Noise and vibration are an important aspect of acoustics, and effect everyone. We rely on our long experience for solving straightforward problems, while more complex problems may require advanced analysis and calculation methods.

What is noise disturbance?
Noise disturbance can be summed up as unwanted sound. We perceive this noise with our ears. At sufficiently high volumes, noise disturbance can cause permanent hearing damage and tinnitus (ringing in the ears). Normally, noise disturbance is not that loud, and simply causes discomfort. Healthy hearing organs perceive sound (pressure fluctuations in the air) within a frequency range of approximately 15 - 20010 Hz.

What is vibration?
We perceive vibration with our sense of touch when we come into physical contact with a vibrating object or surface. We are most sensitive to vibration within a frequency range of 4 - 8 Hz. Disturbing vibration usually has a frequency of under 20 Hz.

Noise and vibration damping
Akustikon has know-how and experience of all types of noise and vibration damping, including:

• noise from road and rail traffic
• noise and vibration from ventilation and chilling installations
• noise from hydraulic systems
• noise and vibration from aerobics, etc
• noise and vibration from presses and punching machines
• development of noise and vibration damping products
• noise and vibration in test rigs

Methods
Problems such as these can often be solved through experience and calculation based on simple models. However, it is sometimes necessary to use modern analysis techniques such as FEA (Finite Element Analysis), SEA (Statistic Energy Analysis) and EMA (Experimental Modal Analysis). Akustikon has long experience of such analysis. However, these techniques are only tools. Our work is always based on a deep physiological understanding of the often complex problems related to vibration and noise damping, which derives from a deep interest in the subject, solid theoretical knowledge and long experience of its application.