Université de Neuchâtel

Speaker recognition on compressed speech

Grassi, Sara ; Dufaux, Alain ; Besacier, Laurent ; Ansorge, Michael ; Pellandini, Fausto

In: Proceedings of the International COST 254 Workshop on Friendly Exchanging through the Net, 2000, vol. 254, p. 117-122

We have investigated the influence of GSM speechcoding in the performance of a text-independent speakerrecognition system based on Gaussian Mixture Models(GMM) classifiers.The performance degradation due to the utilization ofthe three GSM speech coders was first assessed, usingthree transcoded databases, obtained by passing theTIMIT through each GSM coder / decoder. The codeddatabases were used...