Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching Silent (but powerful) mosquito repellent sound | ultrasonic deterrent | ultrasound. and this video is uploaded by 닥터사운드 ASMR at 2021-06-19T21:00:07-07:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [XIvkbCdal98]
| Name | Silent (but powerful) mosquito repellent sound | ultrasonic deterrent | ultrasound |
| Video Uploader | Video From 닥터사운드 ASMR |
| Upload Date | This Video Uploaded At 20-06-2021 04:00:07 |
| Video Discription | [ Pure Bops Playlist ] https://www.youtube.com/playlist?list=PL5YTYLtjMbeBaMG1xrwPXaTyKa0WtBUoR *** Keep playing the sound at least for 5 minutes to see the definite effects! *** ★★ Description added below. Please read!! ★★ [New] sleep cycle therapy version (20kHz) : https://youtu.be/2ZZ5YmgCoso Long range version (15kHz): https://youtu.be/zFi6hDRm9Y0 Original version (13~17kHz): https://youtu.be/RgmmKQWpIS4 Upgraded version (5~18kHz): https://youtu.be/4tKzm7cV2mU Soft version (15kHz): https://youtu.be/NHy7rmLVVCw Rain sound + ultrasonic version (20kHz): https://youtu.be/TJ6DVKYRRZw Bonfire + ultrasonic version (20kHz): https://youtu.be/UESeUSjm1H4 Space sound + ultrasonic version (20kHz): https://youtu.be/2VasnuxxHcM It is a high frequency (20 kHz) sound that is barely audible to the human ear. Although it is a high-frequency sound that most people cannot hear, infants and children under the age of 10 have very good hearing, so they can hear it. Those with good hearing, including the top 5% of teenagers, the top 3% of people in their 20s, and the top 1% of people over 30, can also hear. (If there is a crackling sound, it is not a mosquito-repelling ultrasound, but noise coming from the speaker. This ultrasound is a very high-pitched 'beep' sound like a dolphin sound) We recommend a volume of about 50% for cell phones, but if you feel discomfort in your ears or get a headache, you may reduce the volume to 20%. (It is a very powerful sound with a frequency that is quite annoying to female mosquitoes that bite people, so 20% volume is sufficient.) If there are infants or children around, it is recommended that you lower the volume (to about 20%) even if you cannot hear the sound. do. Additionally, it is a frequency that animals such as cats and dogs can also hear, so if there are pets around, set the volume to 20%. When using your mobile phone, please refrain from keeping a volume level above 60% for a long period of time, as this may cause ear fatigue even if you cannot hear it. If you are using a high-performance speaker with strong output, you should set the volume even lower. (It may vary depending on the type of speaker, but generally a volume of 30% or less is recommended. When infants, children, or pets are present, a volume of 10% is recommended.) If you don't see the effect of getting rid of mosquitoes right away, you can see a definite effect by turning it on for more than 5 minutes. If this doesn't work, try other mosquito extermination videos through the links provided above. Different species of mosquitoes may respond to different frequencies. Thank you for using Dr. Sound Channel. If you liked this video, please subscribe and like. We will continue to produce useful sounds in everyday life. Posted by Doctor Sound. +++ Additional explanation +++ To explain the principle of this mosquito-repelling ultrasound, the mosquitoes that bite people are female, and they need a lot of nutrients during the egg-laying season, so they supplement them by sucking the blood of people and animals. However, once female mosquitoes have fertilized a male mosquito, they no longer want the male mosquito and try to avoid them. This ultrasound is similar to the sound made by an actual male mosquito. So, when the female mosquito hears this sound, it becomes extremely stressed and either escapes to another place or crawls out of a corner and quietly fusses, not knowing what to do. I hope this video was helpful, and I hope you have a comfortable, mosquito-free night! [XIvkbCdal98] |
| Category | Howto & Style |
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