1. A method comprising: receiving, from a sender, a textual message generated by a spoken dialog system, the textual message having a fixed text portion and a variable text portion; selecting, based on voice characteristics of the sender and the sender speaking a particular set of lines, a speech template from a plurality of speech templates, the speech template comprising information representing characteristics of an individual's voice, wherein each speech template in the plurality of speech templates is personalized to the individual and in a distinct language from other speech templates in the plurality of speech templates; accessing pre-recorded speech from storage, the pre-recorded speech corresponding to the fixed text portion of the textual message; generating variable speech corresponding to the variable text portion of the textual message; and merging the pre-recorded speech and the variable speech in an order defined by the speech template.
1. A method comprising: receiving, from a sender, a textual message generated by a spoken dialog system, the textual message having a fixed text portion and a variable text portion; selecting, based on voice characteristics of the sender and the sender speaking a particular set of lines, a speech template from a plurality of speech templates, the speech template comprising information representing characteristics of an individual's voice, wherein each speech template in the plurality of speech templates is personalized to the individual and in a distinct language from other speech templates in the plurality of speech templates; accessing pre-recorded speech from storage, the pre-recorded speech corresponding to the fixed text portion of the textual message; generating variable speech corresponding to the variable text portion of the textual message; and merging the pre-recorded speech and the variable speech in an order defined by the speech template. 3. The method according to claim 1 , wherein the individual's voice is associated with an individual who is not the sender.