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Modelling fine-phonetic detail in a computational model of word recognition

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Citation

Scharenborg, O. (2008). Modelling fine-phonetic detail in a computational model of word recognition. In INTERSPEECH 2008 - 9th Annual Conference of the International Speech Communication Association (pp. 1473-1476). ISCA Archive.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-D1FD-A
Abstract
There is now considerable evidence that fine-grained acoustic-phonetic detail in the speech signal helps listeners to segment a speech signal into syllables and words. In this paper, we compare two computational models of word recognition on their ability to capture and use this finephonetic detail during speech recognition. One model, SpeM, is phoneme-based, whereas the other, newly developed Fine- Tracker, is based on articulatory features. Simulations dealt with modelling the ability of listeners to distinguish short words (e.g., ‘ham’) from the longer words in which they are embedded (e.g., ‘hamster’). The simulations with Fine- Tracker showed that it was, like human listeners, able to distinguish between short words from the longer words in which they are embedded. This suggests that it is possible to extract this fine-phonetic detail from the speech signal and use it during word recognition.