Tune unintelligibility algorithm (#206)

Fixes #196 Signed-off-by: Dave Thaler <[email protected]>
orcasound · Nov 27, 2024 · dbccae2 · dbccae2
1 parent e80f1a1
commit dbccae2
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Showing 3 changed files with 4 additions and 1 deletion.
diff --git a/OrcanodeMonitor/Core/FfmpegCoreAnalyzer.cs b/OrcanodeMonitor/Core/FfmpegCoreAnalyzer.cs
@@ -12,7 +12,7 @@ namespace OrcanodeMonitor.Core
     public class FfmpegCoreAnalyzer
     {
         // We consider anything below this average amplitude as silence.
-        const double MaxSilenceAmplitude = 20.0;
+        const double MaxSilenceAmplitude = 17.0;
 
         // Minimum ratio of amplitude outside the hum range to amplitude
         // within the hum range.  So far the max in a known-unintelligible

diff --git a/Test/UnintelligibilityTests.cs b/Test/UnintelligibilityTests.cs
@@ -54,6 +54,9 @@ public async Task TestNormalSample()
             await TestSampleAsync("normal\\live385.ts", OrcanodeOnlineStatus.Online);
             await TestSampleAsync("normal\\live839.ts", OrcanodeOnlineStatus.Online);
             await TestSampleAsync("normal\\live1184.ts", OrcanodeOnlineStatus.Online);
+
+            // Bush Point file from arond 5pm 11/18/2024 is relatively quiet (max amplitude 17.46).
+            await TestSampleAsync("normal\\live6079.ts", OrcanodeOnlineStatus.Online);
         }
     }
 }
diff --git a/Test/samples/normal/live6079.ts b/Test/samples/normal/live6079.ts