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Statements

Subject Item
n2:RIV%2F61384984%3A_____%2F05%3A%230000010%21RIV06-MSM-61384984
rdf:type
n11:Vysledek skos:Concept
dcterms:description
Příspěvek představuje 12 fyzikálních mechanismů ovlivňujících vnitřní pnutí v rezonanční desce klavíru. Pnutí jsou rozdělena podle zdroje na klimatická, pracovní a záměrně vložená. Příspěvek na několika konkrétních příkladech demonstruje vliv na zvuk nástroje. Jedná se o vliv podhoblování kobylky, podhoblování přířezů, součinnost klenutí rezonanční desky, změn přetlaku a ladění nástroje, pnutí mezi dýhou a jádrem dýhované rezonanční desky. Piano soundboard properties could be influenced by many techniques. Influences of shape and material properties are combined with internal tensions and influence of surface finishing. Three sources of internal tension were observed. Influence of crowning, veneering and internal forces will be presented with possible sound effects. Crowning as a first source of tension depends on tensions between soundboard plate and ribs. Crowning depends on humidity degree. Resulting string vs. plate overpressure influence on tuning will be presented. Veneering (even without huminity changes) increases soundboard impedance. Different moisture expansion of core and veneer can be cause next strong tension forces. Humidity effects on internal tensions depend on finishingand time. Piano soundboard properties could be influenced by many techniques. Influences of shape and material properties are combined with internal tensions and influence of surface finishing. Three sources of internal tension were observed. Influence of crowning, veneering and internal forces will be presented with possible sound effects. Crowning as a first source of tension depends on tensions between soundboard plate and ribs. Crowning depends on humidity degree. Resulting string vs. plate overpressure influence on tuning will be presented. Veneering (even without huminity changes) increases soundboard impedance. Different moisture expansion of core and veneer can be cause next strong tension forces. Humidity effects on internal tensions depend on finishingand time.
dcterms:title
Piano soundboard - prestressed structure Piano soundboard - prestressed structure Klavírní deska - předpjatá struktura
skos:prefLabel
Piano soundboard - prestressed structure Klavírní deska - předpjatá struktura Piano soundboard - prestressed structure
skos:notation
RIV/61384984:_____/05:#0000010!RIV06-MSM-61384984
n4:strany
63-69
n4:aktivita
n20:P
n4:aktivity
P(1M0531)
n4:dodaniDat
n12:2006
n4:domaciTvurceVysledku
n18:5500273
n4:druhVysledku
n15:D
n4:duvernostUdaju
n8:S
n4:entitaPredkladatele
n9:predkladatel
n4:idSjednocenehoVysledku
536036
n4:idVysledku
RIV/61384984:_____/05:#0000010
n4:jazykVysledku
n13:eng
n4:klicovaSlova
Musical acoustics, piano sound, soundboard
n4:klicoveSlovo
n10:Musical%20acoustics n10:soundboard n10:piano%20sound
n4:kontrolniKodProRIV
[7EAFB086EBF3]
n4:mistoKonaniAkce
Zvolen
n4:mistoVydani
Zvolen
n4:nazevZdroje
Material-Acoustics-Place 2005
n4:obor
n14:BI
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
1
n4:projekt
n5:1M0531
n4:rokUplatneniVysledku
n12:2005
n4:tvurceVysledku
Skala, Jan
n4:typAkce
n16:EUR
n4:zahajeniAkce
2005-01-01+01:00
s:numberOfPages
115
n7:hasPublisher
Technická univerzita vo Zvolene
n17:isbn
80-228-1505-5