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Primate of the opera: What soprano singing apes on helium reveal about the human voice
Date:8/22/2012

" said Dr Nishimura. "Our speech was thought to have evolved through specific modifications in our vocal anatomy. However, we've shown how the gibbons' distinctive song uses the same vocal mechanics as soprano singers, revealing a fundamental similarity with humans."

To explore these similarities the team conducted the first acoustic investigation on non-human primates using helium gas. The gas is famous for making human voices appear high pitched by shifting the resonance frequencies of the vocal tract upwards. The gas is useful for studying animal vocal mechanisms as it increases sound velocity and resonance frequencies.


Contact: Ben Norman
Sciencenewsroom@wiley.com
44-012-437-70375
Wiley
Source:Eurekalert

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