Still rooting for a male voice! The only acceptable female voice for me would be a GLaDOS from the Portal series. [/another DLC pleeaaaseeee?]
"After 2 lightyears, turn 60 degrees right"
[20 seconds later]
"I've meant left you imbecile"
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[mentions that you cant even dock without flight assist off]
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[doesnt like your current ship loadout]
Tests on fighter pilots have proven that they respond faster to a female voice, when compared to a male one. So yes, the female voice could be considered to be more realistic.