Law enforcement detection method based on voice processing technology
A voice processing and detection method technology, applied in voice analysis, voice recognition, TV system components, etc., can solve the problems of not being able to recognize the natural voice of police officers and civilized law enforcement of people who cannot recognize the situation
Inactive Publication Date: 2020-01-14
江苏网进科技股份有限公司
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[0004] Chinese patent 201720380624.X discloses an intelligent body-worn recorder that supports voice recognition classification and labeling. The voice recognition module in this patent can only recognize the number strings of 0-9, which is used for file name archiving, and cannot recognize the natural voice of police officers. , without language recognition and voiceprint recognition modules
[0006] Therefore, the existing technology cannot identify whether the person in the situation is civilized law enforcement, that is, the existing technology does not reveal whether the person who speaks the uncivilized language is a police officer, or whether the police officer speaks Mandarin
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[0023] The above solution will be further described below in conjunction with specific embodiments. It should be understood that these examples are used to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions adopted in the examples can be further adjusted as the conditions of specific manufacturers, and the implementation conditions not indicated are usually the conditions in routine experiments.
[0024] Please refer to figure 1 As shown, the present invention provides a law enforcement detection method based on voice processing technology, the method comprising:
[0025] Step S1, acquiring audio files in the video files recorded by the law enforcement recorder. Specifically, the audio files in the video files recorded by the law enforcement recorder are exported, and the audio files are stored on a computer or a server.
[0026] Step S2, extracting a voice segment of someone speaking in the audio file. In on...
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The invention provides a law enforcement detection method based on a voice processing technology, which is used for identifying a video file recorded by a law enforcement recorder. The method comprises the following steps: acquiring an audio file in the video file recorded by the law enforcement recorder; detecting whether a person speaks in the audio file, extracting voice segments in the audio file that the person speaks; carrying out segmentation analysis on the extracted voice segments, so that each voice segment contains only one speaker; extracting the coding features of speakers in thevoice segments, and estimating and clustering the number of the speakers by using a spectral clustering method, so that the voice segments of the same speaker are clustered together to obtain a plurality of clustered voice files; and identifying the voice file belonging to law enforcement personnel in the clustered voice files, thereby facilitating assisting in carrying out supervisory work of civilized law enforcement.
Description
technical field [0001] The invention relates to the field of law enforcement equipment, in particular to a law enforcement detection method and system based on voice processing technology. Background technique [0002] Civilized law enforcement is a requirement for the police and urban management and other public security system personnel to carry out on-site law enforcement, and it is an important part of maintaining a harmonious society. Police officers need to wear law enforcement recorders in accordance with regulations to record audio and video signals throughout the process. After returning from the police, if the audio and video information passes manual inspection, it will be time-consuming and laborious. Moreover, the coverage of traditional manual sound playback inspection is small, and the evaluation results are inevitably highly subjective and non-repeatable. Therefore, it is necessary to invent an automated civilized law enforcement detection method and system ...
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IPC IPC(8): G10L25/87G10L25/51G10L17/06G10L15/00G10L15/08
CPCG10L25/87G10L25/51G10L17/06G10L15/005G10L15/08H04N5/9202
Inventor 李参宏
Owner 江苏网进科技股份有限公司