Detail publikace

Finding the Most Uniform Changes in Vowel Polygon Caused by Psychological Stress

Originální název

Finding the Most Uniform Changes in Vowel Polygon Caused by Psychological Stress

Anglický název

Finding the Most Uniform Changes in Vowel Polygon Caused by Psychological Stress

Jazyk

en

Originální abstrakt

Using vowel polygons, exactly their parameters, is chosen as the criterion for achievement of differences between normal state of speaker and relevant speech under real psychological stress. All results were experimentally obtained by created software for vowel polygon analysis applied on ExamStress database. Selected 6 methods based on cross-correlation of different features were classified by the coefficient of variation and for each individual vowel polygon, the efficiency coefficient marking the most significant and uniform differences between stressed and normal speech were calculated. As the best method for observing generated differences resulted method considered mean of cross-correlation values received for difference area value with vector length and angle parameter couples. Generally, best results for stress detection are achieved by vowel triangles created by /i/-/o/- /u/ and /a/-/i/-/o/ vowel triangles in formant planes containing the fifth formant F5 combined with other formants

Anglický abstrakt

Using vowel polygons, exactly their parameters, is chosen as the criterion for achievement of differences between normal state of speaker and relevant speech under real psychological stress. All results were experimentally obtained by created software for vowel polygon analysis applied on ExamStress database. Selected 6 methods based on cross-correlation of different features were classified by the coefficient of variation and for each individual vowel polygon, the efficiency coefficient marking the most significant and uniform differences between stressed and normal speech were calculated. As the best method for observing generated differences resulted method considered mean of cross-correlation values received for difference area value with vector length and angle parameter couples. Generally, best results for stress detection are achieved by vowel triangles created by /i/-/o/- /u/ and /a/-/i/-/o/ vowel triangles in formant planes containing the fifth formant F5 combined with other formants

BibTex


@article{BUT113975,
  author="Miroslav {Staněk} and Milan {Sigmund}",
  title="Finding the Most Uniform Changes in Vowel Polygon Caused by Psychological Stress",
  annote="Using vowel polygons, exactly their parameters,
is chosen as the criterion for achievement of differences
between normal state of speaker and relevant speech under
real psychological stress. All results were experimentally
obtained by created software for vowel polygon analysis
applied on ExamStress database. Selected 6 methods based
on cross-correlation of different features were classified by
the coefficient of variation and for each individual vowel
polygon, the efficiency coefficient marking the most
significant and uniform differences between stressed and
normal speech were calculated. As the best method for
observing generated differences resulted method
considered mean of cross-correlation values received for
difference area value with vector length and angle
parameter couples. Generally, best results for stress
detection are achieved by vowel triangles created by /i/-/o/-
/u/ and /a/-/i/-/o/ vowel triangles in formant planes
containing the fifth formant F5 combined with other
formants",
  chapter="113975",
  doi="10.13164/re.2015.0604",
  howpublished="print",
  number="2",
  volume="24",
  year="2015",
  month="june",
  pages="604--609",
  type="journal article in Web of Science"
}