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Speaker indexing in large audio databases using anchor models
2001 / IEEE / 0-7803-7041-4
This item was taken from the IEEE Conference ' Speaker indexing in large audio databases using anchor models ' Introduces the technique of anchor modeling in the applications of speaker detection and speaker indexing. The anchor modeling algorithm is refined by pruning the number of models needed. The system is applied to the speaker detection problem where its performance is shown to fall short of the state-of-the-art Gaussian mixture model with universal background model (GMM-UBM) system. However, it is further shown that its computational efficiency lends itself to speaker indexing for searching large audio databases for desired speakers. Here, excessive computation may prohibit the use of the GMM-UBM recognition system. Finally, the paper presents a method for cascading anchor model and GMM-UBM detectors for speaker indexing. This approach benefits from the efficiency of anchor modeling and high accuracy of GMM-UBM recognition.
Large Audio Databases
Gaussian Mixture Model With Universal Background Model System
Hidden Markov Models
Database Management Systems