Home / Radiography / A STUDY OF THE POSSIBILITY OF ACQUIRING NOISE-INDUCED HEARING LOSS BY THE USE OF PERSONAL CASSETTE PLAYERS (WALKMAN).

A STUDY OF THE POSSIBILITY OF ACQUIRING NOISE-INDUCED HEARING LOSS BY THE USE OF PERSONAL CASSETTE PLAYERS (WALKMAN).

 

Table Of Contents


Chapter ONE

1.1 Introduction
1.2 Background of Study
1.3 Problem Statement
1.4 Objective of Study
1.5 Limitation of Study
1.6 Scope of Study
1.7 Significance of Study
1.8 Structure of the Research
1.9 Definition of Terms

Chapter TWO

2.1 Overview of Noise-Induced Hearing Loss
2.2 Historical Perspective on Noise-Induced Hearing Loss
2.3 Causes of Noise-Induced Hearing Loss
2.4 Effects of Noise-Induced Hearing Loss
2.5 Prevention and Management of Noise-Induced Hearing Loss
2.6 Studies on Noise-Induced Hearing Loss
2.7 Technologies Impacting Noise-Induced Hearing Loss
2.8 Societal Implications of Noise-Induced Hearing Loss
2.9 Behavioral Aspects of Noise-Induced Hearing Loss
2.10 Future Trends in Research on Noise-Induced Hearing Loss

Chapter THREE

3.1 Research Design
3.2 Sampling Methods
3.3 Data Collection Techniques
3.4 Data Analysis Methods
3.5 Ethical Considerations
3.6 Research Instruments
3.7 Variables Definition
3.8 Research Assumptions

Chapter FOUR

4.1 Overview of Findings
4.2 Presentation of Data
4.3 Analysis of Data
4.4 Comparison with Existing Literature
4.5 Interpretation of Results
4.6 Discussion on Key Findings
4.7 Implications of Findings
4.8 Recommendations for Future Research

Chapter FIVE

5.1 Summary of Findings
5.2 Conclusion
5.3 Contributions to Knowledge
5.4 Practical Implications
5.5 Limitations of the Study
5.6 Recommendations for Practice
5.7 Recommendations for Policy
5.8 Suggestions for Further Research

Project Abstract

Playing various types of music on five selected personal cassette players (PCPs), A-weighted sound pressure levels (SPLs), together with octave band spectrum, were measured on KEMAR (Knowles Electronics Manikin for Acoustic Research). Maximum and equivalent SPLs were measured for various types of music, PCPs and for different gain (volume) settings.The measured SPL-values on KEMAR ear were transformed to field values outside the ear canal by means of corrections based on KEMAR’s ear canal resonance curve–in order to compare measured values with the Norwegian national noise risk criteria. Temporary threshold shift (TTS) was measured after listening to PCP music for one hour in order to obtain additional information about possible risk of hearing damage.TTS values are presented for six subjects when playing two different pop music cassettes on one type PCP. Our analysis indicates that the risk for permanent noise-induced hearing loss from listening to PCP is very small for normal listening conditions.

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