# File rbSnack/tkSnackUtil.rb, line 37
  def initialize( logPow, bkgrnd_power=nil)
    @power=logPow
    @bkgrnd_power = 52
    @min_duration =5
    @min_peak = 70
    @bkgrnd_power=bkgrnd_power unless bkgrnd_power==nil
  end