Visual speech primes open-set recognition of spoken words

Effects of open-set and closed-set task demands on spoken word recognition.

Closed-set tests of spoken word recognition are frequently used in clinical settings to assess the speech discrimination skills of hearing-impaired listeners, particularly children. Speech scientists have reported robust effects of lexical competition and talker variability in open-set tasks but not closed-set tasks, suggesting that closed-set tests of spoken word recognition may not be valid a...

A Set of Mesh Features for Automatic Visual Speech Recognition

This paper proposes three types of mesh features to analyze the lip movements of the speakers, which show much of spatio-temporal variability. These features are extracted from the region of interest around the lips, which is divided into the same shape meshes, the overlapping meshes considering the boundary problem, or the variable shape meshes properly reflecting the characteristic lip moveme...

Visual recognition of permuted words

In current study we examine how letter permutation affects in visual recognition of words for two orthographically dissimilar languages, Urdu∗ and German. We present the hypothesis that recognition or reading of permuted and non-permuted words are two distinct mental level processes, and that people use different strategies in handling permuted words as compared to normal words. A comparison be...

Recognition of spoken words in the continuous speech: effects of transitional probability

Do Cantonese listeners really use phonotactics information in the segmentation process of Cantonese continuous speech? Because some phoneme transitions across Cantonese syllables occur much more often than the others, the transitional probability may cue the locations of possible syllable boundaries in Cantonese speech. Two syllable-spotting experiments were conducted. Results clearly indicated...

Speaker Independent Speech Recognition Using Hidden Markov Models for Persian Isolated Words