Patents Assigned to SAFERWAY MOBILE, INC
  • Patent number: 10468049
    Abstract: 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.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: November 5, 2019
    Assignee: SAFERWAY MOBILE, INC
    Inventor: Seon Jeong Lee