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This paper presents our latest investigations on different features for factored language models for Code-Switching speech and their effect on automatic speech recognition (ASR) performance. We focus on syntactic and semantic features which can be extracted from Code-Switching text data and integrate them into factored language models. Different possible factors, such as words, part-of-speech tags,...
This paper describes how we can combine our previously proposed fast extended Baum-Welch algorithm and generalized discriminative feature transformation to achieve single pass discriminative training, which we only process the data once. Compared to the state of the art training procedure, which uses feature space maximum mutual information (fMMI) and boosted maximum mutual information (BMMI), our...
Our study deals with a Silent Speech Interface based on mapping surface electromyographic (EMG) signals to speech waveforms. Electromyographic signals recorded from the facial muscles capture the activity of the human articulatory apparatus and therefore allow to retrace speech, even when no audible signal is produced. The mapping of EMG signals to speech is done via a Gaussian mixture model (GMM)-based...
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