Fusing Audio and Video Information for Online Speaker Diarization

J. Schmalenstroeer, M. Kelling, V. Leutnant, R. Haeb-Umbach, in: Interspeech 2009, 2009.

Conference Paper | English
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Abstract
In this paper we present a system for identifying and localizingspeakers using distant microphone arrays and a steerablepan-tilt-zoom camera. Audio and video streams are processedin real-time to obtain the diarization information {grqq}who speakswhen and where'' with low latency to be used in advanced videoconferencing systems or user-adaptive interfaces. A key featureof the proposed system is to first glean information about thespeaker{\rq}s location and identity from the audio and visual datastreams separately and then to fuse these data in a probabilisticframework employing the Viterbi algorithm. Here, visual evidenceof a person is utilized through a priori state probabilities,while location and speaker change information are employedvia time-variant transition probablities. Experiments show thatvideo information yields a substantial improvement comparedto pure audio-based diarization.
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Interspeech 2009
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Schmalenstroeer J, Kelling M, Leutnant V, Haeb-Umbach R. Fusing Audio and Video Information for Online Speaker Diarization. In: Interspeech 2009. ; 2009.
Schmalenstroeer, J., Kelling, M., Leutnant, V., & Haeb-Umbach, R. (2009). Fusing Audio and Video Information for Online Speaker Diarization. Interspeech 2009.
@inproceedings{Schmalenstroeer_Kelling_Leutnant_Haeb-Umbach_2009, title={Fusing Audio and Video Information for Online Speaker Diarization}, booktitle={Interspeech 2009}, author={Schmalenstroeer, Joerg and Kelling, Martin and Leutnant, Volker and Haeb-Umbach, Reinhold}, year={2009} }
Schmalenstroeer, Joerg, Martin Kelling, Volker Leutnant, and Reinhold Haeb-Umbach. “Fusing Audio and Video Information for Online Speaker Diarization.” In Interspeech 2009, 2009.
J. Schmalenstroeer, M. Kelling, V. Leutnant, and R. Haeb-Umbach, “Fusing Audio and Video Information for Online Speaker Diarization,” 2009.
Schmalenstroeer, Joerg, et al. “Fusing Audio and Video Information for Online Speaker Diarization.” Interspeech 2009, 2009.
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