Index: apps/playback.c
===================================================================
--- apps/playback.c	(revision 14090)
+++ apps/playback.c	(working copy)
@@ -914,10 +914,11 @@
     } while (my_codec == current_codec);
 
     /* Wait for other codec to unlock */
-    /* FIXME: We need some sort of timed boost cancellation here or the CPU
-       doesn't unboost during playback when the voice codec goes back to
-       waiting - recall that mutex_lock calls block_thread which is an
-       indefinite wait that doesn't cancel the thread's CPU boost */
+    /* We need to sleep here to ensure the CPU can unboost during playback 
+       when the voice codec goes back to waiting - recall that mutex_lock 
+       calls block_thread which is an indefinite wait that doesn't cancel 
+       the thread's CPU boost */
+    sleep(1);
     mutex_lock(&mutex_codecthread);
 
     /* Take control */