# Extended High-frequency Hearing Impairment Despite a Normal Audiogram: Relation to Early Aging, Speech-in-noise Perception, Cochlear Function, and Routine Earphone Use

> Research article (Ear and Hearing, 2021) · cited 67× · AI/ML

**Wikidata**: [openalex:W3209396061](https://www.wikidata.org/wiki/openalex:W3209396061)  
**Source**: https://4ort.xyz/entity/extended-high-frequency-hearing-impairment-despite-a-normal-audiogram-relation-to-early-aging-speech-in-noise-perception