Janne Kyllönen is co-founder and chief product officer at QuietOn. Before QuietOn, Janne worked with Nokia, Microsoft and Pehutec as Sr.Project Manager and Product Owner. Janne is widely recognized expert in technology development and user experience.
He is inventor of over 10 patents families and key creator of several product concepts. He has M.Sc. in Physics, Computer Science and Mathematics from University of Joensuu.
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Why Is There So Much Noise These Days?
- Some noises are caused by important work: garbage trucks, lawn mowers, air conditioners
- Some noises are created by people: music, singing
- But sometimes it can be too much
- As people move closer to each other in cities, there is bound to be more noise
How Much Damage Can Noise Cause To Hearing
- If you spend 2-3 hours per day with 85 decibels of noise
- Dentists are exposed to 70–75 decibels, 40% of dentists report hearing problems after they retire
- At 30 decibels, people can start to have problems with sleeping
- Above 55 decibels, people can experience heart problems
What Is The Frequency Of Noise
- Typically high frequency sounds are annoying…such as alarms
- But low frequency sounds can be ok for people
- 500 Hz – 1.2 Khz is the range of frequency that humans react more to
- Alarms are 3 Khz
- When music comes through the walls, its typically low frequency that can pass through walls: 50-250 Hz
- Walls reflect higher frequencies back
- Car engines are 100-500 Hz.
- Snoring is 200-800 Hz
What’s Wrong With Foam Earplugs
- Foam earplugs are not that effective for low frequencies – they may lower the decibels by about 5-10
- Foam earplugs are quite effective at higher frequencies above 1K
- Foam ear plus will not be effective for snoring, in the airplane or in the cars
- Foam earplugs are passive sound cancelling
How Does Noise Masking Work?
- Noise masking works by putting up sounds like a white noise
- But the sound is still going to have noise in the ear
- Research shows that people still don’t get the best REM sleep with noise
How does Active Noise Cancelling & Work?
- Electronics in your ear are able to detect sounds outside
- Then they emit other sounds to cancel out the external sound before it hits your ears
- The two opposing sound waves interfere and mute each other
- This allows the device to drop down the noise level by 30 decibels
- Active noise cancelling cannot work well over 1 KHz
How Does The QuietOn Work?
- Uses active noise cancelling effectively under 1KHz
- Also utilizes passive noise cancelling to help above 1KHz
- Reduces sounds by 30 decibels
- Has very low electrical emissions
- Allows you to use these devices in your ear while you sleep
Where Can People Get QuietOn?
- Go to QuietOn to get the device