Sabine reverberation formula

E168704

The Sabine reverberation formula is a foundational equation in architectural acoustics that relates a room’s reverberation time to its volume and total sound-absorbing surface.

All labels observed (3)

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf acoustical formula ⓘ
physical law ⓘ
applicationDomain classroom acoustics ⓘ
concert hall acoustics ⓘ
recording studio design ⓘ
theatre acoustics ⓘ
appliesTo auditoriums ⓘ
concert halls ⓘ
enclosed rooms ⓘ
lecture rooms ⓘ
assumes diffuse sound field ⓘ
relatively low average absorption coefficients ⓘ
uniform distribution of absorption ⓘ
category acoustics equations ⓘ
empirical physical formulas ⓘ
defines A as total absorption in square metres sabin ⓘ
T as reverberation time in seconds ⓘ
V as room volume in cubic metres ⓘ
describes reverberation time in an enclosure ⓘ
developedBy Wallace Clement Sabine ⓘ
expresses T inversely proportional to total absorption ⓘ
T proportional to room volume ⓘ
field architectural acoustics ⓘ
room acoustics ⓘ
hasUnitConstant 0.049 for imperial units ⓘ
0.161 for SI units ⓘ
historicalPeriod late 19th century ⓘ
influenced modern auditorium design ⓘ
standards for room acoustics ⓘ
limitation less accurate for highly absorptive rooms ⓘ
less accurate for non-diffuse sound fields ⓘ
mainQuantity reverberation time ⓘ
room volume ⓘ
total sound absorption ⓘ
namedAfter Wallace Clement Sabine ⓘ
relatedConcept Eyring reverberation formula ⓘ
sabin (unit of sound absorption) ⓘ
relates reverberation time to room volume and total absorption ⓘ
symbolicForm T = 0.049 · V / A (imperial units) ⓘ
T = 0.161 · V / A (SI units) ⓘ
usedFor acoustic treatment planning ⓘ
design of room acoustics ⓘ
estimating reverberation time ⓘ
selection of acoustic materials ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Wallace Clement Sabine → knownFor → Sabine reverberation formula ⓘ
Wallace Clement Sabine → notableWork → Sabine formula for reverberation time ⓘ
linked to: Sabine reverberation formula
Eyring reverberation formula → refines → Sabine reverberation formula ⓘ
Eyring reverberation formula → comparedWith → Sabine reverberation formula ⓘ
Eyring reverberation formula → relatedConcept → Sabine equation ⓘ
linked to: Sabine reverberation formula