Suspicious door opening sound identification apparatus and identification method
A technology of voice recognition and recognition devices, which is applied in voice recognition, voice analysis, instruments, etc., can solve the problems of low popularity, high price, and difficulty in guaranteeing recognition accuracy, and achieve the effect of improving safety and strong adaptability
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[0036] The present invention utilizes pattern recognition method to carry out automatic detection, and recognition device is made of sound trigger module 110, sound collection module 120, sound feature extraction processing module 130, sound recognition module 140, alarm module 150, camera module 160, sending information module etc., as figure 1 shown.
[0037] Sound trigger module: detect the size of the ambient sound, and start the acquisition module when the sound energy value is greater than the set value;
[0038] Sound collection module: collect sound data and perform analog-to-digital conversion; the sound trigger module and the sound collection module use the same set of sound collection components, first use the collection module to collect sound, and input the collected sound to the sound trigger module for judgment , if it is greater than the set startup value, feed back to the sound collection module to continue collecting the current voice data and perform analog-...
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