Acoustic measurements and digital image processing suggest a link between sound rituals and sacred sites in northern Finland

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Rainio , R , Lahelma , A , Äikäs , T , Lassfolk , K & Okkonen , J 2017 , ' Acoustic measurements and digital image processing suggest a link between sound rituals and sacred sites in northern Finland ' , Journal of Archaeological Method and Theory , vol. 25 , no. 2 , pp. 453-474 . https://doi.org/10.1007/s10816-017-9343-1

Title: Acoustic measurements and digital image processing suggest a link between sound rituals and sacred sites in northern Finland
Author: Rainio, Riitta; Lahelma, Antti; Äikäs, Tiina; Lassfolk, Kai; Okkonen, Jari
Other contributor: University of Helsinki, Department of Philosophy, History, Culture and Art Studies 2010-2017
University of Helsinki, Archaeology
University of Helsinki, Musicology


Date: 2017-07-17
Language: eng
Number of pages: 22
Belongs to series: Journal of Archaeological Method and Theory
ISSN: 1072-5369
DOI: https://doi.org/10.1007/s10816-017-9343-1
URI: http://hdl.handle.net/10138/328408
Abstract: In northern Finland, near the canyon lakes of Julma-Ölkky, Somerjärvi and Rotkojärvi, steep rock cliffs produce distinctive acoustic spaces. On these cliffs, prehistoric rock paintings (5200 to 1000 BC) as well as an ancient Sámi offering site (circa 1100 to present) can be found. Ethnographic sources describe that the Sámi used to sing and listen to echoes while making offerings there. This article presents the results of an archaeoacoustic research project that seeks to explore the role of sound in the development and use of these archaeological sites. The innovative set of methods includes multichannel impulse response recording, angle-of-arrival estimation of early reflections, spectrum analysis, digital image processing and 3D laser scanning. On the basis of the analyses, it is concluded that the cliffs that have been painted or held as sacred are efficient sound reflectors. They create discrete echoes and, accordingly, phantom sound sources. Especially at the Värikallio cliff near Lake Somerjärvi, the sound appears to emanate directly from the painted figures. These results, together with previously unnoticed drumming figures in the Värikallio painting, provide a clue to the significance of the sound rituals at these sacred sites.
Subject: 615 History and Archaeology
Rock art
Archaeoacoustics
Rituals
Northern Europe
6131 Theatre, dance, music, other performing arts
Sound archaeology
Rituals
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