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source:Industry News release time:2021-10-08 Article author:sznbone Popular:Prison Jamming system
Recording blocker to protect information security and effectively prevent being recorded
With the development of the information society, illegal recording methods are becoming more and more diverse, and illegal recording equipment is even more diverse. Audio and video information is showing explosive growth and viral transmission. The two obvious characteristics of personal privacy, business secrets and other information have been compromised through conversations. The risk of disclosure. When you meet with someone and the content of the conversation is known to others, it means that you have been illegally recorded. When your business operations are well understood by competitors, your offices and conference rooms may be illegally recorded. Many companies And the individual suffered huge losses as a result.
Some legal elements collect important core secrets of our country’s politics, economy, military, science and technology. Illegal recording is one of these methods, especially in offices, confidential conference rooms, and places where recording is not allowed in the public security system, such as in courts. To detect whether people are carrying recording equipment, they can only use high-tech equipment to adopt technical precautions.
When illegal recording endangers itself and national interests, it’s time to say goodbye to information leaks. The L7B recording jammer developed by Shenzhou Mingda is upgraded on the basis of the original equipment, and the FPGA-based ultrasonic noise algorithm eliminates the old equipment. The high-frequency noise is added to the information of various brands of mobile phones and recording equipment that have been on the market in the past two years, and it has a very obvious effect on the new recording equipment and mobile phone recording.
Give yourself a safe private space and escort the security of state secrets. The FPGA-based ultrasonic band noise algorithm can effectively interfere with digital devices such as mobile phones and voice recorders, can record noises, and completely eliminate the harsh sound that a few people can hear. Widely used in: confidential meeting rooms, public security bureau petition center, procuratorate reception hall, courts, negotiation rooms, offices and other places for private conversations
When the recording muting device is recording, the recording muting device will generate a random noise signal, which can produce suppressive interference to the voice signal, so that the recording device picks up only the noise information, and cannot distinguish the voice information, thereby ensuring the quality of the voice information. Safety. The audio information in the captured video also has the same interference effect. Because the noisy ultrasonic noise is randomly generated and cannot be restored, the audio after being interfered cannot be restored.
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