diff --git a/src/Common/MediaSink.cpp b/src/Common/MediaSink.cpp
index 1f8050ab..06d577d3 100644
--- a/src/Common/MediaSink.cpp
+++ b/src/Common/MediaSink.cpp
@@ -223,7 +223,7 @@ static uint8_t s_mute_adts[] = {0xff, 0xf1, 0x6c, 0x40, 0x2d, 0x3f, 0xfc, 0x00,
 
 #define MUTE_ADTS_DATA s_mute_adts
 #define MUTE_ADTS_DATA_LEN sizeof(s_mute_adts)
-#define MUTE_ADTS_DATA_MS 130
+#define MUTE_ADTS_DATA_MS 128
 
 bool MuteAudioMaker::inputFrame(const Frame::Ptr &frame) {
     if (frame->getTrackType() == TrackVideo) {
diff --git a/src/Common/MediaSink.h b/src/Common/MediaSink.h
index 449f666e..0e41821b 100644
--- a/src/Common/MediaSink.h
+++ b/src/Common/MediaSink.h
@@ -61,7 +61,7 @@ public:
     bool inputFrame(const Frame::Ptr &frame) override;
 
 private:
-    uint32_t _audio_idx = 0;
+    uint64_t _audio_idx = 0;
 };
 
 /**