Added link to docs

diff --git a/c/ghetto-sound-system/beatdetect.c b/c/ghetto-sound-system/beatdetect.c
index b520ae881b9b5055c4df5f95073263d5b36d57d5..d382215cf71dfb5ba8a60ccacc65f813d41a258e 100644 (file)
--- a/c/ghetto-sound-system/beatdetect.c
+++ b/c/ghetto-sound-system/beatdetect.c
@@ -1,4 +1,6 @@
 //CFLAGS=-lasound make beatdetect; echo -----; ./beatdetect hw:default
+//http://www.equalarea.com/paul/alsa-audio.html
+
        #include <stdio.h>
        #include <stdlib.h>
        #include <alsa/asoundlib.h>