# Coherent coupling based meta-structures for high acoustic absorption at 220–500 Hz frequency

> Research article (Applied Acoustics, 2021) · cited 15× · AI/ML

**Wikidata**: [openalex:W3171263466](https://www.wikidata.org/wiki/openalex:W3171263466)  
**Source**: https://4ort.xyz/entity/coherent-coupling-based-meta-structures-for-high-acoustic-absorption-at-220500-hz-frequency