More information: Aleksandra Ćwiek et al, The alveolar trill is perceived as jagged/rough by speakers of different languages, The Journal of the Acoustical Society of America (2024). DOI: 10.1121 ...

People around the world associate a trilled R sound with a rough texture and a jagged shape, and an L sound with smooth texture and a flat shape, according to the findings of a new study.

People around the world associate a trilled R sound with a rough texture and a jagged shape, and an L sound with smooth texture and a flat shape, according to the findings of a new study.