--- a/example/synthesizer/main.cc	Wed Aug 06 02:09:05 2014 +0900
+++ b/example/synthesizer/main.cc	Sun Aug 10 18:44:47 2014 +0900
@@ -29,10 +29,9 @@
 
 const char *usr_help_str = "Usage: ./synthesizer -wave \"sqr\" or \"tri\" [-freq freqency] [-vol volume]";
 
-static void
-run_start(TaskManager *manager)
+void
+audio_settings(AudioDataPtr au)
 {
-    AudioDataPtr au = (AudioDataPtr)manager->allocate(sizeof(AudioData));
     au->self = au;
 
     au->volume = volume;
@@ -46,6 +45,15 @@
     au->channels= 1; /* Mono */
     au->samples= 8192; /* Buffer size: 8K = 0.37 sec. */
     au->userdata= NULL;
+}
+
+
+static void
+run_start(TaskManager *manager)
+{
+    AudioDataPtr au = (AudioDataPtr)manager->allocate(sizeof(AudioData));
+
+    audio_settings(au);
 
     HTaskPtr osc = manager->create_task(OSC_TASK);
     osc->set_inData(0,au,sizeof(AudioDataPtr));

--- a/example/synthesizer/ppe/OSC.cc	Wed Aug 06 02:09:05 2014 +0900
+++ b/example/synthesizer/ppe/OSC.cc	Sun Aug 10 18:44:47 2014 +0900
@@ -13,15 +13,17 @@
 SDL_AudioSpec Desired;
 SDL_AudioSpec Obtained;
 
-double square(double t){
+double
+square(double t)
+{
     double decimal_part = t - abs(t);
     return decimal_part < 0.5 ? 1 : -1;
 }
 
-double tri(double t){
-
+double
+tri(double t)
+{
     double decimal_part = t - abs(t);
-
     if(abs(t) % 2 != 0){
         return decimal_part < 0.5 ? decimal_part : 1 - decimal_part;
     }else{
@@ -29,7 +31,9 @@
     }
 }
 
-double saw(double t){
+double
+saw(double t)
+{
     double decimal_part = t - abs(t);
     return decimal_part;
 }
@@ -60,7 +64,6 @@
         for (int i = 0; i < framesize ; i++, step++){
             frames[i] = saw(step * frequency / Obtained.freq) * volume ;
         }
-
     }
 }
 
@@ -78,7 +81,7 @@
 
     SDL_OpenAudio(&Desired, &Obtained);
     SDL_PauseAudio(0);
-    SDL_Delay(200);
+    SDL_Delay(1000);
     SDL_Quit();
 
     return 0;