Overtone focusing in biphonic tuvan throat singing
| dc.date.accessioned | 2025-02-07T19:21:01Z | |
| dc.date.available | 2025-02-07T19:21:01Z | |
| dc.date.issued | 2020-02-17 | |
| dc.description.abstract | Khoomei is a unique singing style originating from the republic of Tuva in central Asia. Singers produce two pitches simultaneously: a booming low-frequency rumble alongside a hovering high-pitched whistle-like tone. The biomechanics of this biphonation are not well-understood. Here, we use sound analysis, dynamic magnetic resonance imaging, and vocal tract modeling to demonstrate how biphonation is achieved by modulating vocal tract morphology. Tuvan singers show remarkable control in shaping their vocal tract to narrowly focus the harmonics (or overtones) emanating from their vocal cords. The biphonic sound is a combination of the fundamental pitch and a focused filter state, which is at the higher pitch (1–2 kHz) and formed by merging two formants, thereby greatly enhancing sound-production in a very narrow frequency range. Most importantly, we demonstrate that this biphonation is a phenomenon arising from linear filtering rather than from a nonlinear source. | |
| dc.description.sponsorship | Support from York University, the Fields Institute for Research in Mathematical Sciences, and the Kavli Institute of Theoretical Physics is also gratefully acknowledged. CB was supported by the Natural Sciences and Engineering Research Council of Canada (NSERC) Grant RGPIN-430761–2013. | |
| dc.identifier.citation | Bergevin, C., Narayan, C., Williams, J., Mhatre, N., Steeves, J. K. E, Bernstein, J. G. W., & Story, B. (2020). Overtone focusing in biphonic tuvan throat singing. eLife, 9. https://doi.org/10.7554/eLife.50476 | |
| dc.identifier.uri | https://doi.org/10.7554/eLife.50476 | |
| dc.identifier.uri | https://hdl.handle.net/10315/42630 | |
| dc.language.iso | en | |
| dc.publisher | eLife Sciences Publications, Ltd | |
| dc.rights | Attribution 4.0 International | en |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
| dc.title | Overtone focusing in biphonic tuvan throat singing | |
| dc.type | Article |
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