Smart SMS-AMP Sound Masking System

Acoustical Surfaces, Inc. Acoustical Surfaces, Inc. We Identify and SOUNDPROOFING, ACOUSTICS, NOISE & VIBRATION CONTROL SPECIALISTS 123 Columbia Court North ● Suite 201 ● Chaska, MN 55318 (952) 448-5300 ● Fax (952) 448-2613 ● (800) 448-0121 Email: [email protected] Visit our Website: www.acousticalsurfaces.com

Sound Transmission Obscuring Products Soundproofing, Acoustics, Noise & Vibration TM Control Specialists We Identify and S.T.O.P. Your Noise Problems

Smart SMS-AMP The Intelligent Sound Masking System Smart SMS is designed to provide the SMS-AMP Front Shown best masking sound while preserving the comfort of the occupants. The precise adjustment of the masking sound to the specific characteristics and noise conditions of each work area is what distinguishes this system.

SMS-AMP-8 Back Shown

Sound Masking System Amplifier Product Features The SmartSMS-AMP is a DSP-based system that provides •Fully adjustable output channels, e.g. 1/3 octave unique adjustment functions and ensures the genera- equalizers (±0,1 dB Adjustment) tion of the optimum masking sound regardless of the •Auxiliary inputs for music or paging, 1/3 octave characteristics of the room. band equalizer on each output Automatic Equalization Process •Up to 8 SMS-AMP units can be networked through Adjusts automatically the masking spectrum for the a USB if more than 8 channels are needed specific architectural characteristics of the building. •Inputs for active sound level sensors The adjustment is quick and precise. Programmable phase-in timer (up to 2 months) Active Adjustment of the Masking Sound Level •Volume control knob allows easy volume Continuously measures the ambient noise and auto- adjustments matically adjusts the masking sound level accordingly. •The DSP processor is controlled from a PC It maximizes the privacy in the treated space while connected through a USB port preserving the occupants’ comfort. •Includes a UL and FCC certified 110-240 VAC – The SMS-AMP is available in 1, 2, 4 or 8 channel versions 25 VDC external power supply and integrates the controller, the noise generators, the •Optional internal clock for calendar function equalizers and the 25-Volt amplifiers. It combines sound allows time-based automatic adjustments masking, music diffusion and paging systems, all integrated in one convenient rackmount package.

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Automatic Equalization Process Features Active Adjustment Features •Integrated 1/3 octave frequency analyzer, real- •Unique active adjustment system which controls time measurement of the masking spectrum the masking volume based on the level of disturb during the calibration ing noise of the room •Optional wireless connection between the com •The disturbing noise is measured by sound level puter and the SmartSMS allows to easily perform sensors installed in the ceiling – up to 8 sensors the equalization alone per zone •Automatic calculation of the masking sound •The masking sound level is adjusted automatically ensure generation of the target masking sound in real-time in the room •Rate of adjustment, high limit and low limit are Different target masking sound spectrums can be programmable separately on each output applied to different zones •Input mixer allows the combination of any active •A bank of target spectrums is availalbe, spectrum input with any output channel editor function allows to create custom spectrums •Equalization can be performed manually, if desired, with a 1/3 Octave band equalizer

The SMS-AMP Sound Masking System only requires to be connected to 25-Volt speakers to generate masking sound. All the sound generators, equalizers, mixers and amplifiers are included in one simple rackmount unit. Internal active system preamplifier allows to connect up to 4 active sensors directly to the SMS unit inputs.

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Sound Transmission Obscuring Products Soundproofing, Acoustics, Noise & Vibration TM Control Specialists We Identify and S.T.O.P. Your Noise Problem

AC Input: 100-240 V, 50-60 Hz Power Consumption: Maximum: 7.5 A; Typical: < 1 A Frequency Response: 100-10,000Hz Distorsion: less than 1% Auxilliary inputs impedance: 80 kOhms Auxilliary inputs maximum voltage: ±10 V Active inputs impedance: 80 kOhms Active inputs maximum voltage: ±2 V