# PrivacyMic: Utilizing Inaudible Frequencies for Privacy Preserving Daily Activity Recognition

> Research article (Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems, 2021) · cited 37× · AI/ML

**Wikidata**: [openalex:W3162713314](https://www.wikidata.org/wiki/openalex:W3162713314)  
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