Preparation
| 4 m | Display |
4 m | (13.1 ft) |
|
Microphone |
| |
(13.1 ft) |
| |
|
|
Microphone |
4 m |
(13.1 ft) |
Microphone |
4 m | 4 m |
| |
(13.1 ft) | (13.1 ft) | Display | |
Microphone | Microphone | ||
|
4 m | 4 m |
(13.1 ft) | (13.1 ft) |
Microphone | Microphone |
The range of each microphone (the radius of the circle with a microphone at the centre) varies according to the level of surrounding and the number of microphones being used. Place microphones accordingly, referring to the following table.
Noise
level/
Micro–
phone
1
2
3
4
40 dBsplA | 45 dBsplA | 50 dBsplA | ||
(a quiet | (a regular | (a noisy | ||
room) | room) | room) | ||
|
|
|
| |
approx. | approx. | approx. | ||
3 m | 2.2 m | 1.2 m | ||
(approx. | (approx. | (approx. | ||
9.8 ft) | 7.2 ft) | 3.9 ft) | ||
|
|
|
| |
approx. | approx. | approx. | ||
2.8 m | 1.5 m | 1 m | ||
(approx. | (approx. | (approx. | ||
9.2 ft) | 4.9 ft) | 3.3 ft) | ||
|
|
|
| |
approx. | approx. |
|
| |
2.3 m | 1.3 m | — | ||
(approx. | (approx. | |||
|
| |||
7.5 ft) | 4.3 ft) |
|
| |
|
|
|
| |
approx. | approx. |
|
| |
2 m | 1.1 m | — | ||
(approx. | (approx. | |||
|
| |||
6.6 ft) | 3.6 ft) |
|
| |
|
|
|
| |
22
Operating Manual | Document Version |
