diff --git a/nanonote-files/script-files/root/.mplayer/config b/nanonote-files/script-files/root/.mplayer/config
index 8d6b965..b10c766 100644
--- a/nanonote-files/script-files/root/.mplayer/config
+++ b/nanonote-files/script-files/root/.mplayer/config
@@ -8,4 +8,7 @@ fs=1
 ac=tremor
 # disabling console output reduces CPU load by 10% (floating point math used?)
 # not visible for videos anyways.  Can still use -noquiet on audio files.
-quiet=1
\ No newline at end of file
+quiet=1
+# playing back 48kHz sample rate audio needs downsampling on the nanonote
+# this option makes mplayer use a low-quality but faster sample-rate filter:
+af-adv=force=2
\ No newline at end of file