An ultrasound pilot study of North American English /r/ production in one typically developing english-speaking monolingual child
Keywords:Ultrasonic imaging, Video cameras, North American, Pilot studies, Ultrasound imaging, Video image
AbstractA study showing an articulatory study of North American English productions of one typically developing child is presented. The current study uses ultrasound imaging to investigate the articulations of one typically-developing North American English-speaking monolingual child, aged 4:3. The experiment was conducted in a soundproof booth and consisted of one 45-minute session that included four short recordings, each approximately five minutes in length. The participant was seated on her mother's lap during recording and a hand-held transducer was placed gently under her chin to capture mid-sagitial views of the tongue during speech. Video recorded with a USB video camera, and UltraSpeech software was used to capture ultrasound and video images, at a rate of 30 fps. The participant accurately named all target items with the exception of 'crow,' which was identified as 'bird' and included as a syllabic token.
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