Abnormity detection method and device for voice data
An anomaly detection and voice data technology, applied in the direction of line monitoring circuit, etc., can solve the problems of unsatisfactory accuracy of anomaly detection results, unavoidable call anomalies, detection of time domain detection methods, etc.
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[0044] Embodiments of the present application are described below in conjunction with the accompanying drawings.
[0045] When a user makes a call using a mobile phone or a landline or other communication device, there are some abnormal situations, such as a single failure of a microphone (MIC), a board-level connection failure, a user failure, etc., wherein the single failure of the MIC It means that foreign matter enters the diaphragm of the MIC monomer of the communication device and causes local adhesion of the diaphragm. The board-level connection fault refers to an instantaneous short circuit in the audio channel. The operation causes the finger to block the MIC hole. During a call, when one or more of these faults occur, the time domain signal in the voice data may be normal but the frequency domain signal is abnormal, and the abnormal frequency domain signal may cause silent or intermittent calls during the call.
[0046] It can be seen that in the actual call process...
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