resend_time default value 600.

doc/lua_api.md

@@ -1101,7 +1101,7 @@ Table used to specify how a sound is played:
 
     -- Available since feature `sound_params_start_time`.
 
-    resend_time = 0.0,
+    resend_time = 600.0,
     -- Approximate playback duration (from `start_time` to end) in seconds.
     -- This is needed to re-send sounds to new players in hearing distance.
     -- Unused for looped sounds.

src/sound.h

@@ -73,7 +73,7 @@ struct SoundSpec
 	float start_time = 0.0f;
 	// keep time defines a time windows, where sound cannot be removed
 	// and can be resend, takes no effect for looped sounds
-	float resend_time = 0.0f;
+	float resend_time = 600.0f;
 	bool loop = false;
 	// If true, a local fallback (ie. from the user's sound pack) is used if the
 	// sound-group does not exist.