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source:Industry News release time:2021-09-30 Article author:sznbone Popular:Prison Jamming system
Prevent recording and block recording
When it comes to information security, no one is unfamiliar. Perhaps the first thing that comes to mind is that personal information is leaked. For example, if you buy a house, a decoration company will call you, and if you buy a car, an insurance company will contact you. Your personal information has been leaked. In fact, personal information security is not limited to this. Personal voice information security is also indispensable to information security. What you said at a certain time was recorded by someone, and you don’t even know it. These recording files may be taken out of context and become the so-called "evidence" to threaten you.
How can we protect the security of personal voice information? The recording blocker is a very effective product. It can send out interference signals to prevent the pickup or microphone from picking up normal voice information, and pick up the "buzzing" noise, so as to protect the voice information. The recording blocker is It is the easiest and most effective way to protect the security of voice information from the source of sound collection. Information security construction includes civil air defense and technical defense. In some scenarios, civil defense is impossible, so you must use high-tech products to take technical defense measures.
The recording blocker emits ultrasonic waves with random noise that human ears cannot perceive. When recording digital devices such as mobile phones, these noises are recorded into the digital device together with the sound of normal conversations, making the recorded audio invalid. The audio information in the video also has the same interference effect. Since the noisy ultrasonic noise is randomly generated and cannot be restored, the audio after the interference cannot be restored, thus ensuring that the original information is not leaked and spread.
The anti-recorder is only effective for mobile phones and other digital products, and has no interference to people. Because the human body does not receive ultrasound, the mobile phone records all noise, but people cannot hear it, so it does not affect normal conversation and communication, and it does not even detect the anti-interference. The recorder is working. High interference intensity: Our self-developed FPGA-based ultrasonic band noise algorithm can effectively interfere with mobile phones, voice recorders and other digital devices, and can record noise into it. The interference distance is long: the anti-recorder can interfere with 95% of mobile phones at a distance greater than two meters , The interference distance to 60% of mobile phones is more than 3 meters, and the interference distance to iPhone X, iPhone 8 and other mobile phones is 8 meters, which can effectively protect the conversation content
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