Add silent as an S3 stream status

Signed-off-by: Dave Thaler <[email protected]>

OrcanodeMonitor/Core/FfmpegCoreAnalyzer.cs

@@ -88,14 +88,14 @@ private static FrequencyInfo AnalyzeFrequencies(float[] data, int sampleRate, Or
             if (max < MinNoiseAmplitude)
             {
                 // File contains mostly silence across all frequencies.
-                frequencyInfo.Status = OrcanodeOnlineStatus.Unintelligible;
+                frequencyInfo.Status = OrcanodeOnlineStatus.Silent;
                 return frequencyInfo;
             }
 
-            if ((max <= MaxSilenceAmplitude) && (oldStatus == OrcanodeOnlineStatus.Unintelligible))
+            if ((max <= MaxSilenceAmplitude) && (oldStatus == OrcanodeOnlineStatus.Silent))
             {
-                // In between the min and max unintelligibility range, so keep previous status.
-                frequencyInfo.Status = OrcanodeOnlineStatus.Unintelligible;
+                // In between the min and max silence range, so keep previous status.
+                frequencyInfo.Status = oldStatus;
                 return frequencyInfo;
             }
 

OrcanodeMonitor/Models/Orcanode.cs

@@ -20,6 +20,7 @@ public enum OrcanodeOnlineStatus
         Hidden,
         Unauthorized,
         NoView,
+        Silent,
     }
     public enum OrcanodeUpgradeStatus
     {

OrcanodeMonitor/Pages/Index.cshtml

@@ -153,6 +153,9 @@
         <li>
             <b>S3 Stream Online</b>: Audio stream is working normally.
         </li>
+        <li>
+            <b>S3 Stream Silent</b>: Audio stream contains silence.
+        </li>
         <li>
             <b>S3 Stream Unauthorized</b>: Access denied when trying to check the audio stream.
         </li>

Test/UnintelligibilityTests.cs

@@ -36,12 +36,17 @@ private async Task TestSampleAsync(string filename, OrcanodeOnlineStatus expecte
             }
         }
 
+        [TestMethod]
+        public async Task TestSilentSample()
+        {
+            await TestSampleAsync("unintelligible\\live1791.ts", OrcanodeOnlineStatus.Silent);
+        }
+
         [TestMethod]
         public async Task TestUnintelligibleSample()
         {
             await TestSampleAsync("unintelligible\\live4869.ts", OrcanodeOnlineStatus.Unintelligible);
             await TestSampleAsync("unintelligible\\live1816b.ts", OrcanodeOnlineStatus.Unintelligible);
-            await TestSampleAsync("unintelligible\\live1791.ts", OrcanodeOnlineStatus.Unintelligible);
             await TestSampleAsync("unintelligible\\live1815.ts", OrcanodeOnlineStatus.Unintelligible);
             await TestSampleAsync("unintelligible\\live1816.ts", OrcanodeOnlineStatus.Unintelligible);
         }
@@ -61,11 +66,11 @@ public async Task TestNormalSample()
         public async Task TestHysteresisBehavior()
         {
             // Bush Point file from arond 5pm 11/18/2024 is relatively quiet (max amplitude 17.46).
-            // Test state retention when transitioning from Online to borderline Unintelligible.
+            // Test state retention when transitioning from Online to borderline Silent.
             await TestSampleAsync("normal/live6079.ts", OrcanodeOnlineStatus.Online, OrcanodeOnlineStatus.Online);
 
-            // Test state retention when transitioning from Unintelligible to borderline Online.
-            await TestSampleAsync("normal/live6079.ts", OrcanodeOnlineStatus.Unintelligible, OrcanodeOnlineStatus.Unintelligible);
+            // Test state retention when transitioning from Silent to borderline Online.
+            await TestSampleAsync("normal/live6079.ts", OrcanodeOnlineStatus.Silent, OrcanodeOnlineStatus.Silent);
 
             // Test clear state changes (should override hysteresis).
             await TestSampleAsync("unintelligible/live4869.ts", OrcanodeOnlineStatus.Unintelligible, OrcanodeOnlineStatus.Online);