EFFECTS OF LISTENING TO MUSIC WITH HEADPHONES ON HEARING: ESPECIALLY UNDER NOISY CONDITIONS
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
- 2.1Theoretical Framework
- 2.2Historical Overview
- 2.3Effects of Music on Hearing
- 2.4Impact of Headphones on Hearing
- 2.5Noise-Induced Hearing Loss
- 2.6Listening Habits and Preferences
- 2.7Benefits of Music Listening
- 2.8Risks of Prolonged Headphone Use
- 2.9Studies on Music and Hearing
- 2.10Summary of Literature Review
Chapter THREE
RESEARCH METHODOLOGY
- 3.1Research Design
- 3.2Sampling Methods
- 3.3Data Collection Techniques
- 3.4Data Analysis Procedures
- 3.5Research Instruments
- 3.6Ethical Considerations
- 3.7Reliability and Validity
- 3.8Limitations of Methodology
Chapter FOUR
DATA PRESENTATION AND ANALYSIS
- 4.1Data Presentation and Analysis
- 4.2Participant Demographics
- 4.3Listening Habits and Patterns
- 4.4Effects on Hearing Thresholds
- 4.5Noise Exposure Levels
- 4.6Comparison of Headphone Types
- 4.7Recommendations for Safe Listening
- 4.8Implications for Future Research
Chapter FIVE
SUMMARY, CONCLUSION AND RECOMMENDATIONS
- 5.1Summary of Findings
- 5.2Conclusions
- 5.3Implications for Practice
- 5.4Recommendations
- 5.5Contributions to Knowledge
Project 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.Project Overview
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