# Differences between Outdoor and Indoor Sound Levels for Open, Tilted, and Closed Windows

> Research article (International Journal of Environmental Research and Public Health, 2018) · cited 85× · AI/ML

**Wikidata**: [openalex:W2788686826](https://www.wikidata.org/wiki/openalex:W2788686826)  
**Source**: https://4ort.xyz/entity/differences-between-outdoor-and-indoor-sound-levels-for-open-tilted-and-closed-windows