Speaker verification based on Cohort Similarity
Jinlin Wang · Microcomputer Information · 2009
In this paper, a new similarity based on a Cohort is proposed, which will reduce the affection caused by the mismatch o recording environment by choosing M most similar speakers' Models from Cohort as a supplement of the target speaker. At the end of this paper, the experiment showed that the method of Cohort Similarity improved the performance about 15% relatively compared to traditional GMM-UBM systems.