Tailored to absorb frequencies
According to Dr. Nocke, an important acoustic learning is that physical loudness and perceived loudness aren't necessarily the same as other factors have an impact too. This phenomenon is known in weather forecasting as the wind chill factor, where the wind force plays a significant role in the perceived temperature. When it comes to loudness, high frequent tones are more annoying to the human ear than low frequent tones and therefore high frequencies are perceived to be louder than low frequencies, even when the volume is equal. This fact is very important prior knowledge for acoustic design that must be tailored to absorb frequencies at different levels. Whereas acoustic carpets are efficient in reducing the medium to high frequencies, acoustic rooms and acoustic panels effectively absorb the lower frequencies.
The time, measured in seconds, it takes to make a sound inaudible through multiple interactions with room surfaces. A noisy acoustic environment is equal to a long reverberation time where the echo effect of the first sound wave mixes with the subsequent sound waves. Reverberation time is the most important measure to describe the acoustic goal.
The ability of a room surface such as a floor, wall, curtain, ceiling or piece of furniture to absorb sound. While hard, even and smooth surfaces make the sound waves reverberate directly, soft, textured and porous surfaces manage to absorb the sound waves to varying extents. The more sound absorbing materials you specify for your room surfaces and decor, the lower reverberation time you achieve.
The ability to soundproof an enclosed space, such as a room, to prevent sound transmissions from connected rooms whether they’re in a direct line, upstairs or downstairs. Sound insulation relates to the overall ability of a building element to reduce the sound transmission of airborne sounds such as speech or radio and impact sounds such as footsteps, slamming doors or objects being dropped to the floor.
The perceived loudness of a sound is described by its sound pressure level. The logarithmic decibel scale measures differently than a linear scale. The commonly used decibel scale for sound pressure level is a logarithmic scale. Doubling the sound pressure corresponds to a 3 dB increase in sound pressure level. The subjectively perceived loudness doubles by an increase of around 10 dB. So, there is a difference betwenn the physical and subjective description of the sound pressure. 0 dB is by definiton the threshold of hearing and can be observed only in highly shielded rooms.
Acoustic Carpets are your essential noise controlling building bricks. Due to the predominant size of the flooring surface, our acoustic carpets have a massive effect on the physical environment when absorbing different room sounds. Plus, they can help define quieter zones for concentration work and relaxation when mixed in different shapes, textures and colours.
Acoustic Rooms offer quiet room-in-room spaces with high level aesthetics and flexibility to meet any design requirements and future needs. In addition, their noise reducing components function as barriers to prevent sounds from travelling across the office space.
Feel free to fill in this form with your contact information plus a description of your project or acoustic challenge and we'll gladly perform a calculation of the acoustic situation and work out proposals for optimisation.
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