3. The method of claim 1 , wherein the synthesized speech corresponds to the user emotion.
3. The method of claim 1 , wherein the synthesized speech corresponds to the user emotion. 7. The method of claim 3 , wherein the synthesized speech is synthesized using selected voice units from the database, wherein the selected voice units comprise a first voice unit from the first portion of the voice data, and comprise a second voice unit from the second portion of the voice data.