Voice and accents are very identifying, and some are indeed associated with gender (e.g. the “Valley” accent of California). https://en.m.wikipedia.org/wiki/Lin

Voice and accents are very identifying, and some are indeed associated with gender (e.g. the “Valley” accent of California). https://en.m.wikipedia.org/wiki/Linguistic_profiling https://en.m.wikipedia.org/wiki/Linguistic_profiling