Mini Home Theater

Sound Absorbing

Sound Absorbing

Sound absorption and noise reduction coefficient (NRC)

When sound waves travel through the air and finding other means, the wall of a room, for example, part of the sound will be absorbed by the wall while the rest are reflected on the surface of the wall. Add to the mix of the other surfaces reflecting sound waves in various directions within the room, and the result is a mixture of sound reflections that interfere with the clarity of the original sound, intended. The presence of numerous hard, untreated areas is often blame high noise levels at busy restaurants like the voices of multiple customers think and produce background noise. Improved acoustics and sound reduction projects often involve the application of treatments designed to absorb the reflections of sound waves as part of an overall plan to control sound.

Given the tendency of sound waves to reflecting surfaces, it is clear why the absorption of the reflections of sound is an important element of sound control and acoustic improvements. Capturing the reflection sound is particularly important in settings such as auditoriums, restaurants and places of worship, where the quality of the acoustics of experience within the area is essential for their purpose.

The trends reflect the particular surfaces present within a room can contribute to the type and degree of sound absorption treatment necessary to achieve the desired result. Carpet, for instance, is more absorbent than the tile, so a carpeted floor that produce less sound reflection important than a tile floor with other factors constant. How do we know? By undertaking the ASTM C423 test, independent laboratories to quantify the amount of sound from the surface of a particular material absorbs and assigned a value referred to as the noise reduction coefficient (NRC). The NRC calculated based on evidence of a material at various frequencies within a bunker can be interpreted as a percentage of noise that is captured and converted to a surface, while the remaining portion is reflected. A NRC of 0.44, for example, would be assigned to a surface that absorbs on average 44% of sound, while reflecting the remaining 54%.

As the materials used in construction, acoustical insulation products are also the sound absorption test at various frequencies and assigned the rate of reduction of noise. The absorption value exhibited by a particular sound treatment can help determine the circumstances under which treatment should be applied. A project to control the low tones, for example, call for more guidance absorbing the higher frequencies produced by the human voice. Since each solution to improve the acoustics must be adapted to the characteristics of the area in question, the frequency to be controlled, it is best consulting a knowledge soundproofing before the implementation of sound reduction treatments in order to ensure that it addresses the critical variables.

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HushMat SIL1003 Silencer Sound Absorbing Foam - 1/8" Thick Sale Price: $129.99   Eligible for free shipping! Availability: Usually ships in 2-3 business days See Reviews For This Product Description HushMat Silencer High Frequency Sound Absorbing 1/8" Foam is designed to provide a sound compression fit and to prevent rattling or squeaking of plastic / fiber trim panels when rubbing together. Features 11.5 sq. ft. Treats body trim panels Reduces wind noise Features a sound compression fit Prevents squeaking Outstanding thermal insulating properties

SilverStone 21-Inch x 15-Inch 4mm Thick 2-Piece Sound Dampening Acoustic EP0M Silent Foam SF01 (Black) Sale Price: $13.95   Eligible for free shipping! Availability: Usually ships in 24 hours See Reviews For This Product Description Building a silent computer is often a difficult goal for enthusiasts and power users to achieve, especially if the computer needs to also be fast and cool. The SF01 is a package of two foam pads designed to help absorb noise with minimal impact inside a computer chassis. Each pad has large surface area and high density 4mm thick foam to provide good noise reduction and flexible integration choices. Features Great quality EPOM foam material for noise absorption Excellent adhesion in high temperature Easy to cut and fit in any computer chassis Package includes two foam pads 530mm x 380mm x 4mm (thick)

HushMat SIL1013 Silencer Sound Absorbing Foam - 1/2" Thick Sale Price: $169.99   Eligible for free shipping! Availability: Usually ships in 2-3 business days See Reviews For This Product Description HushMat Silencer High Frequency Sound Absorbing / Thermal Insulating 1/2" Foam is designed to treat the firewall, floor pan and tunnel to reduce heat transfer and quiet the airborne noise entering the interior. Features 8 sq. ft. Treats the floor, firewall or tunnel Reduces wind noise Features a sound compression fit Prevents squeaking Outstanding thermal insulating properties

HushMat SIL1008 Silencer Sound Absorbing Foam - 1/4" Thick Sale Price: $189.99   Eligible for free shipping! Availability: Usually ships in 2-3 business days See Reviews For This Product Description HushMat Silencer High Frequency Sound Absorbing / Thermal Insulating 1/4" Foam is designed to treat the back of door trim panels and back of the headliner to reduce heat transfer and quiet the airborne noise entering the interior. Features 11.5 sq. ft. Treats the back of door trim panels or headliner Dramatically reduces wind noise Outstanding thermal insulating properties Prevents body panel squeaking Simply Peel and Stick

Sonic Barrier 1" Acoustic Foam w/PSA 18" x 24" List Price: $17.99 Sale Price: $12.23 You save: $5.76 (32%)   Eligible for free shipping! Availability: Usually ships in 1-2 business days See Reviews For This Product Description The Sonic Barrier 1" acoustic damping foam is a precisely engineered material that offers optimum absorption for its thickness. The material features our exclusive embossed surface finish that helps to trap acoustic energy and improve high frequency performance. This finish is applied to an acoustic-grade open-cell polyether foam, which absorbs and converts the acoustic energy into low-level heat. A very aggressive pressure sensitive adhesive provides easy and permanent installation onto any surface. The Sonic Barrier 1" foam is excellent for general loudspeaker cabinet use. The non-composite nature of this material means that it acts as a sound absorbent across a wide range of frequencies. For situations where the cabinet walls are already acoustically dead, composite barriers may not be necessary-- in this case, the pure foam material can offer a lower-cost alternative with minimal difference in performance. The foam will help absorb unwanted sound from within the cabinet without disrupting airflow between the driver and port. This can reduce unwanted sound reflections and prevent them from exiting through the cone or port. The foam can cause an increase in apparent volume, which can help to offset the space taken up by the driver or the port. Sold in 18" x 24" Sheets Features Precisely engineered material that offers optimum absorption for its thickness Features our exclusive embossed surface finish Helps to trap acoustic energy and improve high frequency performance Absorbs and converts the acoustic energy into low-level heat Non-composite nature of this material

Auralex Studiofoam Designer Kit, Purple List Price: $149.00 Sale Price: $99.00 You save: $50.00 (34%)   Eligible for free shipping! Availability: Usually ships in 1-2 business days See Reviews For This Product Description The Auralex Studiofoam Designer Kit uses an advanced design to dampen rogue sounds in your studio. Designer kit provides 32 - 1' x 1' x 2" panels in your choice of cool colors with two tubes of Tubetak Pro Liquid Adhesive and an instruction sheet. Features Uses an advanced design to dampen rogue sounds in your studio 32 sound-absorbing panels 2 tubes of liquid adhesive

Brand New Hushmat 20100 11.5 Square Feet Silencer Megabond High Frequency Absorbing Foam Sale Price: $94.95   Eligible for free shipping! Availability: Usually ships in 1-2 business days See Reviews For This Product Description Brand new HushMat 20100 11.5 square feet silencer megabond high frequency absorbing foam Features:Improves interior sound quality Absorbs Wind Noise, Engine Noise, Road Noise, Exhaust Noise from 600 Hz all the way to 4000 Hz Abrasion resistant semi closed cell construction Flexible and easily molded to uneven surfaces Terrific memory One step peel and stick application Added Thermal insulation up to 300 degrees F Outstanding UV resistance Provides Thermal Insulation for your vehicle Easy to install - no tools required Features Improves interior sound quality Absorbs Wind Noise, Engine Noise, Road Noise, Exhaust Noise from 600 Hz all the way to 4000 Hz Added Thermal insulation up to 300 degrees F Provides Thermal Insulation for your vehicle Easy to install - no tools required

Protec Portable Audio Recorder Case with Adjustable Walls and Rain Jacket List Price: $34.00 Sale Price: $24.99 You save: $9.01 (26%)   Eligible for free shipping! Availability: Usually ships in 1-2 business days See Reviews For This Product Description Protec's Deluxe Portable Audio Recorder Case features: adjustable interior walls to fit recorders up to 7" in length, soft padded lining, lightweight shock absorbing shell, built-in rain jacket, small storage pockets, thickly padded carry handle, removable shoulder strap. Features Adjustable interior walls to fit recorders up to 7" in length Soft padded lining Lightweight shock absorbing shell Built-in rain jacket and small storage pockets Thickly padded carry handle and removable shoulder strap

ViaBlue High-End QTC Absorbing Spikes - 4 Pieces Black Silver - Made In Germany Sale Price: $115.00 See Reviews For This Product Description Get Clean Sound by Eleminating Vibrations with High Precision QTC Spikes ViaBlueTM QTC Spikes receive vibrations from vibrating bodies such as speakers (such as diaphragms) and devices (such as transformers) and reduce them. Maximum pressure builds up at connection point between vibrating bodies and their bases, using a high mass concentrated on three minimum points (peaks), The vibrations are eliminated through the extreme pressure points. This leads to vibration absorption.Asorbtion & A Noble Design - Highest Precision/32 PartsThrough the vibration reception disk, vibrations are received on the rotary plate with adjustable height. The vibrations gathered in the main cone are deflected. Excess pressure builds up and is transferred to the especially hardened points. On the equally identically hardened absorption master disk, a maximum pressure point is then created. The vibrations are eliminated.A total of 4 spikes per set are included in the delivery. A spike consists of: a grounding component with attached master disk, steel-hardened peak, main cone, rotary disk of adjustable height with attached vibration reception disk, M6 threaded rod and an M6 drive-in nut.With the M6 to M6 thread stick included, QTC spikes can be tightly connected with speakers or devices. This ensures a steady state and the best possible connection of the absorption reducer to the vibrating. For speaker cases and devices with built-in M8 threads, special M6/M8 thread sticks go from the QTC spikes M6 threads to M8 threads. Optionally M6 to M4, M6 to M8, M6 to M10, M6 to M12 and M6 to 1/4"-20UNC are available. Features ViaBlue High-End QTC Absorbing Spikes - 4 Pieces Black Silver - Made In Germany Get Clean Sound by Eleminating Vibrations with High Precision QTC Spikes Asorbtion & A Noble Design - Highest Precision/32 Parts Through the vibration reception disk, vibrations are received on the rotary plate with adjustable height. The vibrations gathered in the main cone are deflected. Excess pressure builds up and is transferred to the especially hardened points. On the equally identically hardened absorption master disk, a maximum pressure point is then created. The vibrations are eliminated. Diameter: 30mm Height: 34mm +/-2.5mm Maximum Load: 200 KG/Set of 4

Auralex LENPUR LENRD Bass Traps in Purple 8- 12x12x17 Triangular; 24 Long List Price: $299.00 Sale Price: $274.36 You save: $24.64 (8%)   Eligible for free shipping! Availability: Usually ships in 24 hours See Reviews For This Product Description LENRD stands for Low-End Node Reduction Device. As you may know, a resonance bump in a room's frequency response is called a room node. Now, thanks to LENRD Bass Traps, you can achieve the low frequency sound control other companies can't give you! Bass traps substantial enough to control nodes have always been expensive to buy or intricate and time-consuming to build, but not anymore! LENRD Bass Traps are extremely effective at smoothing out low frequency room nodes at a price that anybody-and I do mean anybody-can afford! Ask your local Auralex dealer about our MegaLENRD. Twice the width and twice the length of a normal LENRD! Features Effective at absorbing down to 75Hz! Easy to Install Class B fire rating NRC of 1.35

Tags: absorbing, acoustic, acoustics, panels, sound, sound absorbing curtains, sound absorbing foam, sound absorbing material, sound absorbing panels, sound absorbing wall panels