The AdBm Noise Abatement System is a passive, simple, and safe noise abatement system and has shown up to 50 dB of noise reduction.
- 50 dB at targeted frequency
- Broadband frequency attenuation
- No physical limitations to its performance
- Backed by in-house modeling
- Close agreement with models on water-borne noise abatement
- Optimally reduce specific harmful frequencies
- Control amount of absorption
Fast, Easy, & Safe
- Modular design
- Flexible installation methods
- Suitable for high currents
- Self-righting in the water
No Compressed Air
- No compressors, hoses, manifolds, support ships
- Doesn’t stir up seafloor
- Small carbon footprint
- Three PhDs from leading acoustics laboratories
- Supported by continued research at The University of Texas at Austin
There is a sizable and growing concern about the impact of underwater noise on marine wildlife in many communities. It is known that fish and other animals can be killed by very intense underwater sound, but at lower levels there also may be significant effects on the animal’s ability to communicate, hunt, migrate, and mate. Our system is more effective and more reliable at abating noise, helping to guarantee that there will be minimal impact on the environment from these industrial activities. In addition, current noise abatement technology requires that arrays of large air compressors are run continuously to create air bubble curtains. These compressors burn a considerable amount of diesel and the compressed air stirs up the seafloor sediment, which can have a detrimental effect to marine wildlife. The passive nature of our system means that not only is this system more effective and reliable, but air compressors are not required.
AdBm Technologies has developed a patented underwater noise control system which is simpler, easier to use, more effective, and has lower manufacturing costs than current technologies. Until now, noise abatement systems have used curtains of small, freely-rising bubbles in an effort to mitigate noise. These systems exhibit mediocre performance because these bubbles are not tuned to attenuate the low frequencies typically produced by industrial processes, and water currents can easily blow these bubbles away from the noise source they’re supposed to be surrounding. Our system uses encapsulated air bubbles, tuned to specific frequencies and arranged in specific configurations, to capture and mitigate noise from various noise sources.
Product & Services
The system is offered as standard size panels which are leased to customers following a rent-a-fence model. The system can be installed in a variety of ways: around the noise source or used to shield a sensitive marine area. Technical support and acoustic data collection and analysis are also offered. Our unique skill in producing noise abatement systems is essential, given that poorly-designed systems often show little performance and have been even been known to increase noise levels at low frequencies. In addition, our continued research in the field enables us to continually improve our methods.