Sound Environment Declaration
Sound Environment Declaration
Chapter 1
Sound Was Always Part of Our Environment
Sound is naturally absorbed into our bodies. The Quality of Space Itself
At some point, our lives became filled with directional, artificial sounds and waves.
Television, computers, smartphones, appliances, air conditioning, traffic. Small but unceasing sounds that make us aware of where they originate.
Our brains unconsciously track these sounds all day long.
Quiet, yet somehow exhausting. Home, yet somehow not restful. Have you ever slept but woken up feeling unrecovered?
Standing in a forest, we are enveloped by sound — we feel it with our entire being.
The birdsong, the wind, the rustle of leaves — none of it comes forcefully from a single direction.
Sound simply exists, all around us.
Before we know it, we dissolve into the space, and our breathingsynchronizes with the rhythm of nature.
Chapter 2
We Define the Concept of 'Sound Environment'
Sound can be gentler. Sound can be freer. Sound can be something that embraces us from within.
We believe sound should not be something forced upon listeners, but something that elevates the quality of a space, returning sound to its natural, human-centered form.
[Sound Environment — Official Definition]
Sound Environment refers to a concept that goes beyond volume, audio quality, and the presence or absence of music — encompassing how sound spreads, its directionality, persistence, and integration into space — including the impact that the very nature of sound has on human physiology, psychology, and behavior, to describe the overall 'quality of sound' within a space.
We approach sound not as 'information' or 'stimulation,' but as an environmental factor — like light or air — whose quality can be designed. We call this 'Sound Environment Design.'
Chapter 3
The Concept of 'Sound Air Conditioning'
Sound spreads uniformly through space, as in nature, harmonizing mind and body
In a well-balanced space, when you stop noticing where sound comes from and feel enveloped, your breathing naturally deepens.
Your shoulders relax. Your thoughts quiet. And the flow of time softens, just a little.
We call this state 'Sound Air Conditioning.'
[Sound Air Conditioning — Official Definition]
Sound Air Conditioning treats sound not as something to be 'played,' but as an environmental factor — like temperature and humidity — that shapes the quality of a space. By designing how sound spreads and its directionality to create a more human-centered environment, it aims to create conditions where people unconsciously relax, breathe deeper, and feel less fatigued — a philosophy of Sound Environment Design.
This is not about raising or lowering volume, nor about playing background music. We use this expression to mean harmonizing the very 'nature of how sound exists.'
Chapter 4
Our Mission
To create a world where people feel 'I'm glad to be alive' and 'I can see a future full of dreams.'
To create a world where people breathe comfortably within sound.
Sound environments that nurture mind and body — for homes.
Sound environments that heal — for healthcare facilities.
Sound environments that bring peaceful sleep — for hotels.
Sound environments that energize focus — for offices.
Since its founding in 2000, M's system has spent over 25 years exclusively dedicated to creating better ways for sound to exist.
What we wish to share here is
M's system, Inc.
Sound Environment Design Company
"The moment I was enveloped in the sound,
my whole body relaxed"
— Customer voice"The moment I was enveloped in the sound, my whole body relaxed." — Customer voice
Experience Sound Environment
for YourselfExperience Sound Environment for Yourself
Experience the 'Sound Environment' of wave-motion speakers at our Tokyo Shintomi showroom.