| Paper: | SLP-P14.9 | ||
| Session: | Speaker Recognition: Models and Methods | ||
| Time: | Thursday, May 18, 14:00 - 16:00 | ||
| Presentation: | Poster | ||
| Topic: | Speech and Spoken Language Processing: Speaker Verification | ||
| Title: | IMPROVED GMM-UBM/SVM FOR SPEAKER VERIFICATION | ||
| Authors: | Minghui Liu, Beiqian Dai, Yanlu Xie, Zhiqiang Yao, University of Science and Technology of China, China | ||
| Abstract: | This paper combines Gaussian Mixture Model-Universal Background Model (GMM-UBM) and Support Vector Machine (SVM) through post processing the GMM-UBM scores of different dimension feature parameter with SVM in speaker verification. Because different dimension feature makes different contribution to recognition performance and SVM has good discriminability, this combining approach yields significant performance improvements on decision-making. Experiments on text-independent speaker verification in NIST'05 8conv4w-1conv4w data showed that the actual detection cost function (DCF) of the test system was reduced to 0.0290 from 0.0343. | ||
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