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Publication
ASRU 2013
Conference paper
The IBM keyword search system for the DARPA RATS program
Abstract
The paper describes a state-of-the-art keyword search (KWS) system in which significant improvements are obtained by using Convolutional Neural Network acoustic models, a two-step speech segmentation approach and a simplified ASR architecture optimized for KWS. The system described in this paper had the best performance in the 2013 DARPA RATS evaluation for both Levantine and Farsi. © 2013 IEEE.