Year of Graduation
Consonant Perception under Eating Condition (with full mouth)
Fundamental and Computational Linguistics
The speech perception process is complex and is not fully understood yet by scientists. Recent developments in this field have shown that there are a lot of cues used by a person in the process of speech recognition. However, there is yet no phonetic research that would describe everyday life conditions that are hampered (eating or mouthful conditions). Usually, scientists investigate situations of speech perception, if there are some issues with the channel (noise, etc.) or with brain activity (aphasia, etc.). In current study for the first time the investigation concerns issues in the area of the speech generation. The hypothesis of this paper was that velar and dental consonants can be perceived as velar sounds under special conditions. The assumption was that if speakers are forced to pronounce the words with full mouth, they would compensate lack of ability to use the front part by using the velar zone, for some sounds. With the help of the experiment, in which participants were instructed to compare stimuli which form minimal pairs and decide, if they are one word or two, the hypothesis was rejected. The analysis of the data revealed that such factors as linguistic education (linguists had more responses that there are two different words), type of hampered condition (the hardest condition was with liquid, the easiest was with soft food), number of foreign languages learned (the less foreign languages the respondent knew, the more often he thought stimuli pairs to be the same word) and length of the word influence the respondents' answers (subjects evaluated monosyllable pair as two different words more often). The findings of the research illuminated understanding of speech perception process and can be used in creating automatic speech recognition systems. Moreover, the results can serve as material for the compilation of exercises on articulation.