The invention relates to an elevator alarm sound detection system based on audio features; an operation process identification module is used for identifying whether an elevator has an operation process; an audio data processing module is used for performing feature construction on audio data to form a first audio feature and a second audio feature; a model fitting module comprises a first alarm sound detection module and a second alarm sound detection module and is used for carrying out alarm sound detection on the first audio feature and the second audio feature; and an output module is used for giving out alarm sound. According to the elevator alarm sound detection system, the first audio feature and the second audio feature are respectively formed by performing feature construction on the audio data and are respectively input into the first alarm sound detection module and the second alarm sound detection module for alarm sound recognition; the alarm sound is given out when the two modules recognize the alarm sound at the same time; the operation process can be judged in combination with acceleration data, and finally a specific alarm type is generated; and hardware requirements are low and identification precision is high.
本发明涉及一种基于音频特征的电梯告警音检测系统,运行过程识别模块用于识别电梯是否存在运行过程,音频数据处理模块用于对音频数据进行特征构造形成第一音频特征和第二音频特征;模型拟合模块包括第一告警音检测模块和第二告警音检测模块,用于针对第一音频特征和第二音频特征进行告警音检测;输出模块用于发出告警音。本发明通过对音频数据进行特征构造分别形成第一音频特征和第二音频特征在分别输入第一告警音检测模型和第二告警音检测模型进行告警音识别,当两个模型同时识别为告警音时发出告警音,并且可以结合加速数据对于运行过程进行判断,最终生成具体的告警类型。硬件要求低、识别精度高。
Elevator alarm sound detection system based on audio features
基于音频特征的电梯告警音检测系统
2021-06-15
Patent
Elektronische Ressource
Chinesisch
IPC: | B66B Aufzüge , ELEVATORS |
ELEVATOR ALARM DEVICE AND ELEVATOR ALARM NOTIFICATION METHOD
Europäisches Patentamt | 2016
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