The sabin (or more precisely the square foot sabin) is a unit of sound absorption, used for expressing the total effective absorption for the interior of a room. Sound absorption can be expressed in terms of the percentage of energy absorbed compared with the percentage reflected. It can also be expressed as a coefficient, with a value of 1.00 representing a material which absorbs 100% of the energy, and a value of 0.00 meaning all the sound is reflected. The total absorption A in metric sabins for a room containing many types of surface is given by
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| - Sabin (unitat) (ca)
- Sabin (jednotka) (cs)
- Sabin (Einheit) (de)
- Sabin (eenheid) (nl)
- Sabin (unit) (en)
- Sabin (unidade) (pt)
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| - En acústica el sabin és una unitat d'absorció. Equival a l'absorció produïda per un peu quadrat d'una superfície totalment absorbent (coeficient d'absorció=1). Es fa servir també el sabin mètric, definit com l'absorció produïda per un metre quadrat d'una superfície totalment absorbent. El sabin rep el seu nom del físic nord-americà Wallace Clement Sabine. (ca)
- Sabin je jednotka zvukové absorpce (zvukové pohltivosti). (cs)
- De sabin is de eenheid voor geluidsabsorptie. Eén vierkante meter van 100 procent absorberend materiaal heeft de waarde van 1 sabin. Deze natuurkundige eenheid is genoemd naar de Amerikaanse natuurkundige Wallace Clement Sabine (1868-1919). Het equivalente absorptieoppervlak van een ruimte met deeloppervlakken Si kan worden berekend als: A = S1 α1 + S2 α2 + ... + Sn αn = Σ Si αi met daarin A = equivalente absorptieoppervlak van een ruimte (m2 sabin)Sn = oppervlakte van deeloppervlak (m2)αn = absorptiecoëfficiënt van het deeloppervlak (sabin) (nl)
- O Sabin é definido como unidade de absorção do som. Um metro quadrado de um material 100% absorvente tem o valor de um m² Sabin. A unidade foi assim nomeada em homenagem ao engenheiro acústico estadounidense Wallace Clement Sabine. A absorção total de uma sala em Sabins (Sa) pode ser assim calculada: A=S1α1+S2α2+...+Snαn=ΣSiαi, onde A = a absorção do quarto (m2 sabin) Sn = área superficial do material (m2) (p. ex. vidro, aço, concreto) αn = coeficiente de absorção do material (tabelado) (pt)
- Das Sabin, benannt nach dem amerikanischen Physiker Wallace Clement Sabine, ist die Maßeinheit für das Schall-Absorptionsvermögen einer Oberfläche in der Raumakustik: mit
* dem dimensionslosen Schallabsorptionsgrad des Materials
* der geometrischen Oberfläche des Materials in . Daraus folgt: In den USA wird das Sabin nicht auf Quadratmeter, sondern auf Quadratfuß bezogen, daher findet sich häufig die Angabe „m² Sabin“ bzw. „ft² Sabin“: 1 ft² Sabin = 0.09290304 m² Sabin (de)
- The sabin (or more precisely the square foot sabin) is a unit of sound absorption, used for expressing the total effective absorption for the interior of a room. Sound absorption can be expressed in terms of the percentage of energy absorbed compared with the percentage reflected. It can also be expressed as a coefficient, with a value of 1.00 representing a material which absorbs 100% of the energy, and a value of 0.00 meaning all the sound is reflected. The total absorption A in metric sabins for a room containing many types of surface is given by (en)
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| - En acústica el sabin és una unitat d'absorció. Equival a l'absorció produïda per un peu quadrat d'una superfície totalment absorbent (coeficient d'absorció=1). Es fa servir també el sabin mètric, definit com l'absorció produïda per un metre quadrat d'una superfície totalment absorbent. El sabin rep el seu nom del físic nord-americà Wallace Clement Sabine. (ca)
- Sabin je jednotka zvukové absorpce (zvukové pohltivosti). (cs)
- Das Sabin, benannt nach dem amerikanischen Physiker Wallace Clement Sabine, ist die Maßeinheit für das Schall-Absorptionsvermögen einer Oberfläche in der Raumakustik: mit
* dem dimensionslosen Schallabsorptionsgrad des Materials
* der geometrischen Oberfläche des Materials in . Daraus folgt:
* ein Quadratmeter Material, dessen Schallabsorptionsgrad 100 % beträgt, hat einen Wert von 1 Sabin bzw. von 1 m² Sabin
* ein Quadratmeter Material, dessen Schallabsorptionsgrad 50 % beträgt, hat einen Wert von 0,5 m² Sabin
* ein halber Quadratmeter Material, dessen Schallabsorptionsgrad 100 % beträgt, hat ebenfalls einen Wert von 0,5 m² Sabin. In den USA wird das Sabin nicht auf Quadratmeter, sondern auf Quadratfuß bezogen, daher findet sich häufig die Angabe „m² Sabin“ bzw. „ft² Sabin“: 1 ft² Sabin = 0.09290304 m² Sabin (de)
- The sabin (or more precisely the square foot sabin) is a unit of sound absorption, used for expressing the total effective absorption for the interior of a room. Sound absorption can be expressed in terms of the percentage of energy absorbed compared with the percentage reflected. It can also be expressed as a coefficient, with a value of 1.00 representing a material which absorbs 100% of the energy, and a value of 0.00 meaning all the sound is reflected. The concept of a unit for absorption was first suggested by American physicist Wallace Clement Sabine, the founder of the field of architectural acoustics. He defined the "open-window unit" as the absorption of 1 square foot (0.093 m2) of open window. The unit was renamed the sabin after Sabine, and it is now defined as "the absorption due to unit area of a totally absorbent surface". Sabins may be calculated with either imperial or metric units. One square foot of 100% absorbing material has a value of one imperial sabin, and 1 square metre of 100% absorbing material has a value of one metric sabin. The total absorption A in metric sabins for a room containing many types of surface is given by where S1, S2, ..., Sn are the areas of the surfaces in the room (m2)and α1, α2, ..., αn are the absorption coefficients of the surfaces. Sabins are used in calculating the reverberation time of concert halls, lecture theatres, and recording studios. (en)
- De sabin is de eenheid voor geluidsabsorptie. Eén vierkante meter van 100 procent absorberend materiaal heeft de waarde van 1 sabin. Deze natuurkundige eenheid is genoemd naar de Amerikaanse natuurkundige Wallace Clement Sabine (1868-1919). Het equivalente absorptieoppervlak van een ruimte met deeloppervlakken Si kan worden berekend als: A = S1 α1 + S2 α2 + ... + Sn αn = Σ Si αi met daarin A = equivalente absorptieoppervlak van een ruimte (m2 sabin)Sn = oppervlakte van deeloppervlak (m2)αn = absorptiecoëfficiënt van het deeloppervlak (sabin) (nl)
- O Sabin é definido como unidade de absorção do som. Um metro quadrado de um material 100% absorvente tem o valor de um m² Sabin. A unidade foi assim nomeada em homenagem ao engenheiro acústico estadounidense Wallace Clement Sabine. A absorção total de uma sala em Sabins (Sa) pode ser assim calculada: A=S1α1+S2α2+...+Snαn=ΣSiαi, onde A = a absorção do quarto (m2 sabin) Sn = área superficial do material (m2) (p. ex. vidro, aço, concreto) αn = coeficiente de absorção do material (tabelado) (pt)
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