DESIGN AND IMPLIMENTATION OF A WIRELESS VIDEO AUDIO TRANSMITTER AND RECEIVER OVER FREQUENCY MODE
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BY
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--/H2013/01430
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APPROVAL PAGE
This is to certify that the research work "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" by ---, Reg. No. --/H2007/01430 submitted in partial fulfillment of the requirement award of a Higher National Diploma on --- has been approved.
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DEDICATION
This project is dedicated to Almighty God for his protection, kindness, strength over my life throughout the period and also to my --- for his financial support and moral care towards me.Also to my mentor --- for her academic advice she often gives to me. May Almighty God shield them from the peril of this world and bless their entire endeavour Amen.
ACKNOWLEDGEMENT
The successful completion of this project work could not have been a reality without the encouragement of my --- and other people. My immensely appreciation goes to my humble and able supervisor mr. --- for his kindness in supervising this project.
My warmest gratitude goes to my parents for their moral, spiritual and financial support throughout my study in this institution.
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TABLE OF CONTENTS
COVER PAGE
TITLE PAGE
APPROVAL PAGE
DEDICATION
ACKNOWELDGEMENT
ABSTRACT
CHAPTER ONE
1.0 BACKGROUND OF THE PROJECT
1.1 PURPOSE OF THE PROJECT
- SIGNIFICANCE OF THE PROJECT
- SCOPE OF THE PROJECT
- APPLICATION OF THE PROJECT
- LIMITATION OF THE PROJECT
CHAPTER TWO
LITERATURE REVIEW
- DESCRIPTION OF WIRELESS SIGNAL
- REVIEW OF DIFFERENT TYPES OF WIRELESS SIGNALS
- REVIEW OF AN ANTENNAS
CHAPTER THREE
3.0 METHODOLOGY
3.1 SYSTEM BLOCK DIAGRAM
3.2 SYSTEM CIRCUIT DIAGRAM
3.3 CIRCUIT DESCRIPTION
3.4 CIRCUIT DIAGRAM
CHAPTER FOUR
4.0 RESULT ANALYSIS
4.1 CONSTRUCTION PROCEDURE AND TESTING ANALYSIS
4.2 CASING AND PACKAGING
4.3 ASSEMBLING OF SECTIONS
4.4 TESTING OF SYSTEM OPERATION
4.5 IMPLEMENTATION (HOW WE DID IT)
CHAPTER FIVE
- CONCLUSION
- RECOMMENDATION
- REFERENCES
CHAPTER ONE
1.0 BACKGROUND OF THE PROJECT
The era of wire or cable connection for reception of audio and video media is almost obsolete. Now technology is making everything wireless and stress free. This device is another brilliant technology that can let you connect your audio and video footage from one point to another without wires, example connect different TVs in different locations(rooms) from your DVR(DSTV Decoder) without running wires, CCTV cameras to Monitor without running wires, DVD to TVs or speakers in different rooms without running cables.
Wireless A/V Transmitter and Receiver arrives with an inbuilt antenna as well as having a really Low Power Consumption is a new way to share signals from many devices. Share audio and video signals from VCR, DVD, Satellite receivers, set-top box or CCTV camera to any TV or monitor in different rooms wirelessly with this transmitter and receiver system.
This audio and visual system has a huge transmission range and can even reach more than 500 meters (1500ft) in open spaces making it great when setting up around the home or the office. Simply connect using the AV cables provided then turn the transmitter and receiver on for instant signal transmission, so you can start watching the footage straight away. This wireless audio/video transmitter and receiver has adopted advanced microwave wireless transmission technology so that it can transmit high quality video and audio signals, therefore eliminating the need for cables.
Connect the transmitter to your TV or your computer downstairs and the set the receiver in another room and you can enjoy it there, rather than having to carry the DVD player or other equipment into the other room. Ideal for watching TV in another room from the satellite box or for keeping an eye on your property while you lay in bed, this audio and video system allows an alternative to be possible without the need for wire.
1.1 OBJECTIVE OF THE PROJECT
The objective of this work is to design and implement a device for transmitting domestic audio and video signals wirelessly from one location to another over a frequency mode. The frequency at which it is transmitted has much more available bandwidth than that which is available at the analogue level.
1.2 PURPOSE OF THE PROJECT
A wireless audio/video sender allows you to transmit audio/video signals of cable, satellite, video camera, DVD player, VCR, projector, or computer, etc. from one room to another wirelessly. RF-Link 5.8GHz audio/video sender not only provides 300 ft (100 meters) wireless transmission (in open space).
1.3 SIGNIFICANCE OF THE PROJECT
Wireless signals are electromagnetic waves travelling through the air. These are formed when electric energy travels through a piece of metal - for example a wire or antenna and waves are formed around that piece of metal. These waves can travel some distance depending on the strength of that energy.
This device is important because it can transfer information - audio, video, our voices, data -- without the use of wires, and that makes them very useful.
1.4 SCOPE OF THE PROJECT
Spread-spectrum techniques are methods by which a signal is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth. Within the video sender market, these techniques allow for a wireless signal to be transmitted with much less chance of interference from, and to, frequency mode.
It is not uncommon for several Wi-Fi networks to be within range of a typical home and as such, spread-spectrum based video senders are often the best solution for transmitting audio and video signals within this crowded wireless environment.
Some manufacturers use proprietary spread-spectrum techniques, enabling typical operational ranges of up to 80 metres in-building. By also employing externally mounted antennas, operational ranges in excess 2000 metres.
1.5 APPLICATION OF THE PROJECT
This device is used to connect home entertainment and AV devices in a home or a business. These transmitters are also used to connect security cameras to displays and recorders. For instance, a home security system can be set up that utilizes a video transmitter for cameras that monitor the front door, or a home theatre can be set up with wireless transmitters to allow video signals to be beamed to different TVs in the home.
Wireless video transmitters are used to send a video signal from any AV or HD video source to a receiver in another location. They are also used to connect security cameras to display monitors. No matter which type of wireless video transmitter one chooses, there are certain issues the buyer should be aware of when it comes to wireless video transmitters used for security.
1.6 LIMITATION OF THE PROJECT
Radio Interference
Radio frequency interference, or RF interference, is one of the major problems that can plague wireless setups. This is because there are so many wireless devices in operation today. Many of these wireless devices, like cordless phones, function using the same radio frequencies as video transmitters. To determine if this is the problem, one should turn on the wireless receiver without turning on the wireless video transmitter. If any symmetrical picture is displayed it is likely that there is interference.
Obstructions
An obstruction refers to anything that is between the transmitter and receiver and is obstructing the signal from reaching the receiver successfully. Although wireless videos can transmit through walls, there is always some degradation of the signal. If obstructions like walls or thick trees are unavoidable, the solution is to get the transmitting and receiving antennas up as high as possible, as many of the obstructions that the signal encounters include furniture and other items sitting on the floors.
CHAPTER TWO: The chapter one of this work has been displayed above. The complete chapter two of "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" is also available. Order full work to download. Chapter two of "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" consists of the literature review. In this chapter all the related work on "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" was reviewed.
CHAPTER THREE: The complete chapter three of "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" is available. Order full work to download. Chapter three of "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" detector consists of the methodology. In this chapter all the method used in carrying out this work was discussed.
CHAPTER FOUR: The complete chapter four of "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" is available. Order full work to download. Chapter four of "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" detector consists of all the test conducted during the work and the result gotten after the whole work
CHAPTER FIVE: The complete chapter five of "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" is available. Order full work to download. Chapter five of "design and implimentation of a wireless video audio transmitter and receiver over frequency mode" detector consist of conclusion, recommendation and references.
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