diff -urN wine-2.0-orig/dlls/winealsa.drv/mmdevdrv.c wine-2.0/dlls/winealsa.drv/mmdevdrv.c
--- wine-2.0-orig/dlls/winealsa.drv/mmdevdrv.c	2017-01-25 05:17:22 +0900
+++ wine-2.0/dlls/winealsa.drv/mmdevdrv.c	2017-01-26 16:11:32 +0900
@@ -53,9 +53,9 @@
 
 #define NULL_PTR_ERR MAKE_HRESULT(SEVERITY_ERROR, FACILITY_WIN32, RPC_X_NULL_REF_POINTER)
 
-static const REFERENCE_TIME DefaultPeriod = 100000;
-static const REFERENCE_TIME MinimumPeriod = 50000;
-#define                     EXTRA_SAFE_RT   40000
+static const REFERENCE_TIME DefaultPeriod = 33000;
+static const REFERENCE_TIME MinimumPeriod = 20000;
+#define                     EXTRA_SAFE_RT   4000
 
 struct ACImpl;
 typedef struct ACImpl ACImpl;