Title

Design and evaluation of a multiple amplitude shift keyed bit to audio tone line encoder and decoder for ASCII character communications

College

Gokongwei College of Engineering

Department/Unit

Electronics And Communications Engg

Document Type

Article

Source Title

ARPN Journal of Engineering and Applied Sciences

Volume

15

Issue

1

First Page

61

Last Page

70

Publication Date

1-1-2020

Abstract

This paper focused on the integration of line coding and nonlinear mixing in digital communication systems. The researcher's implementation of a bit-to-audio-tone encoder with a respective decoder. The encoder received a message from the user. The message that was inputted could be a symbol, and after it was fed into the system, it then produced audio. If the receiving end has the decoder, the audio when then be translated back to the original message. This study has benefits in the field of security systems because data can be accessed or hacked by those that have the skillset to do so. This digital communication system could be used to send information to a certain person, and since only that person has the digital decoder, only he/she can access the data. To others, the system would only produce an audio tune that would be unrecognizable by those receive it if they do not have the decoder. This research aimed to create a safer way to send and receive sensitive information without unwanted third parties to decipher it. © 2020 Asian Research Publishing Network (ARPN).

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Disciplines

Electrical and Computer Engineering | Electrical and Electronics

Keywords

Spectrum analysis; Digital communications; Decoders (Electronics); ASCII (Character set)

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