Recognising 'Real-life' Speech with SpeM: A Speech-based Computational Model of Human Speech Recognition
Geneva : [S.n.]
Number of pages
InProceedings of Eurospeech 2003, pp. 2285-2288
Eurospeech 2003 conference, Geneve, Zwitserland, 01 september 2003
Article in monograph or in proceedings
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CLST - Centre for Language and Speech Technology
Proceedings of Eurospeech 2003
SubjectCOMIC (Conversational Multimodal Interaction with Computers); Psycholinguistic plausible automatic speech recognition; Speech Technology and Information Processing; Psycholinguïstische plausibele spraakherkenning; Technologie en informatieverwerking
In this paper, we present a novel computational model of human speech recognition - called SpeM - based on the theory underlying Shortlist. We will show that SpeM, in combination with an automatic phone recogniser (APR), is able to simulate the human speech recognition process from the acoustic signal to the ultimate recognition of words. This joint model takes an acoustic speech file as input and calculates the activation flows of candidate words on the basis of the degree of fit of the candidate words with the input. Experiments showed that SpeM outperforms Shortlist on the recognition of 'real-life' input. Furthermore, SpeM performs only slightly worse than an off-the-shelf full-blown automatic speech recogniser in which all words are equally probable, while it provides a transparent computationally elegant paradigm for modelling word activations in human word recognition.
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