16. A device having instructions stored which, when executed by a processor, result in the processor performing operations comprising: storing, in a database, voice data according to user emotions; identifying, from user speech, a user emotion; identifying, via at least one processor and according to the user emotion, a first portion of the voice data, wherein the first portion of the voice data comprises a first emotional content for a first speaker; identifying, via the at least one processor and according to the user emotion, a second portion of the voice data, wherein the second portion of the voice data comprises a second emotional content for a second speaker; and synthesizing synthesized speech using the first portion of the voice data and the second portion of the voice data.
16. A device having instructions stored which, when executed by a processor, result in the processor performing operations comprising: storing, in a database, voice data according to user emotions; identifying, from user speech, a user emotion; identifying, via at least one processor and according to the user emotion, a first portion of the voice data, wherein the first portion of the voice data comprises a first emotional content for a first speaker; identifying, via the at least one processor and according to the user emotion, a second portion of the voice data, wherein the second portion of the voice data comprises a second emotional content for a second speaker; and synthesizing synthesized speech using the first portion of the voice data and the second portion of the voice data. 19. The device of claim 16 , wherein the synthesizing of the speech is performed 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.