diff --git a/compressed.mp4 b/compressed.mp4
index e69de29..dc158a7 100644
Binary files a/compressed.mp4 and b/compressed.mp4 differ
diff --git a/convert.go b/convert.go
index 3839706..5fcfe8a 100644
--- a/convert.go
+++ b/convert.go
@@ -61,9 +61,10 @@ func compressRAMHandler(w http.ResponseWriter, r *http.Request) {
 		"-y",
 		"-i", tmpFilePath,
 		"-c:v", "libx264",
-		"-preset", "veryfast",
-		"-crf", "26",
-		"-threads", "4",
+		"-preset", "ultrafast",
+		"-crf", "29",
+		"-tune", "zerolatency",
+		"-threads", "5",
 		"-movflags", "frag_keyframe+empty_moov",
 		"-f", "mp4",
 		"pipe:1",
diff --git a/go_build_convert b/go_build_convert
index 6264bf0..ddf1970 100755
Binary files a/go_build_convert and b/go_build_convert differ