3. The method in accordance with claim 1 further comprising: determining a first threshold defined in response to a speaker-normalized score minimizing the False Acceptance (PFA); and determining a second threshold defined in response to a text-dependent speaker verification score minimizing the False Rejection (PFR).
3. The method in accordance with claim 1 further comprising: determining a first threshold defined in response to a speaker-normalized score minimizing the False Acceptance (PFA); and determining a second threshold defined in response to a text-dependent speaker verification score minimizing the False Rejection (PFR). 4. The method in accordance with claim 3 further comprising determining a decision tree classification scoring function in response to the first threshold and the second threshold as applied to a plurality of speaker scores of the speaker in a scoring trial.