Search
Skip to Search Results-
2017-01-01
The overlap of vowel categories is a fairly common linguistic phenomenon. But, it can be difficult to judge whether two supposedly distinct vowel categories have merged or not. One tool that a researcher may use is a quantification of the overlap based on acoustic properties of recorded vowel...
-
2021-12-03
Matthew C. Kelley, Scott James Perry, Benjamin V. Tucker
Forced alignment is increasingly used in phonetics to automatically produce boundaries between words and phones. These boundaries can have significant errors and are often only placed at some predetermined time interval, like every 10 ms. We discuss some potential remedies to these difficulties...
-
2019-12-04
Matthew C. Kelley, Daniel Aalto
The present study uses a measure of the dispersion of density throughout the vowel space—called the vowel dispersion index—to assess speech patterns in head-and-neck cancer patients. The vowel dispersion index is based on calculating the total variation of the density values in Story and Bunton’s...
-
2020-12-01
Matthew C. Kelley, Benjamin V. Tucker
Research on speech perception and lexical access often uses the activation and competition metaphor to describe the process of spoken word recognition. One way of expressing competition associated with a given word is its phonological neighborhood density, which is a calculation of similarity....
-
Perception and timing of acoustic distance
2021-11-06
Matthew C. Kelley, Benjamin V. Tucker
The notion of acoustic distance figures into many aspects of phonetics, including phonological neighborhoods. A measurement of word-level acoustic distance useful for cognitive modeling must account for two aspects of perception: listener sensitivity to acoustic differences and the duration...
-
How acoustic distinctiveness affects spoken word recognition: A pilot study
2018-09-01
In the present study, I propose an acoustically-based alternative to phonological neighborhood density. Phonological neighborhood density has been used in many studies as an approximate quantification of lexical competition during spoken word recognition. However, phonological neighborhood...
-
2019-05-01
Matthew C. Kelley, Benjamin V. Tucker
Measures of vowel overlap explore the acoustic similarity between proposed and existing vowel categories. They typically compare F1 and F2, and sometimes duration. In the present study, we investigate four methods of quantifying vowel overlap: the spectral overlap assessment metric (Wassink,...
-
2017-10-20
Matthew C. Kelley, Benjamin V. Tucker
bBoiA sizable number of phonetic and psycholinguistic experiments have been conducted to investigate the recognition of real words. From this work, researchers have found that various characteristics of lexical items affect the recognition process, such as lexical frequency, phonotactic...