---
title: Noise Reflection vs. Noise Absorption
description: Noise mitigation relies on two basic techniques – sound absorption and sound reflection. The effectiveness of each depends on the noise type, its source, and location.
image: https://blog.echobarrier.com/hubfs/shutterstock_1015111090.jpg
---

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# Noise Reflection vs. Noise Absorption

Posted by [Echo Barrier](https://blog.echobarrier.com/blog/author/echo-barrier) on Feb 27, 2020 1:28:24 PM  | [noise barriers](https://blog.echobarrier.com/blog/tag/noise-barriers?hsLang=en-us) [noise reduction](https://blog.echobarrier.com/blog/tag/noise-reduction?hsLang=en-us) [noise absorption](https://blog.echobarrier.com/blog/tag/noise-absorption?hsLang=en-us) [noise reflection](https://blog.echobarrier.com/blog/tag/noise-reflection?hsLang=en-us)

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Noise mitigation relies on two basic techniques – sound absorption and sound reflection. The effectiveness of each depends on the noise type, its source, and location.

 

## **All Sound is Not Equal**

Sound is created when air is compressed into waves, but all sound is not equal. Rapid series of waves results in higher pitches or frequencies. Fewer waves create lower pitches. The effectiveness of noise absorption and reflection is directly related to the frequency of the sound. 

## **Sound Reflection**

The most basic sound mitigation technique, noise reflection, uses materials that bounce sound waves away. Block walls, concrete barriers, and the hard exterior of buildings are examples of reflective materials that bounce sound waves away.

The downside of sound reflection is that the sound waves must go somewhere once reflected. Echoes and sound transference are a by-product of noise reflection.

 

![](https://blog.echobarrier.com/hubfs/noise-barrier-978213_1280.jpg)

*Glass traffic barriers have highly reflective surfaces.*

 

## **Sound Absorption**

Noise absorption employs barriers made of porous materials that allow sound waves to pass into the barrier.  As it travels through the material, the sound wave energy is absorbed, reducing noise levels. Sound absorption materials work best in mitigating mid to high-level sound frequencies but are less effective at reducing low level, deep-pitched noise.

Most modern structures include sound absorptive materials in their design. Flooring underlayments, carpet padding, and wall insulation are examples of common sound absorptive materials. In construction settings and other environments where noise is temporarily pervasive, purpose-designed portable acoustic barriers are deployed to provide effective absorption without being too heavy for handling. 

 

*Echo Barriers can be placed strategically to absorb as much sound as possible.*

 

For more serious noise mitigation, especially to help achieve legislative noise requirements, absorptive sound barriers are often employed. Many of these are portable and can be configured to adapt to changing sound environments. Echo Barriers, for example, are able to absorb up to 100% of sound in some frequency ranges while only weighing about 13 lb.

Finding the right noise attenuation solution requires an understanding of the sound frequency, source, and local environment.

 

---

 

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[Echo Barrier](http://echobarrier.com/) is an innovative temporary noise control system designed to quickly mitigate noise in dynamic and sensitive work environments.

Distribution available worldwide.

 

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- [Acoustic Barriers|Events Related|Noise Reduction (1)](https://blog.echobarrier.com/blog/tag/acoustic-barriersevents-relatednoise-reduction)
- [Construction Related|Events Related|Noise Reductio (1)](https://blog.echobarrier.com/blog/tag/construction-relatedevents-relatednoise-reductionu)
- [E.N.D (1)](https://blog.echobarrier.com/blog/tag/e-n-d)
- [EIA (1)](https://blog.echobarrier.com/blog/tag/eia)
- [Events Related (1)](https://blog.echobarrier.com/blog/tag/eventsrelated)
- [Events Related|Noise Reduction (1)](https://blog.echobarrier.com/blog/tag/events-relatednoise-reduction)
- [Events Related|Uncategorised (1)](https://blog.echobarrier.com/blog/tag/events-relateduncategorised)
- [Hydraulic Hammers (1)](https://blog.echobarrier.com/blog/tag/hydraulic-hammers)
- [Insider (1)](https://blog.echobarrier.com/blog/tag/insider)
- [LA sound ordnance (1)](https://blog.echobarrier.com/blog/tag/la-sound-ordnance)
- [NoiStop (1)](https://blog.echobarrier.com/blog/tag/noistop)
- [Noise Barriers (1)](https://blog.echobarrier.com/blog/tag/noise-barriers-it)
- [Noise Reduction (1)](https://blog.echobarrier.com/blog/tag/noise-reduction-gb-fr)
- [Noise Reduction (1)](https://blog.echobarrier.com/blog/tag/noise-reduction-gb-it)
- [STC 30 (1)](https://blog.echobarrier.com/blog/tag/stc-30)
- [Tool specific solutions (1)](https://blog.echobarrier.com/blog/tag/tool-specific-solutions)
- [What is the environmental noise directive? (1)](https://blog.echobarrier.com/blog/tag/what-is-the-environmental-noise-directive)
- [a frequency weighting (1)](https://blog.echobarrier.com/blog/tag/a-frequency-weighting)
- [absorption coefficient (1)](https://blog.echobarrier.com/blog/tag/absorption-coefficient)
- [ac noise barrier (1)](https://blog.echobarrier.com/blog/tag/ac-noise-barrier)
- [acoustic barrier hire (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrier-hire)
- [acoustic barrier products (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrier-products-fr)
- [acoustic barrier products (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrier-products-ar)
- [acoustic barrier recycling (1)](https://blog.echobarrier.com/blog/tag/acoustic-barrier-recycling)
- [acoustic barriers for events (1)](https://blog.echobarrier.com/blog/tag/acoustic-barriers-for-events)
- [acoustic barriers live event noise (1)](https://blog.echobarrier.com/blog/tag/acoustic-barriers-live-event-noise)
- [acoustic cutting station (1)](https://blog.echobarrier.com/blog/tag/acoustic-cutting-station)
- [acoustic panels (1)](https://blog.echobarrier.com/blog/tag/acoustic-panels)
- [acoustics beginner (1)](https://blog.echobarrier.com/blog/tag/acoustics-beginner)
- [acoustics trees (1)](https://blog.echobarrier.com/blog/tag/acoustics-trees)
- [after hours work permit (1)](https://blog.echobarrier.com/blog/tag/after-hours-work-permit)
- [air compressor noise reduction (1)](https://blog.echobarrier.com/blog/tag/air-compressor-noise-reduction)
- [air conditioner noise reduction blanket (1)](https://blog.echobarrier.com/blog/tag/air-conditioner-noise-reduction-blanket)
- [air conditioner sound proofing (1)](https://blog.echobarrier.com/blog/tag/air-conditioner-sound-proofing)
- [android app (1)](https://blog.echobarrier.com/blog/tag/android-app)
- [austin construction noise (1)](https://blog.echobarrier.com/blog/tag/austin-construction-noise)
- [best app to measure noise level (1)](https://blog.echobarrier.com/blog/tag/best-app-to-measure-noise-level)
- [best hearing protection (1)](https://blog.echobarrier.com/blog/tag/best-hearing-protection)
- [bitcoin (1)](https://blog.echobarrier.com/blog/tag/bitcoin)
- [bitmining (1)](https://blog.echobarrier.com/blog/tag/bitmining)
- [bulldozer noise (1)](https://blog.echobarrier.com/blog/tag/bulldozer-noise)
- [c frequency weighting (1)](https://blog.echobarrier.com/blog/tag/c-frequency-weighting)
- [cancer caused by silica (1)](https://blog.echobarrier.com/blog/tag/cancer-caused-by-silica)
- [children noise pollution impact (1)](https://blog.echobarrier.com/blog/tag/children-noise-pollution-impact)
- [clean echo barrier (1)](https://blog.echobarrier.com/blog/tag/clean-echo-barrier)
- [community relations (1)](https://blog.echobarrier.com/blog/tag/community-relations)
- [construction management (1)](https://blog.echobarrier.com/blog/tag/construction-management)
- [construction noise complaints (1)](https://blog.echobarrier.com/blog/tag/construction-noise-complaints)
- [construction noise florida (1)](https://blog.echobarrier.com/blog/tag/construction-noise-florida)
- [construction productivity (1)](https://blog.echobarrier.com/blog/tag/construction-productivity)
- [construction safety week (1)](https://blog.echobarrier.com/blog/tag/construction-safety-week)
- [contractors (1)](https://blog.echobarrier.com/blog/tag/contractors)
- [crane noise (1)](https://blog.echobarrier.com/blog/tag/crane-noise)
- [crypto (1)](https://blog.echobarrier.com/blog/tag/crypto)
- [crystalline silica (1)](https://blog.echobarrier.com/blog/tag/crystalline-silica)
- [decibel meter app (1)](https://blog.echobarrier.com/blog/tag/decibel-meter-app)
- [demolition dust (1)](https://blog.echobarrier.com/blog/tag/demolition-dust)
- [difference between loudness and volume (1)](https://blog.echobarrier.com/blog/tag/difference-between-loudness-and-volume)
- [dust barriers (1)](https://blog.echobarrier.com/blog/tag/dust-barriers)
- [echo barrier storage (1)](https://blog.echobarrier.com/blog/tag/echo-barrier-storage)
- [echo barrier storing (1)](https://blog.echobarrier.com/blog/tag/echo-barrier-storing)
- [electrical transformer noise (1)](https://blog.echobarrier.com/blog/tag/electrical-transformer-noise)
- [environmental noise (1)](https://blog.echobarrier.com/blog/tag/environmental-noise)
- [environmental noise directive (1)](https://blog.echobarrier.com/blog/tag/environmental-noise-directive)
- [environmental noise directive explained (1)](https://blog.echobarrier.com/blog/tag/environmental-noise-directive-explained)
- [environmental protection agency (1)](https://blog.echobarrier.com/blog/tag/environmental-protection-agency)
- [equipment rental (1)](https://blog.echobarrier.com/blog/tag/equipment-rental)
- [festival noise complaints (1)](https://blog.echobarrier.com/blog/tag/festival-noise-complaints)
- [florida noise laws (1)](https://blog.echobarrier.com/blog/tag/florida-noise-laws)
- [freight noise (1)](https://blog.echobarrier.com/blog/tag/freight-noise)
- [frequency weightings (1)](https://blog.echobarrier.com/blog/tag/frequency-weightings)
- [glossary (1)](https://blog.echobarrier.com/blog/tag/glossary)
- [hearing protection guide (1)](https://blog.echobarrier.com/blog/tag/hearing-protection-guide)
- [heavy site equipment (1)](https://blog.echobarrier.com/blog/tag/heavy-site-equipment)
- [highway noise wall (1)](https://blog.echobarrier.com/blog/tag/highway-noise-wall)
- [home renovation (1)](https://blog.echobarrier.com/blog/tag/home-renovation)
- [hotel (1)](https://blog.echobarrier.com/blog/tag/hotel)
- [how to install industrial sound blankets (1)](https://blog.echobarrier.com/blog/tag/how-to-install-industrial-sound-blankets)
- [how to reduce air conditioner noise (1)](https://blog.echobarrier.com/blog/tag/how-to-reduce-air-conditioner-noise)
- [how to reduce industrial noise (1)](https://blog.echobarrier.com/blog/tag/how-to-reduce-industrial-noise)
- [how to reduce noise on site (1)](https://blog.echobarrier.com/blog/tag/how-to-reduce-noise-on-site)
- [how to stop fracking noise pollution (1)](https://blog.echobarrier.com/blog/tag/how-to-stop-fracking-noise-pollution)
- [hvac noise barrier (1)](https://blog.echobarrier.com/blog/tag/hvac-noise-barrier)
- [hvac noise barriers (1)](https://blog.echobarrier.com/blog/tag/hvac-noise-barriers)
- [jackhammer (1)](https://blog.echobarrier.com/blog/tag/jackhammer)
- [jobsite safety (1)](https://blog.echobarrier.com/blog/tag/jobsite-safety)
- [krakatoa (1)](https://blog.echobarrier.com/blog/tag/krakatoa)
- [learn more about fracking (1)](https://blog.echobarrier.com/blog/tag/learn-more-about-fracking)
- [logistics noise (1)](https://blog.echobarrier.com/blog/tag/logistics-noise)
- [loud pile drivers (1)](https://blog.echobarrier.com/blog/tag/loud-pile-drivers)
- [loudest noise on earth (1)](https://blog.echobarrier.com/blog/tag/loudest-noise-on-earth)
- [loudness vs volume (1)](https://blog.echobarrier.com/blog/tag/loudness-vs-volume)
- [mayor new york fracking ban (1)](https://blog.echobarrier.com/blog/tag/mayor-new-york-fracking-ban)
- [mine noise (1)](https://blog.echobarrier.com/blog/tag/mine-noise)
- [natural noise absorption (1)](https://blog.echobarrier.com/blog/tag/natural-noise-absorption)
- [neighbourhood noise (1)](https://blog.echobarrier.com/blog/tag/neighbourhood-noise)
- [new york fracking ban (1)](https://blog.echobarrier.com/blog/tag/new-york-fracking-ban)
- [new york noise (1)](https://blog.echobarrier.com/blog/tag/new-york-noise)
- [noise control act (1)](https://blog.echobarrier.com/blog/tag/noise-control-act)
- [noise control laws (1)](https://blog.echobarrier.com/blog/tag/noise-control-laws)
- [noise curtain (1)](https://blog.echobarrier.com/blog/tag/noise-curtain)
- [noise fence panels (1)](https://blog.echobarrier.com/blog/tag/noise-fence-panels)
- [noise mitigation (1)](https://blog.echobarrier.com/blog/tag/noise-mitigation)
- [noise reduction in mining (1)](https://blog.echobarrier.com/blog/tag/noise-reduction-in-mining)
- [noise texas (1)](https://blog.echobarrier.com/blog/tag/noise-texas)
- [nrc (1)](https://blog.echobarrier.com/blog/tag/nrc)
- [pickleball noise (1)](https://blog.echobarrier.com/blog/tag/pickleball-noise)
- [pile driver noise (1)](https://blog.echobarrier.com/blog/tag/pile-driver-noise)
- [portable air conditioner (1)](https://blog.echobarrier.com/blog/tag/portable-air-conditioner)
- [portable cutting station (1)](https://blog.echobarrier.com/blog/tag/portable-cutting-station)
- [project manager (1)](https://blog.echobarrier.com/blog/tag/project-manager)
- [pros and cons of fracking (1)](https://blog.echobarrier.com/blog/tag/pros-and-cons-of-fracking)
- [quiet (1)](https://blog.echobarrier.com/blog/tag/quiet)
- [quiet generators (1)](https://blog.echobarrier.com/blog/tag/quiet-generators)
- [quietest circular saw (1)](https://blog.echobarrier.com/blog/tag/quietest-circular-saw)
- [quietest generators (1)](https://blog.echobarrier.com/blog/tag/quietest-generators)
- [quietest jackhammers (1)](https://blog.echobarrier.com/blog/tag/quietest-jackhammers)
- [quietest table saws (1)](https://blog.echobarrier.com/blog/tag/quietest-table-saws)
- [recycle (1)](https://blog.echobarrier.com/blog/tag/recycle)
- [reducing noise from cutting (1)](https://blog.echobarrier.com/blog/tag/reducing-noise-from-cutting)
- [reducing noise on indoor construction sites (1)](https://blog.echobarrier.com/blog/tag/reducing-noise-on-indoor-construction-sites)
- [remodelling (1)](https://blog.echobarrier.com/blog/tag/remodelling)
- [renovation (1)](https://blog.echobarrier.com/blog/tag/renovation)
- [reusable acoustic barriers (1)](https://blog.echobarrier.com/blog/tag/reusable-acoustic-barriers)
- [road noise barrier (1)](https://blog.echobarrier.com/blog/tag/road-noise-barrier)
- [season (1)](https://blog.echobarrier.com/blog/tag/season)
- [seasonal rentals (1)](https://blog.echobarrier.com/blog/tag/seasonal-rentals)
- [site barriers (1)](https://blog.echobarrier.com/blog/tag/site-barriers-es)
- [solutions for mitigating noise at festivals (1)](https://blog.echobarrier.com/blog/tag/solutions-for-mitigating-noise-at-festivals)
- [sonyc (1)](https://blog.echobarrier.com/blog/tag/sonyc)
- [sound apps (1)](https://blog.echobarrier.com/blog/tag/sound-apps)
- [sounds blankets for live events and concerts (1)](https://blog.echobarrier.com/blog/tag/sounds-blankets-for-live-events-and-concerts)
- [sports and community (1)](https://blog.echobarrier.com/blog/tag/sports-and-community)
- [summer construction (1)](https://blog.echobarrier.com/blog/tag/summer-construction)
- [sustainable (1)](https://blog.echobarrier.com/blog/tag/sustainable)
- [sustainable acoustic barriers, (1)](https://blog.echobarrier.com/blog/tag/sustainable-acoustic-barriers)
- [temporary sound absorbing blankets (1)](https://blog.echobarrier.com/blog/tag/temporary-sound-absorbing-blankets)
- [traffic noise (1)](https://blog.echobarrier.com/blog/tag/traffic-noise)
- [traffic noise barrier (1)](https://blog.echobarrier.com/blog/tag/traffic-noise-barrier)
- [traffic noise wall (1)](https://blog.echobarrier.com/blog/tag/traffic-noise-wall)
- [transformer (1)](https://blog.echobarrier.com/blog/tag/transformer)
- [transformer noise (1)](https://blog.echobarrier.com/blog/tag/transformer-noise)
- [tree noise absorption (1)](https://blog.echobarrier.com/blog/tag/tree-noise-absorption)
- [tree sound absorption (1)](https://blog.echobarrier.com/blog/tag/tree-sound-absorption)
- [truck stop noise (1)](https://blog.echobarrier.com/blog/tag/truck-stop-noise)
- [truck terminal noise (1)](https://blog.echobarrier.com/blog/tag/truck-terminal-noise)
- [truck yard noise (1)](https://blog.echobarrier.com/blog/tag/truck-yard-noise)
- [using echo barriers (1)](https://blog.echobarrier.com/blog/tag/using-echo-barriers)
- [wash echo barrier (1)](https://blog.echobarrier.com/blog/tag/wash-echo-barrier)
- [waterproof acoustic panels (1)](https://blog.echobarrier.com/blog/tag/waterproof-acoustic-panels)
- [wedding (1)](https://blog.echobarrier.com/blog/tag/wedding)
- [what is environmental noise? (1)](https://blog.echobarrier.com/blog/tag/what-is-environmental-noise)
- [winter (1)](https://blog.echobarrier.com/blog/tag/winter)
- [z frequency weighting (1)](https://blog.echobarrier.com/blog/tag/z-frequency-weighting)

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