# Impact of COVID-19 lockdown on ambient noise levels in seven metropolitan cities of India

> Research article (Applied Acoustics, 2021) · cited 14× · AI/ML

**Wikidata**: [openalex:W4200038492](https://www.wikidata.org/wiki/openalex:W4200038492)  
**Source**: https://4ort.xyz/entity/impact-of-covid-19-lockdown-on-ambient-noise-levels-in-seven-metropolitan-cities-of-india