diff --git a/media/libaudioprocessing/AudioMixerBase.cpp b/media/libaudioprocessing/AudioMixerBase.cpp
index 427bd55..3d11d92 100644
--- a/media/libaudioprocessing/AudioMixerBase.cpp
+++ b/media/libaudioprocessing/AudioMixerBase.cpp
@@ -471,9 +471,9 @@
                         &track->mVolume[param - VOLUME0],
                         &track->mPrevVolume[param - VOLUME0],
                         &track->mVolumeInc[param - VOLUME0])) {
-                    ALOGV("setParameter(%s, VOLUME%d: %04x)",
-                            target == VOLUME ? "VOLUME" : "RAMP_VOLUME", param - VOLUME0,
-                                    track->volume[param - VOLUME0]);
+                    ALOGV("setParameter(%s, VOLUME%d: %f)",
+                          target == VOLUME ? "VOLUME" : "RAMP_VOLUME", param - VOLUME0,
+                          track->mVolume[param - VOLUME0]);
                     invalidate();
                 }
             } else {
@@ -648,7 +648,7 @@
 
         if (t->volumeInc[0]|t->volumeInc[1]) {
             volumeRamp = true;
-        } else if (!t->doesResample() && t->volumeRL == 0) {
+        } else if (!t->doesResample() && t->isVolumeMuted()) {
             n |= NEEDS_MUTE;
         }
         t->needs = n;
@@ -748,7 +748,7 @@
 
         for (const int name : mEnabled) {
             const std::shared_ptr<TrackBase> &t = mTracks[name];
-            if (!t->doesResample() && t->volumeRL == 0) {
+            if (!t->doesResample() && t->isVolumeMuted()) {
                 t->needs |= NEEDS_MUTE;
                 t->hook = &TrackBase::track__nop;
             } else {
diff --git a/media/libaudioprocessing/include/media/AudioMixerBase.h b/media/libaudioprocessing/include/media/AudioMixerBase.h
index 4bd85d8..b44ff20 100644
--- a/media/libaudioprocessing/include/media/AudioMixerBase.h
+++ b/media/libaudioprocessing/include/media/AudioMixerBase.h
@@ -299,6 +299,16 @@
 
         uint32_t       mInputFrameSize; // The track input frame size, used for tee buffer
 
+        // consider volume muted only if all channel volume (floating point) is 0.f
+        inline bool isVolumeMuted() const {
+            for (const auto volume : mVolume) {
+                if (volume != 0) {
+                    return false;
+                }
+            }
+            return true;
+        }
+
       protected:
 
         // hooks