SmartSMS User Manual Soft dB inc.
User Manual p. 8
1.2 SmartSMS sound masking system
The SmartSMS Sound Masking System from Soft dB is a powerful and versatile system that
includes:
Ø an automatic equalization process of the masking spectrum
Ø an active adjustment of the masking volume based on the ambient noise
Ø a wireless connection to facilitate the equalization process in large buildings
Ø an optional integrated calendar-based volume adjustment
Ø Up to four auxiliary inputs for paging and music.
Based on advanced signal processing techniques and a powerful DSP (Digital Signal Processor),
the various features of the SmartSMS system allow fast and easy installation, even in buildings with
modern architectural design. The SmartSMS achieves an unparalleled efficient and comfortable
masking sound.
This user guide shows how to use the main features of the SmartSMS.
Here are the detailed hardware and software features:
• Up to eight independent channels per unit, depending on the version used. Each channel has
its own automatic narrow band equalizer, allowing independent masking sound adjustments on
each channel.
• Each channel can have a different target masking sound spectrum if needed.
• Up to four auxiliary inputs for music or for a paging system.
• Up to eight inputs for the active adjustment system.
• Automatic Active adjustment of the masking sound level available as an option.
• Optional calendar-based volume adjustment with onboard clock.
• Programmable global volume ramping period for the smooth integration of the masking sound
for the workers.
• General hardware volume control for the entire system (±0.5 to ±12 dB).
• Integrated real-time 1/3-octave band and narrow band spectrum analyzer.
• Each output channel can supply up to 32 speakers (see section 4.2).
• Each SMS unit can supply a maximum of 120 speakers when paging is required (see section
4.2).
• Up to 8 SmartSMS units can be connected together via a USB hub when more than 8 zones
are needed.
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