power line communication technology. Power Line Communication uses the existing main wires in the building for the transmission of signals, where the installation of new wires is not needed. The power lines are developed for the transmission of power at 50-60 Hz and 230 Volts, and thus the power line networks has a very widespread arrangement in every buildings. A FSK – KQ330 power line module which can act as a carrier modulation and demodulation module. This paper is about the transmission of audio signal using FSK – KQ330 power line module, by converting the audio signal to text by using a speech to text converter, then modulating it and transmitted through a power line and the converting back the text to speech by using a text to voice converter. Analog and digital signals can be transmitted through the power lines. Digital mode of data and audio signals transmission and reception is focused here.

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