What is Sound Masking and How Does it Work? Sound Masking Defined
Commercial sound masking systems create more productive and comfortable environments by promoting speech privacy, reducing distractions, and protecting sensitive information. This allows the people in the area to focus more on their own work or interactions by making other conversations and noises around them less noticeable. Sound masking can promote speech privacy, reduce noise distractions, and increase focus and productivity while also protecting private conversations.
It may sound great that sound masking and speech privacy systems can provide so many benefits in open offices, clinics, workplaces, pharmacies, and other business applications, but what is sound masking and how does it work to reduce noise? Does sound masking really work?
In this blog, we'll cover:
- What is sound masking?
- How does sound masking work?
- Why is sound masking used?
- Where is sound masking being used?
- How is sound masking different from white noise?
- Does sound masking really work?
- Why use sound masking in an office?
- Can you use music as sound masking?
- What is a sound masking system?

What is sound masking?
Sound masking is a popular acoustic process that adds a specific, soft ambient background sound engineered to match the frequency range of human speech, reducing noise distractions, protecting speech privacy, and increasing comfort for your staff, patients, customers, and listeners. It is also sometimes referred to as noise masking or speech privacy.
How does sound masking work?
By installing a distributed audio system above or in the ceiling, we can add acoustically tuned ambient background sound that helps people unconsciously focus more on the masking than on everything else going on around them. Because sound masking targets the same frequency range as human speech, it reduces speech intelligibility. It also slightly raises the overall volume of the space in a controlled way to eliminate excess stimuli, making the area seem quieter.
Direct Field Sound Masking vs Indirect Sound Masking
There are a couple of different types of sound masking. Indirect sound masking is when the sound masking speaker is mounted above the ceiling, inside the plenum space, and points upward. The sound then reflects down over the area below.

Then there is direct-field sound masking, where the speaker is mounted on the ceiling, pointed down towards the listener, more like a traditional speaker system.

Both can be effective in various applications.
Why is sound masking used?
Sound masking speakers paired with a sound masking noise generator help protect sensitive content and enhance your overall worker comfort and productivity by eliminating some of the distractions around them. It also helps protect individual privacy while meeting HIPAA compliance and legal standards when workers discuss private customer information, such as financial or healthcare records.
Sound masking has become more important due to the widespread transition to more open-plan architecture and layouts, cubicles, and call-center-type workspaces with many people in tight spaces. It is difficult for workers to focus on their jobs when it's easy to listen to what their neighbor is doing. That's where sound masking comes in.
Where is sound masking being used?
Privacy sound masking can protect sensitive information and provide a more pleasant atmosphere in buildings such as banks and financial organizations, military and government agencies, hotel lobbies, spas, libraries, educational institutions, hospitals, pharmacies, retail, churches, and offices - anywhere that needs more speech privacy and fewer distractions.
How is sound masking different from white noise?
White noise is a generic term for a random signal having equal intensity at different frequencies. Sound masking is not the same as white noise, although white noise generators are sometimes used in sound masking systems. Sound masking is consciously tuned to be as pleasant as possible while also focusing on speech frequencies, so we are less inclined to listen to what's going on next to us.
Does sound masking really work?
Absolutely. It works first by canceling out certain speech frequencies, but also by raising the overall noise floor to limit distractions and improve speech privacy, which can be especially useful in government buildings or high-security facilities.
Why use sound masking in an office?
One reason office sound masking is important is that it allows you to mask sensitive content you don't want unintended listeners to overhear. Sound masking systems for offices protect patient privacy, reinforce confidentiality, and increase employee well-being. By eliminating distractions, noise masking systems create a more productive workspace. Strategic masking noise blends into the background of shared workspaces and open-plan offices, which has been shown to boost productivity.
Instead of sound masking, can you use music?
We would say the answer is no. Masking differs from music in that it is constant, just like the air conditioning running in the background. It's always set to the same volume. With music, obviously, you have high notes, low notes, fast parts, slow parts, and songs stopping and starting, so our minds pay a little more attention to it.
However, to really change the ambiance of your space, you can always play music with the masking. But we always want to run that masking noise first.
What is a sound masking system?
The components of commercial sound masking systems typically include direct or indirect field plenum-rated speakers, sound masking generators, wall control panels, and other sound masking accessories.
Sound Masking Manufacturers
A few of our top sound masking equipment manufacturers are Biamp Cambridge Sound Masking, Atlas Sound Masking, Pure Resonance Audio, Lowell Sound Masking, and Yamaha Unified Communications. These manufacturers produce quality sound masking devices that will be game-changers for your business, office, clinic, and more. Here are a few of our favorite sound masking speaker systems with a few of these brands.
Popular Sound Masking Systems
Do you need sound masking?
Need help finding the best sound masking solution for your application? We would love to help you address sound-masking needs in your commercial workplace. Give us a call at (888)-256-4112 or email us at sales@proacoustics.com, and we will be happy to chat.


