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- W2034163273 abstract "We present our system for speech activity detection and speaker localization inside a smart home with multiple rooms equipped with microphone arrays of known geometry and placement. The smart home is developed as part of the DIRHA European funded project, providing both simulated and real data for system development and evaluation, under extremely challenging conditions of noise, reverberation, and speech overlap. Our proposed approach performs speech activity detection first, by employing multi-microphone decision fusion on traditional statistical models and acoustic features, within a Viterbi decoding framework, further assisted by signal energy- and model log-likelihood threshold-based heuristics. Then it performs speaker localization using traditional time-difference of arrival estimation between properly selected microphone pairs, further assisted by a dereverberation component. The system achieves very low detection errors, namely less than 4% (5%) for speech activity detection in the simulated (real) DIRHA corpus, and less than 10% (12%) for joint speech detection and speaker localization." @default.
- W2034163273 created "2016-06-24" @default.
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- W2034163273 date "2014-05-01" @default.
- W2034163273 modified "2023-09-26" @default.
- W2034163273 title "The Athena-RC system for speech activity detection and speaker localization in the DIRHA smart home" @default.
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- W2034163273 doi "https://doi.org/10.1109/hscma.2014.6843273" @default.
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