12. The method of claim 11 , wherein the voice model associated with the first mood for the first character comprises a voice model in a first language and the voice model associated with the second mood for the first character comprises a voice model in a second language that is different from the first language.
11. The method of claim 10 , wherein a voice model associated with the first mood for the first character differs from a voice model associated with the second mood for the first character.