Tongue reading: comparing the interpretation of visual information from inside the mouth, from electropalatographic and ultrasound displays of speech sounds

Joanne Cleland, Caitlin McCron, James M Scobbie

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Speakers possess a natural capacity for lip reading; analogous to this, there may be an intuitive ability to "tongue-read." Although the ability of untrained participants to perceive aspects of the speech signal has been explored for some visual representations of the vocal tract (e.g. talking heads), it is not yet known to what extent there is a natural ability to interpret speech information presented through two clinical phonetic tools: EPG and ultrasound. This study aimed to determine whether there is any intuitive ability to interpret the images produced by these systems, and to determine whether one tool is more conducive to this than the other. Twenty adults viewed real-time and slow motion EPG and ultrasound silent movies of 10 different linguo-palatal consonants and 4 vowels. Participants selected which segment they perceived from four forced-choice options. Overall, participants scored above chance in the EPG and ultrasound conditions, suggesting that these images can be interpreted intuitively to some degree. This was the case for consonants in both the conditions and for vowels in the EPG condition.

LanguageEnglish
Pages299-311
Number of pages13
JournalClinical linguistics & phonetics
Volume27
Issue number4
DOIs
Publication statusPublished - Apr 2013

Fingerprint

Phonetics
Aptitude
Tongue
Mouth
Reading
interpretation
ability
Lipreading
Motion Pictures
movies
phonetics
Head
Speech Sounds
Ultrasound

Keywords

  • electrodiagnosis
  • sensory feedback
  • female
  • humans
  • male
  • palate
  • phonetics
  • photic stimulation
  • speech intelligibility
  • speech perception
  • speech production measurement
  • tongue
  • ultrasonography
  • young adult

Cite this

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AB - Speakers possess a natural capacity for lip reading; analogous to this, there may be an intuitive ability to "tongue-read." Although the ability of untrained participants to perceive aspects of the speech signal has been explored for some visual representations of the vocal tract (e.g. talking heads), it is not yet known to what extent there is a natural ability to interpret speech information presented through two clinical phonetic tools: EPG and ultrasound. This study aimed to determine whether there is any intuitive ability to interpret the images produced by these systems, and to determine whether one tool is more conducive to this than the other. Twenty adults viewed real-time and slow motion EPG and ultrasound silent movies of 10 different linguo-palatal consonants and 4 vowels. Participants selected which segment they perceived from four forced-choice options. Overall, participants scored above chance in the EPG and ultrasound conditions, suggesting that these images can be interpreted intuitively to some degree. This was the case for consonants in both the conditions and for vowels in the EPG condition.

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KW - speech production measurement

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