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Novia™

Novia™

Noise source classification

Sixense Oceania

Novia™ is a machine learning algorithm that tells if a noise is generated by a work site, or not.

Novia is a value added technology to Sixense's noise monitoring services. When an alarm is triggered, the recorded sound wave is analysed and compared to a library of previously classified spectrograms. The outcome is the identification and classification of the noise sources with a level of reliability usually greater that 97%.

Novia™ Features

Continuous & realtime noise monitoring

Novia is applied to a continuous and real-time noise monitoring station that is installed adjacent the site to be analysed.

Continuous & realtime noise monitoring

Sound wave analysis

When an alarm is triggered, the system analyses few seconds of the sound wave that has generated an exceedance.

The resulting spectrogram - or fingerprint of the sound - is compared to large library of previously recorded and classified signatures.

Sixense currently holds more than 1,000 different reference noise signatures and counting.

Sound wave analysis

Source classification & identification

The outcome of this process is a real-time classification of the source that has generated the alarm. Is it linked to the construction site or urban environment?

Advanced classification may also identify the nature of the source; crane, jack hammer, pilling, excavator, etc... for construction sites - or sirene, helicopter, motorbike, music, etc.. for urban environments.

In addition, the sound wave is available as an audio file for playback and further investigations or verifications.

Source classification & identification
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