Experiment: Long-term recording in Great South Channel
                  Indir: /Volumes/Acoustics02/GSC0414/NS15/amar/raw
                 Outdir: /Volumes/Acoustics02/GSC0414/NS15/amar/processed
              StartDate: 04/01/14 00:00:00
           PlatformType: Moored recorder
             PlatformID: NS15
         InstrumentType: AMAR
           InstrumentID: 34587
             FileFormat: WAV24
          FileExtension: wav
           FileDateSpec: YYYY-MM-DD-hh-mm-ss
               TimeZone: GMT
             Originator: Mark Baumgartner
               Location: Great South Channel
           FileDuration: 1800.0
                  Frame: 512
                Overlap: 0.75
                 Smooth: 1

        CallLibraryFile: /Users/Mark/Projects/Detectors/lfdcs/call_library/clnb_gom7/call_library.nc
      CallLibraryFileBB: /Users/Mark/Projects/Detectors/lfdcs/call_library/clbb_gom/call_library_broadband.nc

  DetectionFileDuration: 5.0      ; how many days worth of autodetections to put in each detection file

                  Scale: 0.0030   ; conversion parameters for spectrogram (dB -> unsigned short int)
                 Offset: -100.0

    SpectrogramDuration: 30.0     ; duration of the spectrogram window to be processed (seconds); choose based on how 
                                  ; long longest call is expected to be
    PitchTrackingWindow: 25.0     ; duration of the window where pitch tracking will occur (seconds)
                                  ; make a few seconds shorter than SpectrogramDuration because that time is used to 
                                  ; identify and remove transient and persistent broadband signals before a spectrum 
                                  ; can be moved into the spectrogram

   NoiseReductionWindow: 60.0     ; duration of the window over which spectrogram equalization will take place (seconds)
                                  ; equalization occurs by subtracting an exponentially-weighted running mean from each 
                                  ; frequency band in the spectrogram; results are deviations in amplitude from the 
                                  ; background noise 

     AvgFFTLowThreshold: -10.0    ; minimum level for how quiet the average FFT value can be relative to background to be 
                                  ; included in the exponentially-weighted running means; helps keep very quiet periods out 
                                  ; of the running mean used for spectrogram normalization (really specific to DMON 
                                  ; hydrophone shut-off)
    AvgFFTHighThreshold:  10.0    ; maximum level for how loud the average FFT value can be relative to background to be 
                                  ; included in the exponentially-weighted running means; helps keep very loud broadband 
                                  ; noise out of the running mean used for spectrogram equalization
    AvgFFTDurationLimit: 300.0    ; indicates how long to tolerate running mean *not* being updated; after this period, 
                                  ; running mean is forced to reset

        BBP_InThreshold: 5.0      ; minimum level in spectrogram to indicate a persistent broadband sound - defines "loud" 
                                  ; broadband sound (dB)
         BBP_InDuration: 1.5      ; minimum duration of loud sound before ending pitch tracking (seconds)
       BBP_OutThreshold: 5.0      ; maximum level of spectrogram to indicate quiet after a persistent broadband sound (dB)
        BBP_OutDuration: 4.0      ; minimum duration of quiet period after a persistent broad sound to resume pitch 
                                  ; tracking (seconds)
        BBP_MaxDuration: 300.0    ; maximum duration of a persistent broadband sound - after this duration, the running mean 
                                  ; is reset and the persistent sound is considered part of the background

  BB_DetectionThreshold: 9.6      ; minimum level in spectrogram to trigger transient broadband detection (dB)
      BB_MinSegmentSpan: 150.0    ; minimum frequency range of a transient broadband segment (Hz)
        BB_MinTotalSpan: 200.0    ; minimum accumulated frequency range of all transient broadband segments of a broadband 
                                  ; signal (Hz)
BB_MinBroadbandDuration: 0.125    ; minimum duration of a transient broadband signal (seconds); min and max frequency of each 
                                  ; broadband segment is saved, then lowest min and the highest max are used to box out entire 
                                  ; transient broadband sound

     DetectionThreshold: 10.0     ; minimum amplitude in a spectrogram to trigger the DCS/pitchtracking (dB)
                                  ; pitch track forward to locate the end of the call and pitch track backwards to identify
                                  ; the start of the call (backward pitch track is final pitch track)
                                  ; do it this way because the call will likely start earlier in time than when it is first 
                                  ; detected with the amplitude threshold (call ramps up at beginning and ramps down at end)
  CostGradientThreshold: 15.0     ; used to decide when to stop pitch tracking (i.e., to identify the start or end of the 
                                  ; call) (dB)
      DistanceWeighting: 20.0     ; weight associated with "jumping" an octave in frequency in successive time slices (dB)

        MinCallDuration: 0.25     ; minimum duration of a pich track to be kept as a legitimate call (seconds)
        MinAvgAmplitude: 10.0     ; minimum average amplitude of the pitch track to be kept as a legitimate call (dB)
           BlankingTime: 0.25     ; time before and after a time slice in the pitch track to be blanked or set to zero (seconds)
           BlankingFreq: 20.0     ; frequency above and below a time slice in the pitch track to be blanked or set to zero (Hz)