From aecccbc9dc567ade8cf54ce1478633c954f6407c Mon Sep 17 00:00:00 2001
From: towsey <m.towsey@qut.edu.au>
Date: Sat, 17 Oct 2020 16:44:58 +1100
Subject: [PATCH] Update EventFilters.cs

Issue #390 Added the analysis threshold as an argument to method dealing sideband activity. THis was an experiment. In the end did not use the argument but left , just in case might be used in future.
---
 src/AudioAnalysisTools/Events/EventFilters.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/AudioAnalysisTools/Events/EventFilters.cs b/src/AudioAnalysisTools/Events/EventFilters.cs
index 400a865df..d1918dfee 100644
--- a/src/AudioAnalysisTools/Events/EventFilters.cs
+++ b/src/AudioAnalysisTools/Events/EventFilters.cs
@@ -300,6 +300,7 @@ public static (int Count, double AveragePeriod, double SdPeriod) GetPeriodicity(
         /// <returns>A list of filtered events.</returns>
         public static List<EventCommon> FilterEventsOnSidebandActivity(
             List<SpectralEvent> events,
+            double analysisThreshold,
             BaseSonogram spectrogram,
             int lowerHertzBuffer,
             int upperHertzBuffer,
@@ -330,6 +331,7 @@ public static List<EventCommon> FilterEventsOnSidebandActivity(
                     var lowerSidebandMatrix = GetLowerEventSideband(ev, spectrogramData, lowerHertzBuffer, lowerBinGap, converter);
                     retainEvent1 = IsSidebandActivityBelowThreshold(
                         avEventDecibels,
+                        analysisThreshold,
                         lowerSidebandMatrix,
                         decibelThreshold);
                 }
@@ -339,6 +341,7 @@ public static List<EventCommon> FilterEventsOnSidebandActivity(
                     var upperSidebandMatrix = GetUpperEventSideband(ev, spectrogramData, upperHertzBuffer, upperBinGap, converter);
                     retainEvent2 = IsSidebandActivityBelowThreshold(
                         avEventDecibels,
+                        analysisThreshold,
                         upperSidebandMatrix,
                         decibelThreshold);
                 }
@@ -356,6 +359,7 @@ public static List<EventCommon> FilterEventsOnSidebandActivity(
 
         public static bool IsSidebandActivityBelowThreshold(
             double avEventDecibels,
+            double analysisThreshold,
             double[,] sidebandMatrix,
             double sidebandThreshold)
         {
@@ -364,6 +368,7 @@ public static bool IsSidebandActivityBelowThreshold(
             var averageMatrixDecibels = averageColDecibels.Average();
 
             // Is the average acoustic activity in the sideband below the user set threshold?
+            //bool avBgBelowThreshold = averageMatrixDecibels < analysisThreshold;
             bool avBgBelowThreshold = averageMatrixDecibels < sidebandThreshold;
             if (!avBgBelowThreshold)
             {