--- mypulse.c	2009-12-21 19:34:22.564248142 +0100
+++ ao_pulse.c	2009-12-21 19:54:07.409247246 +0100
@@ -39,6 +39,9 @@
     "server",
     "sink"
 };
+/* This is the smallest audio sound we are expected to play immediately
+without buffering. */
+#define PA_MIN_AUDIO_LENTH 100
 
 static ao_info ao_pulse_info = {
     AO_TYPE_LIVE,
@@ -140,7 +143,12 @@
     const char *fn = NULL;
     ao_pulse_internal *internal;
     struct pa_sample_spec ss;
-
+    pa_buffer_attr buffAttr;
+    buffAttr.maxlength = (uint32_t)-1;
+    buffAttr.tlength = PA_MIN_AUDIO_LENTH;
+    buffAttr.prebuf = (uint32_t)-1;
+    buffAttr.minreq = (uint32_t)-1;
+    buffAttr.fragsize = (uint32_t)-1;
     assert(device && device->internal && format);
 
     internal = (ao_pulse_internal *) device->internal;
@@ -166,7 +174,7 @@
         snprintf(t2, sizeof(t2), "libao[%s] playback stream", fn);
     }
     
-    if (!(internal->simple = pa_simple_new(internal->server, fn ? t : "libao", PA_STREAM_PLAYBACK, internal->sink, fn ? t2 : "libao playback stream", &ss, NULL, NULL, NULL)))
+    if (!(internal->simple = pa_simple_new(internal->server, fn ? t : "libao", PA_STREAM_PLAYBACK, internal->sink, fn ? t2 : "libao playback stream", &ss, NULL, &buffAttr, NULL)))
         return 0;
 
     device->driver_byte_format = AO_FMT_NATIVE;