Tunable dual-layer acoustic metacage for efficient sound insulation and transmission

Key Points

• Enhanced sound insulation achieved with a tunable dual-layer acoustic metacage design, demonstrating its potential in diverse acoustic environments.
• The dual-layer system showed significant improvement in acoustic properties, reducing sound transmission by up to 30% across various frequencies.
• Assessment using advanced acoustic transmission metrics reveals how the design effectively minimizes sound leakage in practical applications.
• Findings suggest that this innovative metacage could lead to more effective soundproofing solutions in architectural and engineering fields.