Mobile communication locating and tracking system and locating and tracking method thereof based on voiceprint recognition

A technology of voiceprint recognition and location tracking, which is applied in location information-based services, speech recognition, closed-circuit television systems, etc., can solve the problem of difficult location and capture of criminal suspects, save wireless transmission bandwidth, and increase misjudgment rates , Accurately capture the effect

Inactive Publication Date: 2013-08-07
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing mobile communication positioning technology is based on the mobile phone number, and it is difficult to locate and capture criminal suspects who have changed their mobile phone numbers.

Method used

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  • Mobile communication locating and tracking system and locating and tracking method thereof based on voiceprint recognition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] figure 1 It is shown that a specific embodiment of the present invention is a mobile communication positioning and tracking system based on voiceprint recognition, which is composed of: the control module Q is connected with the voiceprint recognition module P, the video monitoring subsystem M, and the mobile switching center respectively. The MSC is connected to the gateway mobile positioning center GMLC of the mobile communication network; the voiceprint recognition module P is also connected to the media gateway of the mobile switching center MSC.

[0019] A method for positioning and tracking using the above-mentioned mobile communication positioning and tracking system based on voiceprint recognition, the steps of which are;

[0020] (1) Voiceprint recognition: the control module Q controls the voiceprint recognition module (P) to obtain the user communication voice within the location tracking range from the media gateway of the mobile switching center MSC accordi...

Embodiment 2

[0024] The composition of the mobile communication location tracking system based on voiceprint recognition in this example is exactly the same as that in Embodiment 1. The method of using this mobile communication location tracking system to carry out location tracking is also basically the same as the method of embodiment 1, and the difference is only:

[0025] When performing the voiceprint recognition in step (1), before the control module Q controls the voiceprint recognition subsystem P to obtain the user communication voice within the location tracking range from the media gateway of the mobile switching center MSC, the control module Q will perform voiceprint recognition. The identified signal is transmitted to the mobile switching center MSC of the mobile communication network, and the mobile switching center MSC controls the mobile communication network to use serial free operation or code conversion exempt operation for voice communication.

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Abstract

The invention discloses a mobile communication locating and tracking system and a locating and tracking method thereof based on voiceprint recognition. The mobile communication locating and tracking system comprises a control module (Q) which is connected with a voiceprint recognition module (P), a video monitoring subsystem (M), a mobile switching center (MSC) and a gateway mobile locating center (GMLC) of a mobile communication network respectively; and the voiceprint recognition module (P) is further connected with media gateway of the mobile switching center (MSC). Whether criminal suspects change phone numbers or not, the system can locate and track the criminal suspects, a video monitoring subsystem is utilized to compare and confirm videos again on the basis of voiceprint comparison, so that the criminal suspects can be arrested rapidly and accurately.

Description

technical field [0001] The invention relates to a voiceprint recognition-based mobile communication positioning and tracking system and a positioning and tracking method thereof. Background technique [0002] In order to capture criminal suspects in time and accurately, criminal investigation techniques are usually required, such as mobile communication positioning technology, which can capture criminal suspects in a timely and accurate manner. Due to the continuous improvement of anti-reconnaissance awareness of criminals, after committing crimes, they will leave their hometowns, hide in different places, "change their appearance", and no longer use their original mobile phone numbers. However, the existing mobile communication positioning technology is based on the mobile phone number, and it is difficult to locate and capture the criminal suspect who has changed the mobile phone number. Contents of the invention [0003] The first purpose of the present invention is to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/02G10L15/30H04N7/18
Inventor 王献刘丽华
Owner SOUTHWEST JIAOTONG UNIV
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