diff --git a/internal/audio/input.go b/internal/audio/input.go
index fc6f5c6..a177e42 100644
--- a/internal/audio/input.go
+++ b/internal/audio/input.go
@@ -110,6 +110,12 @@ func (aim *AudioInputManager) WriteOpusFrame(frame []byte) error {
 	atomic.AddInt64(&aim.framesSent, 1)
 	aim.recordFrameProcessed(len(frame))
 	aim.updateLatency(processingTime)
+
+	// Record latency to granular metrics collector for histogram
+	if granularCollector := GetGranularMetricsCollector(); granularCollector != nil {
+		granularCollector.RecordInputLatency(processingTime)
+	}
+
 	return nil
 }
 
@@ -145,6 +151,12 @@ func (aim *AudioInputManager) WriteOpusFrameZeroCopy(frame *ZeroCopyAudioFrame)
 	atomic.AddInt64(&aim.framesSent, 1)
 	aim.recordFrameProcessed(frame.Length())
 	aim.updateLatency(processingTime)
+
+	// Record latency to granular metrics collector for histogram
+	if granularCollector := GetGranularMetricsCollector(); granularCollector != nil {
+		granularCollector.RecordInputLatency(processingTime)
+	}
+
 	return nil
 }
 
diff --git a/internal/audio/output_ipc_manager.go b/internal/audio/output_ipc_manager.go
index 2c64c91..1a75112 100644
--- a/internal/audio/output_ipc_manager.go
+++ b/internal/audio/output_ipc_manager.go
@@ -103,6 +103,11 @@ func (aom *AudioOutputIPCManager) WriteOpusFrame(frame *ZeroCopyAudioFrame) erro
 	aom.recordFrameProcessed(frame.Length())
 	aom.updateLatency(processingTime)
 
+	// Record latency to granular metrics collector for histogram
+	if granularCollector := GetGranularMetricsCollector(); granularCollector != nil {
+		granularCollector.RecordOutputLatency(processingTime)
+	}
+
 	return nil
 }
 
@@ -132,6 +137,11 @@ func (aom *AudioOutputIPCManager) WriteOpusFrameZeroCopy(frame *ZeroCopyAudioFra
 	aom.recordFrameProcessed(len(frameData))
 	aom.updateLatency(processingTime)
 
+	// Record latency to granular metrics collector for histogram
+	if granularCollector := GetGranularMetricsCollector(); granularCollector != nil {
+		granularCollector.RecordOutputLatency(processingTime)
+	}
+
 	return nil
 }
 
diff --git a/internal/audio/validation.go b/internal/audio/validation.go
index 388d59d..a84595d 100644
--- a/internal/audio/validation.go
+++ b/internal/audio/validation.go
@@ -1,5 +1,5 @@
-//go:build cgo
-// +build cgo
+//go:build cgo || arm
+// +build cgo arm
 
 package audio
 
diff --git a/ui/src/components/AudioMetricsDashboard.tsx b/ui/src/components/AudioMetricsDashboard.tsx
index c8123dc..538fdcd 100644
--- a/ui/src/components/AudioMetricsDashboard.tsx
+++ b/ui/src/components/AudioMetricsDashboard.tsx
@@ -478,7 +478,7 @@ export default function AudioMetricsDashboard() {
             <div className="mb-2 flex items-center gap-2">
               <MdMic className="h-4 w-4 text-green-600 dark:text-green-400" />
               <span className="font-medium text-slate-900 dark:text-slate-100">
-                Microphone Input Config
+                Audio Input Config
               </span>
             </div>
             <div className="space-y-2 text-sm">