EFFECTS OF LISTENING TO MUSIC WITH HEADPHONES ON HEARING–ESPECIALLY UNDER NOISY ENVIRONMENT | Blazingprojects Postgraduate Thesis
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EFFECTS OF LISTENING TO MUSIC WITH HEADPHONES ON HEARING–ESPECIALLY UNDER NOISY ENVIRONMENT

 

Table Of Contents


Chapter ONE

INTRODUCTION

  • 1.1Introduction
  • 1.2Background of study
  • 1.3Problem Statement
  • 1.4Objective of study
  • 1.5Limitation of study
  • 1.6Scope of study
  • 1.7Significance of study
  • 1.8Structure of the research
  • 1.9Definition of terms

Chapter TWO

LITERATURE REVIEW

  • 2.1Overview of Music Listening
  • 2.2History of Headphones
  • 2.3Effects of Noise on Hearing
  • 2.4Impact of Music Volume on Hearing
  • 2.5Research on Headphone Usage
  • 2.6Types of Headphones
  • 2.7Health Risks of Prolonged Headphone Use
  • 2.8Benefits of Music Listening
  • 2.9Psychological Effects of Music
  • 2.10Cultural Perspectives on Music Listening

Chapter THREE

RESEARCH METHODOLOGY

  • 3.1Research Design
  • 3.2Data Collection Methods
  • 3.3Sampling Techniques
  • 3.4Variables and Measurements
  • 3.5Data Analysis Procedures
  • 3.6Ethical Considerations
  • 3.7Research Limitations
  • 3.8Research Validity and Reliability

Chapter FOUR

DATA PRESENTATION AND ANALYSIS

  • 4.1Analysis of Data
  • 4.2Impact of Headphone Usage on Hearing
  • 4.3Comparison of Different Headphone Types
  • 4.4Correlation Between Music Volume and Hearing Damage
  • 4.5Participant Feedback on Headphone Usage
  • 4.6Recommendations for Safe Music Listening
  • 4.7Future Research Directions
  • 4.8Implications for Public Health

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

  • 5.1Conclusion
  • 5.2Summary of Findings
  • 5.3Implications for Practice
  • 5.4Recommendations for Policy
  • 5.5Contributions to Knowledge

Thesis Abstract

The purpose of this experiment was to clarify the effects of exposure to music using headphones under noisy conditions on hearing. The most comfortable loudness (MCL) for three kinds of music (Rock, Popular, Japanese songs) decided by two normal hearing subjects was measured under 6 noisy conditions(Train, Subway, Tram, Bus, Underground, Street) in a soundproof room. In the same manner, the MCL of favorite tunes of five subjects were measured. Temporary threshold shift 2 min after exposure (TTS2) to music for 30 min at the highest MCL was obtained.Furthermore, the characteristics such as spectral structures in one-third octave band or level fluctuations (coefficient of variation) were obtained for noise and music and compared. Statistical analysis revealed that MCL in Street was significantly higher than under other conditions and there was no significant differences in MCL among the various types of music.However, the highest MCL was found for Rock. About 20 dB of TTS was observed in one ear and the hazardous of headphones use in noisy conditions was suggested.

Thesis Overview

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