A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit <a rel="external noopener" href="https://www.isca-speech.org/archive/pdfs/interspeech_2019/khoury19_interspeech.pdf">the original URL</a>. The file type is <code>application/pdf</code>.
<a target="_blank" rel="noopener" href="https://fatcat.wiki/container/trpytsxgozamtbp7emuvz2ypra" style="color: black;">Interspeech 2019</a>
This paper summarizes Pindrop Labs' submission to the multitarget speaker detection and identification challenge evaluation (MCE 2018). The MCE challenge is geared towards detecting blacklisted speakers (fraudsters) in the context of call centers. Particularly, it aims to answer the following two questions: Is the speaker of the test utterance on the blacklist? If so, which speaker is it among the blacklisted speakers? While one single system can answer both questions, this work looks at them<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.21437/interspeech.2019-3179">doi:10.21437/interspeech.2019-3179</a> <a target="_blank" rel="external noopener" href="https://dblp.org/rec/conf/interspeech/KhouryLVSN19.html">dblp:conf/interspeech/KhouryLVSN19</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ogri7kw43zc7dgq3s7n5jn43ta">fatcat:ogri7kw43zc7dgq3s7n5jn43ta</a> </span>
more »... two separate tasks: blacklist detection and closed-set identification. The former is addressed using four different systems including probabilistic linear discriminant analysis (PLDA), two deep neural network (DNN) based systems, and a simple system based on cosine similarity and logistic regression. The latter is addressed by combining PLDA and neural network based systems. The proposed system was the best performing system at the challenge on both tasks, reducing the blacklist detection error (Top-S EER) by 31.9% and the identification error (Top-1 EER) by 46.4% over the MCE baseline on the evaluation data.
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