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- W160692212 abstract "In this paper, orthogonal transform-based signal bias removal (OTSBR) approach and RNN prosodic model are proposed for multi-keyword spotting of telephone speech. OTSBR is employed in the pre-processing stage of acoustic decoding and aimed at channel bias estimation to eliminate the acoustic mismatch between training and testing environments. The RNN prosodic model is adopted in the post-processing stage of the acoustic decoding to detect word boundaries for reordering the keyword candidates from the keyword spotter. Simulations on the real speech database collected from the Phone Directory Assistant Service developed in Chunghwa Telecommunication Laboratories (CTL-PDAS) were performed to evaluate the proposed methods. Experimental results showed that 71.0% of keyword detection rate and 81.8% of top 5 keywords inclusion rate can be attained by incorporating OTSBR and RNN prosodic model into the system." @default.
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- W160692212 date "2001-09-03" @default.
- W160692212 modified "2023-09-27" @default.
- W160692212 title "Multi-keyword spotting of telephone speech using orthogonal transform-based SBR and RNN prosodic model" @default.
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- W160692212 doi "https://doi.org/10.21437/eurospeech.2001-649" @default.
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