Can a guitar gently weep? How instruments can express human emotion

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Photo by Larisa Birta on Unsplash
Photo by Larisa Birta on Unsplash

We may pick up on emotions from instrumental music because it mimics how emotions are expressed in human speech, according to international research. The researchers used a computer model to simulate specific inflections associated with emotions - 'smiling', 'vocal tremor' for trembling and 'vocal roughness' for screaming. They applied these inflections to instrumental music, and study participants were able to perceive the intended emotions when listening. 

Media release

From: The Royal Society

Even violins can cry: specifically vocal emotional behaviours also drive the perception of emotions in non-vocal music

Artificially manipulating music can alter the emotions we perceive. This study used a computational model to simulate vocal emotional behaviours - ‘smiling’, ‘vocal tremor’ and ‘vocal roughness’ and applied them to non-vocal music to study the emotions perceived by the participants. The manipulations, when done on purely instrumental material, triggered emotional perceptions like those observed in speech and screaming. Even violins can cry, or at least sound positive when ‘smiling’ and negative when ‘trembling’ or ‘screaming’. 

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Research The Royal Society, Web page The URL will go live after the embargo ends
Journal/
conference:
Philosophical Transactions of the Royal Society B
Research:Paper
Organisation/s: Sorbonne Université, France
Funder: This study was funded by a European Research Council Starting Grant (CREAM 335634), an Agence Nationale de la Recherche grant (REFLETS, SEPIA), and Fondation Pour l’Audition (FPA RD-2018-2).
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