Auditory feedback influences human speech production, as demonstrated by studies using rapid pitch and loudness changes. Feedback has also been investigated using the gradual manipulation of formants in adaptation studies with whispered speech. In the work reported here, the first formant of steady-state isolated vowels was unexpectedly altered within trials for voiced speech. This was achieved using a real-time formant tracking and filtering system developed for this purpose. The first formant of vowel was manipulated 100% toward either /æ/ or /I/, and participants responded by altering their production with average F1 compensation as large as 16.3% and 10.6% of the applied formant shift, respectively. Compensation was estimated to begin after stimulus onset. The rapid formant compensations found here suggest that auditory feedback control is similar for both F0 and formants.
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April 2006
April 01 2006
Compensation following real-time manipulation of formants in isolated vowels
David W. Purcell;
David W. Purcell
a)
Department of Psychology,
Queen’s University
, Kingston, Ontario, K7L 3N6, Canada
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Kevin G. Munhall
Kevin G. Munhall
Department of Psychology,
Queen’s University
, Kingston, Ontario, K7L 3N6, Canada
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a)
Author to whom correspondence should be addressed. Electronic-mail: purcelld@nca.uwo.ca
J. Acoust. Soc. Am. 119, 2288–2297 (2006)
Article history
Received:
July 04 2005
Accepted:
January 14 2006
Citation
David W. Purcell, Kevin G. Munhall; Compensation following real-time manipulation of formants in isolated vowels. J. Acoust. Soc. Am. 1 April 2006; 119 (4): 2288–2297. https://doi.org/10.1121/1.2173514
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