How to prevent eavesdropping during top-secret negotiations from dojammer's blog

Today's society is the era of the Internet. Mobile surfing and playing games have become the norm. Sometimes, there have been cases where high-tech communication equipment has been used to eavesdrop on the meeting. In some particularly important venues, especially when the company needs to communicate with the other party during meetings and cooperation, it is very worried that someone will use a mobile phone or other high-tech equipment to eavesdrop and record, causing information security leaks. In today's developed life, people often think that we all think that discussing something important with others, but we are worried about the other party's recording, and the other party is also worried about my recording, which is harmful to us. How can we avoid these meaningful conversation information from being stolen by others?

Everyone treats each other sincerely, and there is also a very old way, that is, the two sides talk in the bathroom, so that both sides chat while taking a bath. Both sides take off only a short shorts. In addition, the short shorts are also soaked in water. It is almost impossible to carry a wiretap and other equipment. You can talk about things confidently. According to the current recording technology strength, recorders and equipment may avoid water, and under the control of the water environment, there is generally no recording effect.

Communication technology has been very developed. All conversations between people may be recorded. When both parties discuss very important confidential matters, they are somewhat worried about being recorded by the other party. Choosing a bathroom as the negotiation location is a good preventive measure. Men and men are suitable for negotiations in bathrooms; women and women are also suitable for negotiations in bathrooms; men and women are also suitable for negotiations in bathrooms. It's just that there are no bathrooms in many places, but there are generally bathing places. Talking about important things in the bathroom can also be used as a place to avoid being recorded by the other party.

In addition to these folk remedies, you can also use anti-eavesdropping software-signal jammers. By transmitting ultrasound waves containing random noise that cannot be perceived by the human ear, when using electronic digital products, this noise and the sound of ordinary conversations are captured in the digital product together, making the recorded audio invalid, and the audio information in the video has the same interference effect. And because the noise with ultrasonic noise is random and cannot be restored. Therefore, the audio after interference cannot be restored, which fully ensures that the original information will not be exposed and spread.

The cell phone signal jammer has high interference intensity: the ultrasonic noise optimization algorithm developed by us based on FPGA can effectively interfere with mobile phones, voice recorders and other digital products, can capture the noise, and completely avoid the harsh sound that only a few people can hear. The interference distance is far: the anti-recorder has an interference distance of more than 2 meters for 95% of mobile phones, more than 5 meters for 60% of mobile phones, and 10 meters for notebooks such as iPhoneX and iPhone8, which can effectively protect the content of conversations.