The Design and Construction of A Mobile Station Compatible Hearing Aid (with Volume and Pitch Control)

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ABSTRACT

It would seem that hearing is secondrate sense when compared to vision in our visually oriented modern society. People with hearing loss delay decision to get hearing help because they are unaware of the fact that receiving early treatment for hearing loss has the potential to literally transform their lives. Research by the National Council on the Aging on more than 2,000 people with hearing loss demonstrated that hearing aids clearly are associated with impressive improvements in the social, emotional, psychological, and physical well-being of people with hearing loss in all hearing loss categories from mild to severe. This report present savery simple, low cost and highly effective way to design mobile station compatible hearing aid device (with digital volume and pitch control) in order to help those with these hearing impairments. Finally, the design and construction would be professionally implemented, with industry standard software and tools. microcontroller will be programmed using Microchip’s MPLABv8.30, while the design and simulation of the project will be accomplished using Lab center’s Proteus Professional 7.5, Students’ CircuitMaker Prov2.1.5.0. In addition, the final construction would be done on PCB (printed circuit board), with model board packaging for final usage.



TABLEOFCONTENT

Certification

Dedication

Acknowledgement

Table of content

List of Figures

List of Tables

Abstract


CHAPTER ONE: INTRODUCTION

1.1 Background page

1.2 Objectives of Project 

1.3 Relevance of Project


CHAPTER TWO: LITERATURE REVIEW

2.1 History 

2.1.1 Alexander Bell’s Contributions to the hearing aid

2.1.2 The transistor revolutionizes hearing aid

2.1.3 The next great leap

2.2 Sound

2.2.1 Perception of sound

2.2.2 Physics of Sound

2.2.3 Speed of Sound

2.2.4 Acoustic and noise

2.2.5 Sound pressure level 

2.3 The human Ear

2.3.1 The structure of the human ear

2.4 How hearing is possible in human

2.5 Types of hearing loss

2.5.1 Conduction hearing loss

2.5.2 Sensorineural hearing loss

2.5.3 Mixed hearing loss

2.6 Hearing Aids – introduction

2.6.1 How hearing aids work

2.6.2 Types of hearing aids 


CHAPTER THREE: PROBLEM STATEMENT/DESIGN PROBLEM 

3.1 Types of radiation 

3.2 Feasible solutions

3.2.1 Explanation

3.2.2 Explanation

3.2.3 Explanation 


CHAPTER FOUR: METHOD OF SOLUTION/DESIGN PROCEDURE

4.1 Design

4.2 Specifications

4.3 Block diagram

4.4 Chart illustration

4.5 Chart illustration(cont’d)

4.6 Circuit components 

4.7 Electromagnetic and compatibility

4.7.1 Materials for electromagnetic shielding


CHAPTER FIVE: RECOMMENDATION AND CONCLUSION

5.0 Discussion of results

5.1 Testing

5.1.1 Before testing

5.1.2 After testing

5.2 Conclusion

5.3 Recommendation

REFERENCES

APPENDIX A

APPENDIX B

APPENDIX C

APPENDIX D



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APA

Adedayo, A. (2022). The Design and Construction of A Mobile Station Compatible Hearing Aid (with Volume and Pitch Control). Afribary. Retrieved from https://afribary.com/works/hearing-aid

MLA 8th

Adedayo, Alaga "The Design and Construction of A Mobile Station Compatible Hearing Aid (with Volume and Pitch Control)" Afribary. Afribary, 16 Nov. 2022, https://afribary.com/works/hearing-aid. Accessed 07 Dec. 2022.

MLA7

Adedayo, Alaga . "The Design and Construction of A Mobile Station Compatible Hearing Aid (with Volume and Pitch Control)". Afribary, Afribary, 16 Nov. 2022. Web. 07 Dec. 2022. < https://afribary.com/works/hearing-aid >.

Chicago

Adedayo, Alaga . "The Design and Construction of A Mobile Station Compatible Hearing Aid (with Volume and Pitch Control)" Afribary (2022). Accessed December 07, 2022. https://afribary.com/works/hearing-aid