SmartSMS User Manual Soft dB inc.
User Manual p. 90
Figure 83 : Acoustic room response
The figure above shows that the sound generated by loudspeakers is reflected by the suspended
ceiling, passes through the ceiling tiles, and can be reflected by the floor, walls or any surface in the
room before being heard by a worker. All these elements influence the sound generated in the
room.
The SmartSMS can adjust each output channel automatically to the specific acoustic room
response during the automatic equalization process, but the designer must ensure that every
loudspeaker connected to the same zone is installed in a similar acoustic environment.
For example, in the figure below, closed offices in zone 6 are small rooms with carpeted floors and
absorbent suspended ceilings, very similar in size and functions. The loudspeakers in Zone 7 are
installed in a larger room with a hard floor. Loudspeakers in zones 6 and 7 could not be connected
to the same zone without producing very different sound spectra in the two zones, because the
acoustic room response is very different in zones 6 and 7.
Figure 84 : Acoustic room response example
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