17. A computer-readable storage device having instructions stored which, when executed by the computing device, result in the computing device performing operations comprising: receiving, on the computing device, text from a user for conversion to speech via a text-to-speech process; identifying a primary speech segment in a primary speech database which does not meet a need of a text-to-speech process; identifying a replacement speech segment which satisfies the need in a secondary speech database; and adding replacement speech segment to the primary database such that the primary database meets the need of the text-to-speech process.
17. A computer-readable storage device having instructions stored which, when executed by the computing device, result in the computing device performing operations comprising: receiving, on the computing device, text from a user for conversion to speech via a text-to-speech process; identifying a primary speech segment in a primary speech database which does not meet a need of a text-to-speech process; identifying a replacement speech segment which satisfies the need in a secondary speech database; and adding replacement speech segment to the primary database such that the primary database meets the need of the text-to-speech process. 18. The computer-readable storage device of claim 17 , having additional instructions stored which, when executed by the computing device, result in operations comprising generating, via the computing device, speech using the replacement speech segment from the primary speech database.