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In this paper, we suggest to utilize the reassigned method to improve a recognition of courant life audio signals based on the wavelet features. Reassigned approach generates a new time-frequency description by displacement spectrogram values away from their calculation location. Besides, reassignment method concentrates energy elements by displacing every time-frequency place to its group delay and...
This paper presents an approach aimed at recognizing environmental sounds for surveillance and security applications. We propose a robust environmental sound classification approach, based on spectrograms features derive from log-Gabor filters. This approach includes three methods. In the first two methods, the spectrograms are passed through an appropriate log-Gabor filter banks and the outputs...
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