diff --git a/encoder/static.php b/encoder/static.php
index 107d9ca..38932a9 100755
--- a/encoder/static.php
+++ b/encoder/static.php
@@ -388,8 +388,8 @@ function update_service($which_service)
                         . " -video_size " . $data['hdmi']['resolution']
                         . " -framerate " . $data['hdmi']['framerate']
                         . " -i /dev/video0"
-                        . " -f alsa -thread_queue_size 2048 -i " . $data['hdmi']['audio_source']
-                        . " -c:v h264_qsv -profile:v high -level:v 4.2 -async_depth 4 -b:v 6M -maxrate 6M -bufsize 12M "
+                        . " -f alsa -thread_queue_size 128 -i " . $data['hdmi']['audio_source']
+                        . " -c:v h264_qsv -profile:v high -level:v 4.2 -async_depth 4 -b:v 6M -maxrate 6M -bufsize 6M "
                         . " -c:a aac -b:a 265k  -ar 48000 -async 1 -muxrate 0 -pat_period 0.1  -pkt_size 1316 ";
                     if ($hdmi_delay_video != "")
                         $input .= ' -vf "vpp_qsv=format=nv12,scale_qsv=' . $common_backend_resolution . ',' . setptsFromMs($hdmi_delay_video) . '"';