Handling recordings acquired simultaneously over multiple channels with PLDA

@inproceedings{Lpez2013HandlingRA,
  title={Handling recordings acquired simultaneously over multiple channels with PLDA},
  author={Jes{\'u}s Antonio Villalba L{\'o}pez and Mireia D{\'i}ez and Amparo Varona and Eduardo Lleida},
  booktitle={INTERSPEECH},
  year={2013}
}
In some speaker recognition scenarios we find conversations recorded simultaneously over multiple channels. That is the case of the interviews in the NIST SRE dataset. To take advantage of that, we propose a modification of the PLDA model that considers two different inter-session variability terms. The first term is tied between all the recordings belonging to the same conversation whereas the second is not. Thus, the former mainly intends to capture the variability due to the phonetic content… CONTINUE READING
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