Services

Acoustics projects

SPECTRI has an intensive engineering activity in the sound and vibration field.

The main instrumentation and know-how used by SPECTRI experts has an origin from world's biggest producer of sound and vibration equipment, Bruel & Kjaer – Denmark.

The main engineering services provided by SPECTRI in NOISE field are as follows (cited some of our extensive range of projects):

Creating of Strategic Noise Maps (as per the European Noise Directive)

Real example of Strategic Noise Map for Plovdiv Agglomeration – noise index Lnight Successfully realized project by SPECTRI Ltd.

Real example of Strategic Noise Map for Sofia Agglomeration – noise index Lden Successfully realized project with the partnership of GIS - Sofia and SPECTRI Ltd.

Noise reduction projects

Real illustration (MEASUREMENT RESULTS) from one of the successfully realized SPECTRI projects - in Bulgaria, Chelopech (ordered from Chelopech Mining – ventilator chute "East”)

Real illustration (OBJECT LOOK) from one of the successfully realized SPECTRI projects - in Bulgaria, Chelopech (ordered from Chelopech Mining – ventilator chute "East”)

Acoustics projects for noise measurement and assessment

Real illustration of MEASUREMENT RESULTS from an engineering project for Bulgaria - Burgas city. Successfully realized by SPECTRI Ltd. (ordered from Burgas Municipality)

Real illustration of MEASUREMENT POINT from an engineering project for Bulgaria - Burgas city. Successfully realized by SPECTRI Ltd. (ordered from Burgas Municipality)

Acoustics projects in the field of airport noise assessment (aircraft noise)

Real illustration of MEASUREMENT RESULTS from an engineering project for Varna and Burgas Airports (Bulgaria). Successfully realized project with the partnership of IVT - Sofia and SPECTRI Ltd. (ordered from Fraport - Bulgaria)

Real illustration of NOISE CONTOUR from an engineering project for Varna and Burgas Airports (Bulgaria). Successfully realized project with the partnership of IVT - Sofia and SPECTRI Ltd. (ordered from Fraport - Bulgaria)

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