Acoustic materials are used to control sound and tune noise levels. These materials are particularly necessary in places such as recording studios, hotels, business offices, churches and even homes. Acoustic material reduces sound energy by absorbing resonance and echo pressures. When acoustic material is used to block sound, it is referred to as "soundproofing."

Acoustic Bass Traps

Bass traps are low-frequency absorbers that reduce the echo in large buildings such as churches, gymnasiums and auditoriums. They are sometimes used in recording studios to dull bass sound, prevent acoustic interference and decrease unwanted ringing from low-pitch instruments. Bass traps prevent sound waves from bouncing off the walls in a small studio, as this occurrence can create unwanted effects.

Acoustic Diffusers With Fiberglass Insulation

Acoustic diffusers reduce sound echoes normally heard in small rooms with flat ceilings. Diffusion is a relatively inexpensive method of acoustic noise control, since it can be made simply by inserting sheets of plywood onto a wall at an angle. In combination with a layer of fiberglass insulation, the sound barrier prevents resonance that can interfere with proper instrumental and noise adjustments.

Acoustic Absorbers

Acoustic absorbers prevent rings and echoes from reverberating in a room. When acoustic absorbers are properly installed, the sound in the room is audibly clearer. In addition to installing acoustic absorbers, thick and rigid-edged fiberglass can further assist in absorbing both mid-range and high frequencies.

High Trap Foam

High trap foam -- extremely dense and tile-shaped -- lessens sound reverberation. These tile-like foam squares are easy to install, making them an ideal choice for the amateur studio owner. High trap foam can easily be used in combination with a bass trap in order to have optimal unwanted sound reduction.