Biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla

At the turn of the third millennium, scientists and experts of many countries are still trying to puzzle out ‘the mystery of Stradivari’, using for this purpose advanced technological solutions in the fi elds of physics, mathematics, chemistry, biology, etc. It has been undoubtedly proved that one o...

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Autores principales:	Vladimir Ilich Fedyukov, Tatiana Alexandrovna Makarieva, Ekaterina Yurevna Saldaeva, Ekaterina Mikhailovna Tsvetkova
Formato:	article
Lenguaje:	EN
Publicado:	University of Zagreb, Faculty of Forestry and Wood Technology 2016
Materias:	spruce tree sounding wood shock device acoustic response impedance vibration absorbing frequency histogram Forestry SD1-669.5
Acceso en línea:	https://doaj.org/article/61d26c9e78cb454fa93c2abdf1693710
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spelling	oai:doaj.org-article:61d26c9e78cb454fa93c2abdf16937102021-12-02T01:48:15ZBiofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla10.5552/drind.2016.15140012-67721847-1153https://doaj.org/article/61d26c9e78cb454fa93c2abdf16937102016-09-01T00:00:00Zhttp://hrcak.srce.hr/file/246137https://doaj.org/toc/0012-6772https://doaj.org/toc/1847-1153At the turn of the third millennium, scientists and experts of many countries are still trying to puzzle out ‘the mystery of Stradivari’, using for this purpose advanced technological solutions in the fi elds of physics, mathematics, chemistry, biology, etc. It has been undoubtedly proved that one of the basic secrets of the great master’s violin sounding is in the recognition of the proper material. Unfortunately, Stradivari, Amati, Guarneri and other great representatives of the Old Italian school did not leave any hints, but it has been recorded that they selected wood for the string-plate, the main sounding part of a violin, by tapping, and they designed an instrument judging from the ‘sonority’ factors known to them only. Using modern scientific terms, it is possible to ascertain that it was the professional skill of the master to decode the percussion-acoustic response of the source material that predetermined the quality of the product. The results of the work done cannot claim to disclose any secrets in the field. For this purpose, significant complex research is necessary, both fundamental and applied, integrating the efforts of scientists and experts in different areas: physicists, acousticians, wood scientists, foresters and, the main thing, the recognized masters in the sphere of manufacturing corresponding musical instruments. This paper presents the fi rst results of implementing the technique based on the excitation of fl uctuations of a trunk by a special shock device with further recording, decoding and analyzing acoustic response, matching it with the conditions of growth and general morphology of a tree, i.e. its size, crown form and length, trunk habit, etc. As such a work does not have any analogues and, consequently, there is no ‘acoustic standard’ of a sounding tree for the moment, the data obtained were analyzed in accordance with general provisions of acoustic diagnostics. Thus, the basic acoustic parameters accepted are vibrating activity, power consumption of spectral characteristics, amount of resonance peaks, vibration absorbing and damping, frequency distribution of a spectrum.Vladimir Ilich FedyukovTatiana Alexandrovna MakarievaEkaterina Yurevna SaldaevaEkaterina Mikhailovna TsvetkovaUniversity of Zagreb, Faculty of Forestry and Wood Technologyarticlespruce treesounding woodshock deviceacoustic responseimpedancevibration absorbingfrequencyhistogramForestrySD1-669.5ENDrvna Industrija, Vol 67, Iss 3, Pp 281-288 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	spruce tree sounding wood shock device acoustic response impedance vibration absorbing frequency histogram Forestry SD1-669.5
spellingShingle	spruce tree sounding wood shock device acoustic response impedance vibration absorbing frequency histogram Forestry SD1-669.5 Vladimir Ilich Fedyukov Tatiana Alexandrovna Makarieva Ekaterina Yurevna Saldaeva Ekaterina Mikhailovna Tsvetkova Biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla
description	At the turn of the third millennium, scientists and experts of many countries are still trying to puzzle out ‘the mystery of Stradivari’, using for this purpose advanced technological solutions in the fi elds of physics, mathematics, chemistry, biology, etc. It has been undoubtedly proved that one of the basic secrets of the great master’s violin sounding is in the recognition of the proper material. Unfortunately, Stradivari, Amati, Guarneri and other great representatives of the Old Italian school did not leave any hints, but it has been recorded that they selected wood for the string-plate, the main sounding part of a violin, by tapping, and they designed an instrument judging from the ‘sonority’ factors known to them only. Using modern scientific terms, it is possible to ascertain that it was the professional skill of the master to decode the percussion-acoustic response of the source material that predetermined the quality of the product. The results of the work done cannot claim to disclose any secrets in the field. For this purpose, significant complex research is necessary, both fundamental and applied, integrating the efforts of scientists and experts in different areas: physicists, acousticians, wood scientists, foresters and, the main thing, the recognized masters in the sphere of manufacturing corresponding musical instruments. This paper presents the fi rst results of implementing the technique based on the excitation of fl uctuations of a trunk by a special shock device with further recording, decoding and analyzing acoustic response, matching it with the conditions of growth and general morphology of a tree, i.e. its size, crown form and length, trunk habit, etc. As such a work does not have any analogues and, consequently, there is no ‘acoustic standard’ of a sounding tree for the moment, the data obtained were analyzed in accordance with general provisions of acoustic diagnostics. Thus, the basic acoustic parameters accepted are vibrating activity, power consumption of spectral characteristics, amount of resonance peaks, vibration absorbing and damping, frequency distribution of a spectrum.
format	article
author	Vladimir Ilich Fedyukov Tatiana Alexandrovna Makarieva Ekaterina Yurevna Saldaeva Ekaterina Mikhailovna Tsvetkova
author_facet	Vladimir Ilich Fedyukov Tatiana Alexandrovna Makarieva Ekaterina Yurevna Saldaeva Ekaterina Mikhailovna Tsvetkova
author_sort	Vladimir Ilich Fedyukov
title	Biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla
title_short	Biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla
title_full	Biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla
title_fullStr	Biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla
title_full_unstemmed	Biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla
title_sort	biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla
publisher	University of Zagreb, Faculty of Forestry and Wood Technology
publishDate	2016
url	https://doaj.org/article/61d26c9e78cb454fa93c2abdf1693710
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Biofizikalni temelji vibroakustične dijagnostike zvučnosti rastućeg stabla

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