Method, apparatus, and device for transient noise detection

An apparatus for transient noise detection, comprising:

• an obtaining module configured to obtain a first audio frame signal having a preset duration, the first audio frame signal comprising a plurality of samples and an audio intensity value of each sample;
• a decomposition module configured to perform wavelet decomposition on a first audio frame signal to obtain a first wavelet decomposition signal corresponding to the first audio frame signal, the first wavelet decomposition signal comprising a plurality of sub-wavelet decomposition signals, and each sub-wavelet decomposition signal comprising a plurality of samples and an audio intensity value of each sample;
• a determining module configured to determine a first reference audio intensity value of a first sub-wavelet decomposition signal according to reference audio intensity values of all samples in the first sub-wavelet decomposition signal;
• the determining module is further configured to determine energy distribution information of the first wavelet decomposition signal according to first reference audio intensity values of all sub-wavelet decomposition signals in the first wavelet decomposition signal;
• and
• the determining module is further configured to determine a probability that the first audio frame signal is transient noise according to the energy distribution information of the first wavelet decomposition signal.

A device for transient noise detection, comprising a transceiver, a processor, and a memory, wherein the processor is configured to execute computer programs stored in the memory to implement the following operations:

• obtaining a first audio frame signal having a preset duration, the first audio frame signal comprising a plurality of samples and an audio intensity value of each sample;
• performing wavelet decomposition on the first audio frame signal to obtain a first wavelet decomposition signal corresponding to the first audio frame signal, the first wavelet decomposition signal comprising a plurality of sub-wavelet decomposition signals, and each sub-wavelet decomposition signal comprising a plurality of samples and an audio intensity value of each sample;
• determining a first reference audio intensity value of a first sub-wavelet decomposition signal according to reference audio intensity values of all samples in the first sub-wavelet decomposition signal;
• determining energy distribution information of the first wavelet decomposition signal according to first reference audio intensity values of all sub-wavelet decomposition signals in the first wavelet decomposition signal;
• and
• determining a probability that the first audio frame signal is transient noise according to the energy distribution information of the first wavelet decomposition signal.