- #Porus absorber calculator how to
- #Porus absorber calculator portable
- #Porus absorber calculator series
- #Porus absorber calculator windows
Most of our product line consists of velocity based absorbers the GIK 242 Acoustic Panel, GIK 244 Bass Trap, GIK Monster Bass Trap, GIK Tri-Trap Corner Bass Trap©, GIK Soffit Bass Trap©, GIK Screen Panel, and GIK ArtPanel are all velocity based devices. So, whether someone is talking about broadband absorption, porous absorption, or velocity based absorption – they are referring to the same type of absorption. This wide absorbing nature of velocity based absorbers gives them their other name: broadband absorbers. Even thin porous absorbers absorb quite even down to low-mid and bass frequencies. Porous absorbers typically absorb throughout most of the frequency spectrum, depending on their thickness. Velocity based absorbers work, in short, by converting sound energy into heat, and then by absorbing and dissipating the heat. For this reason, velocity based absorbers are commonly referred to as porous absorbers. This includes but is not limited to: fiberglass, mineral wool, acoustic foam, and similar materials. Velocity based absorbers are acoustic panels and bass traps based on porous, absorptive material.
#Porus absorber calculator how to
This article is written to give you an idea on the differences of bass trapping, and how to use them to create the ultimate listening space catered to your preferences utilizing both. Pressure based treatments are most effective at areas of high sound pressure in the room, whereas velocity based treatments are most effective at areas of high particle velocity. The terms “velocity” and “pressure” don’t describe their inner workings, but instead describe their optimum placement in a room. Whether you’re looking at tuned traps, resonators, membrane absorbers, or porous absorption – most can be broken down into two categories: velocity based absorbers, and pressure based absorbers. There are many types of different bass trapping and low frequency treatments available for recording studios, control rooms, home theaters, and listening rooms alike.
#Porus absorber calculator portable
#Porus absorber calculator series
#Porus absorber calculator windows
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While the highest value of absorption coefficients was the sample with a void ratio of 20% which reach a value of 0.99997. The best sample is a sample with a 25% void ratio that could absorb sound over a long frequency range of 432-1600 Hz even though it only reaches class B. Tests were carried out in the frequency range of 0-1600 Hz. The proportion of samples using American NRMCA. The sample was put in a tube with a diameter of 10 cm and a height of 5 cm. The value of absorption was measured by the impedance method of two microphones. The concrete then is substituted with silica fume to reach more compressive strength. Porous concrete is concrete which does not use sand to forms a void in concrete that also might be used as a sound absorbent.
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This study aims to calculate the absorption values of porous concrete values. This research offers materials that have sufficient properties for the above problems, namely by using porous concrete. Sound-absorbing acoustic materials are usually made of special materials which are sometimes expensive and prone to fire and do not have sufficient strength.