I have hardly heard the Female voice myself.
The change from generic masculine to generic feminine was due to the equal rights movements. Take for example my Dungeons & Dragons books. Prior to 1980 most of the books referred to the subject as he, him, or his. After 1980 they started to refer to the subject as she, her, or her's. Here recently they've more frequently used fictitious characters that are assigned a gender and dictate accordingly.
The mans voice seems to have a lot of bad grammar like "John has joined the serber". Whats a "Serber"?
From what I've heard of the feminine voice it's smoother, more well pronounced and easier to understand.--
»were.boldlygoingnowhere.org if we don't change out ways!