Active noise cancelling technology

Active noise cancelling technology uses a microphone to sample the sound, and a speaker to create a phase-shifted sound that cancels the original sound.

Why active noise cancelling

Traditional passive earplugs

传统耳塞使用被动的方式减弱进入耳内的声音。尽管传统耳塞在阻挡高频声音效果明显,但在低频区间却效果不佳,尤其是低于200Hz的声音。

因此,传统耳塞的问题区域是这些低频率。 这种穿透性低频声音的例子包括飞机噪声(70赫兹的噪声峰值),工厂中的噪声以及来自建筑物墙壁的噪声。 当您在飞机上使用被动式耳塞时,您会注意到,虽然它减少了在机舱内聊天的人的声音,但背景引擎的噪音几乎没有变化。

QuietOn耳塞兼具入耳式被动降噪的全部优势以及主动降噪功能,可提供整个音频频谱的最佳降噪效果,同时也使得QuietOn适用于任何嘈杂的环境

QuietOn active noise cancelling earplugs

QuietOn earplugs combine the advantages of in-ear passive earplugs with active noise cancelling, providing optimal noise reduction across the whole audible spectrum, especially most effective at low frequencies such as snoring sounds, ambient noises coming through walls, or airplane cabin noises.

Snoring is mostly comprised of these low-frequency sounds. That’s why QuietOn earplugs can drown out significantly this annoying noise and bring you a good night’s sleep.

the battle between

Active noise cancelling vs noise masking

Active noise cancelling

Active noise cancelling technology uses a microphone to sample the sound, and a speaker to create a phase-shifted sound that cancels the original sound.

Noise masking

There are also a couple of noise-masking devices on the market. They do partly mask some part of the noise, but unless a very loud masking level is used, you still can hear both the masking noise (i.e., rainfall) and the snoring from your partner.

A revolution in size

The smallest active noise cancelling device

We have analyzed different ear anatomies to find the perfect shape and spent countless hours finding ways to make the technical components even smaller, fitting in a small plastic earplug body without compromising performance. The earplugs can cancel up to 40dB and have a long battery life of 50h (first model) and 20h (second model).

We cooperated with industrial designer, Antti Ylisassi, who has worked as a design lecturer, designer, and design manager across Europe, e.g. in Düsseldorf, Stockholm, and Helsinki. His experience and expertise help perfect the sleep earplugs, bringing the most to sleepers.

Patented earplugs

QuietOn holds a concept patent for active noise cancelling earplugs which fit in ear anatomy. FI26466 (Finland), 10171904 (USA).

QuietOn active noise cancelling earplugs (Original model) are also certified hearing protector device EN352 by 89/686EEC. Notified body PZT GmbH nr 1974.

How quieton earplugs work

The microphone is located outside like on many other active noise cancelling devices. This is called feed forward active noise cancelling. Internal mic system is called Feedback Active Noise Cancelling.  In noise cancelling, the difference is that the outside microphone has a time advantage over internal mic which enables noise cancelling to work at higher frequencies.  With the first and second model, QuietOn is proud to be the first smallest active noise cancelling device. 

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