@jeffowski @paul Actually it comes from research done into the efficacy of voice warning systems for aviation where it was found that women's voices were found to “have an advantage because they could portray a greater rage of urgencies due to their generally higher pitch range”. Source: https://en.wikipedia.org/wiki/Voice_warning_system#:~:text=Therefore%2C%20they%20recommended%20the%20choice,higher%20pitch%20and%20pitch%20range.