Global strings from the initial Patch 10.1 build hint at some sort of character voice selection in Embers of Neltharion,
New Global Strings in Patch 10.1
The following global strings are tied to character customization in Patch 10.1.
CHAR_CUSTOMIZATION_TOOLTIP_PLAY_VOICE_SAMPLE – Play Sample Voice Line
CHAR_CUSTOMIZATION_TOOLTIP_MUTE_SOUND – Mute Sound
CHAR_CUSTOMIZATION_TOOLTIP_UNMUTE_SOUND – Unmute Sound
Players will most likely be able to preview and assign Male / Female voices to Body A / Body B types.