Mayer & Williams PC
Scream detection method and apparatus therefor
A scream determination method for determining whether a window signal, selected by a window having a predetermined time length, among collected an audio signal includes a signal corresponding to the scream of a person, performs a process for each section, the process comprising the steps of: generating “FFT signals” and “S-FFT signals”; determining whether the number of points having a predetermined fifth reference value among the S-FFT signals satisfies a predetermined third condition; and determining whether energy patterns of predetermined specific frequency bands satisfy a predetermined fifth condition.
SAFERWAY MOBILE, INC
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Seon Jeong
Lee