No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.
Unexpected intensity changes in the ear canal during a F0
-shifted feedback experimenta)
1. T. A. Burnett, M. B. Freedland, C. R. Larson, and T. C. Hain, “ Voice F0 responses to manipulations in pitch feedback,” J. Acoust. Soc. Am. 103(6), 3153–3161 (1998).
2. T. C. Hain, T. A. Burnett, S. Kiran, C. R. Larson, S. Singh, and M. K. Kenney, “ Instructing subjects to make a voluntary response reveals the presence of two components to the audio-vocal reflex,” Exp. Brain Res. 130(2), 133–141 (2000).
3. C. R. Larson, T. A. Burnett, S. Kiran, and T. C. Hain, “ Effects of pitch-shift velocity on voice F0 responses,” J. Acoust. Soc. Am. 107(1), 559–564 (2000).
4. C. R. Larson, J. Sun, and T. C. Hain, “ Effects of simultaneous perturbations of voice pitch and loudness feedback on voice F0 and amplitude control,” J. Acoust. Soc. Am. 121(5), 2862–2872 (2007).
5. H. Liu and C. R. Larson, “ Effects of perturbation magnitude and voice F0 level on the pitch-shift reflex,” J. Acoust. Soc. Am. 122(6), 3671–3677 (2007).
6. U. Natke and K. T. Kalveram, “ Effects of frequency-shifted auditory feedback on fundamental frequency of long stressed and unstressed syllables,” J. Speech Lang. Hear. Res. 44(3), 577–584 (2001).
7.The customization consisted of removing unnecessary elements from the standard shift program, and adding components to mix in masking noise post-shift, as well as providing for monaural or binaural presentation. The actual pitch shift module was not altered.
8. R. Baken and R. Orlikoff, Clinical Measurement of Speech and Voice, 2nd ed. (Singular, San Diego, CA, 2000).
Article metrics loading...
Effects of frequency-shifted feedback are typically examined using Eventide Harmonizer Series processors to shift the fundamental frequency (F0) of auditory feedback during vocalizations, eliciting compensatory shifts in speaker F0. Recently, unexpected intensity changes were observed in speakers' ear canals, corresponding with F0 shifts. An investigation revealed that feedback time delays introduced by the processor resulted in phase shifts between feedback and unprocessed voice signals radiating into the ear canal via bone conduction, producing combination waves with gains as high as 6 dB. Shifts of this magnitude potentially alter the interpretation of previously published results and should be controlled in future studies.
Full text loading...
Most read this month