Enhancing acoustic comfort for earplug users: objective and subjective evaluation of bone-conducted sound with meta-earplugs incorporating Helmholtz resonators

Keyphrases

• Acoustic Comfort 100%
• Artificial Ear 11%
• Bone-conducted 11%
• Bone-conducted Sound 100%
• Earplugs 100%
• Excessive Noise 11%
• Foam Earplug 11%
• Helmholtz Resonator 100%
• Likert Scale 11%
• Linear Mixed Model 11%
• Low-frequency Sound 33%
• Metamaterials 11%
• Naturalness 33%
• Noise Exposure 11%
• Objective Evaluation 100%
• Objective Measurement 11%
• Occlusion Effect 77%
• Own Voice 11%
• Psychosocial Characteristics 11%
• Sound Amplification 33%
• Sound Attenuation 11%
• Sound Pressure Level 11%
• Subjective Evaluation 100%
• User's Objective 100%

Engineering

• Helmholtz Resonator 100%
• Objective Evaluation 100%
• Sound Attenuation 50%
• Sound Pressure Level 50%
• Subjective Evaluation 100%

Medicine and Dentistry

• Acivicin 10%
• Decision Making 20%
• Earplug 100%
• Likert Scale 10%