Table 1 Details of recording conditions for impulse response measurement

1

Linear

Echo room (panel)

150°

0.30

2

Circle

Echo room (cylinder)

30°

0.38

3

Linear

Tatami-floored room (S)

120°

0.47

4

Circle

Tatami-floored room (S)

120°

0.47

5

Circle

Tatami-floored room (L)

90°

0.60

6

Circle

Tatami-floored room (L)

130°

0.60

7

Linear

Conference room

50°

0.78

8

Linear

Echo room (panel)

70°

1.30

Array number

Room

Room size

RT60 (s)

9

Office

9.0 × 6.0 m

0.25

10

Japanese style room

3.5 × 2.5 m

0.40

11

Lounge

11.5 × 27.0 m

0.50

12

Japanese style bath

1.5 × 1.0 m

0.60

13

Living room

7.0 × 3.0 m

0.65

14

Meeting room

7.0 × 8.5 m

0.65

15

Elevator hall

11.5 × 6.5 m

0.75