5. The method as in claim 1 , where the pre-recorded speech segments are pre-recorded by a process that comprises designating one speaker as a target speaker, examining an input speech segment to determine if it is similar to a corresponding speech segment of the target speaker and, if it is not, modifying at least one characteristic of the input speech segment to make it more similar to the corresponding speech segment of the target speaker.
5. The method as in claim 1 , where the pre-recorded speech segments are pre-recorded by a process that comprises designating one speaker as a target speaker, examining an input speech segment to determine if it is similar to a corresponding speech segment of the target speaker and, if it is not, modifying at least one characteristic of the input speech segment to make it more similar to the corresponding speech segment of the target speaker. 6. The method as in claim 5 , where modifying comprises altering at least one of a temporal or a spectral characteristic of the input speech segment.