Fiber-Wireless Audio Communication

Mohd Ridzuan, Abu Chik (2012) Fiber-Wireless Audio Communication. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

An optical communication system is consists of a transmitter which encodes a message into an optical signal. A channel which carries the signal to its destination and a receiver reproduces the messages from the received optical signal. Nowadays, by using light as signal information transmission in optical communication system is becoming a helpful technique and has encouraged a major new technology in audio, video and data transmission. Wireless optical communication is a telecommunication technology that uses light propagating in free space to send data from one point to another point whereby for this project sound is used as the input source and has characterized by frequency, wavelength, period, amplitude, speed and direction. The purpose of this project is to design the transmitter and receiver circuit that able to detect signal in the wireless channel by using the infrared as a photo-source. The sound is generating using Function Generator, then will be amplified and going through the speaker. The sound will be generated using IC Music Generator and the output will be heard at the speaker in the receiver. After test and verification, it is concluded that the device has the ability to detect the signal in wireless channel with an acceptable accuracy. On the other hand, by using the wireless channel is quite challenging to design and analyze it because of noise.

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