Anti-eavesdrop method and anti-eavesdrop system
An anti-eavesdropping, sending direction technology, applied in frequency/direction characteristic devices, transducer circuits, voice analysis, etc., can solve the problems of being unable to be transmitted by the listener, unable to achieve secret transmission of sound, and inconvenient to use
Inactive Publication Date: 2014-01-15
GDS SOFTWARE SHENZHEN +1
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Problems solved by technology
When the sound information needs to be secretly transmitted to the designated listener, the most common transmission device is the earphone. However, when using the earphone to transmit the sound, the listener needs to wear the earphone at the same time to achieve the purpose of receiving the sound completely. has its inconvenience
If the speaker is used to transmit the sound, the inconvenience of the above-mentioned earphones can be solved. However, the sound transmission method of the traditional speaker is a broadcast type, that is, after the sound is played, the sound can be received within the reachable range of the sound wave, and it cannot be targeted at a single receiver. listener delivery
Although the current use of directional speakers can realize the transmission of sound in a single direction, other listeners on the straight line of the single transmission direction can still receive the sound, and thus cannot meet the requirements of secretly transmitting sound
Method used
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[0014] Such as figure 1 As shown, it is an operating environment diagram of the anti-eavesdropping system 10 of the present invention, the sound output device 1 is connected to the directional speaker 2 , and the sound output device includes a memory 12 and a processor 14 . The sound output device 1 can be a computer, mobile phone, personal digital assistant, MP4 and other devices. In this embodiment, the directional speaker 2 is connected to the sound output device 1 by wire or wirelessly. For example, the directional horn 2 can be integrated in the sound output device 1 by a wired method, or can be independent of the sound output device 1, and connected to the sound output device 1 by a wired or wireless manner, and the number of directional horns 2 is multiple, In this embodiment, the number of directional horns 2 is three.
[0015] The memory 12 is used to store data such as program codes of the anti-eavesdropping system 10 .
[0016] The directional speaker 2 is used f...
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Provided is an anti-eavesdrop method and an anti-eavesdrop system. The method comprises an output step of outputting voice signals by a voice output device; a processing step of segmenting the above voice signals into different voice sections; a control step of distributing all the voice sections and inputting the sections into multiple directive loudspeakers; a gain step of gaining and amplifying the voice signals in the voice sections by power amplifiers of the directive loudspeakers; and a sending step of sending the voice sections that have been gained and amplified by the directive loudspeakers to a listener through different sending directions, the listening positioned at a junction of the sending directions of the directive loudspeakers. According to the method and the system of the invention, voice is segmented into multiple voice sections which are then sent by multiple directive loudspeakers to a listener in a directive manner, such that the listener can receive voice information, not worrying that other people will be interfered or worrying that a private conversation will be listened by others.
Description
technical field [0001] The invention relates to an anti-eavesdropping method and system. Background technique [0002] At present, devices for transmitting sound to listeners can be divided into two types: earphones and loudspeakers. When the sound information needs to be secretly transmitted to the designated listener, the most common transmission device is the earphone. However, when using the earphone to transmit the sound, the listener needs to wear the earphone at the same time to achieve the purpose of receiving the sound completely. has its inconvenience. If the speaker is used to transmit the sound, the inconvenience of the above-mentioned earphones can be solved. However, the sound transmission method of the traditional speaker is a broadcast type, that is, after the sound is played, the sound can be received within the reachable range of the sound wave, and it cannot be targeted at a single receiver. The listener sends. Although the current use of directional sp...
Claims
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Login to View More IPC IPC(8): H04R3/00H04R1/20G10L21/00
Inventor 黄信维王建通
Owner GDS SOFTWARE SHENZHEN