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1
Using acoustic distance and acoustic absement to quantify lexical competition ...
Matthew C. Kelley; Benjamin V. Tucker. - : University of Alberta Library, 2022
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2
The recognition of spoken pseudowords ...
Matthew C. Kelley; Benjamin V. Tucker. - : University of Alberta Library, 2022
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3
Using acoustic distance and acoustic absement to quantify lexical competition
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4
Perception and timing of acoustic distance
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5
APhL Aligner: A Neural Network Forced-Alignment System
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6
Acoustic absement files
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7
How do words compete? Quantifying lexical competition with acoustic distance ...
Matthew C. Kelley; Benjamin V. Tucker. - : University of Alberta Libraries, 2020
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8
How do words compete? Quantifying lexical competition with acoustic distance
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9
A comparison of four vowel overlap measures
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10
MALD MFCC subset
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11
Assessing head-and-neck cancer patient speech with the vowel dispersion index
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12
Massive auditory lexical decision: Investigating performance in noisy environments
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13
Measuring the dispersion of density in head and neck cancer patients' vowel spaces: The vowel dispersion index
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14
Supplementary files for "A Comparison of Four Vowel Overlap Measures"
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15
A comparison of four vowel overlap measures
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16
Using acoustic distance to quantify lexical competition
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17
How acoustic distinctiveness affects spoken word recognition: A pilot study
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18
Recognition of spoken pseudowords
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19
How do we recognize pseudowords in an audio signal?
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20
A comparison of four vowel overlap metrics
Abstract: 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 tokens. However, there a serveral to choose from, and not much research as been carried out comparing the options. This study presents such a comparison between four proposed quantitative methods for assessing vowel merger: the sepctral overlap assessment metric (Wassink, 2006), the a posteroiri probability-based overlap metric (Morrison, 2008), the vowel overlap with convex hull assesment method (Haynes & Taylor, 2014), and the Pillai score from running a MANOVA (Hay, Warren, & Drager, 2006). A Monte Carlo technique was used to run the measures 1000 times on simulated data sets in each of a variety of potential overlap scenarios. In each tested overlap scenario, the measures were compared to each other in terms of their accuracy (mean absolute error from the desired overlap value) and precision (mean absolute deviation from the median). The performance and shortcomings of each measure are discussed, and the results of the simulations suggest that the a posteriori probability-based overlap metric performs the best overall. A recommendation is then made to use the a posteriori probability- based overlap metric in general cases. Presented at the Alberta Conference on Linguistics 2017 in Edmonton, AB.
Keyword: acoustics; phonetics; vowel overlap; vowels
URL: https://doi.org/10.7939/r3-je5d-q275
https://era.library.ualberta.ca/items/5c6ef7dc-53ef-4c2b-b24d-f5c447016c72
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