a. A hall of (3400 +R) m² having a seating capacity of 700. From the following data calculate the reverberation time when it is a full of audience, Consider the absorption of each member of the audience as 0.45 Sabine and neglect the effect of absorption by the performers and their instruments. |Material (Surface) Area (m³) Abs. coefficients Plaster Celling 0.02 500+R Plaster Walls 650+R 0.03 Wooden ( floor, doors) 450+R 0.06 Seats (cushion, cane) 500+R 0.01 Sabine / seat)

Question
a. A hall of (3400 +R) m² having a seating capacity of 700. From the following data calculate the
reverberation time when it is a full of audience, Consider the absorption of each member of the
audience as 0.45 Sabine and neglect the effect of absorption by the performers and their instruments.
|Material (Surface)
Area (m³)
Abs. coefficients
Plaster Celling
0.02
500+R
Plaster Walls
650+R
0.03
Wooden ( floor, doors)
450+R
0.06
Seats (cushion, cane)
500+R
0.01
Sabine / seat)
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Transcribed Image Text

a. A hall of (3400 +R) m² having a seating capacity of 700. From the following data calculate the reverberation time when it is a full of audience, Consider the absorption of each member of the audience as 0.45 Sabine and neglect the effect of absorption by the performers and their instruments. |Material (Surface) Area (m³) Abs. coefficients Plaster Celling 0.02 500+R Plaster Walls 650+R 0.03 Wooden ( floor, doors) 450+R 0.06 Seats (cushion, cane) 500+R 0.01 Sabine / seat)

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