diff --git a/Makefile b/Makefile
index bdec82e..a840ee5 100644
--- a/Makefile
+++ b/Makefile
@@ -27,7 +27,7 @@ $(TARGET): $(LIBS) au_channel.h adts.h aacplusenc.c
 	done
 	$(CC) $(CFLAGS) -o $(TARGET) aacplusenc.c $(LDFLAGS)
 
-.PHONY: clean
+.PHONY: clean test
 clean:
 	rm -f $(ofiles) $(TARGET) config.* test-*
 	for i in $(SUBDIRS) ; do \
@@ -39,5 +39,34 @@ install: all
 	cp aacplusenc $(INSTDIR)/bin
 	strip -s -R.comment $(INSTDIR)/bin/aacplusenc
 
+MONO:=pan=1:0.5:0.5:channels=1
+MPLAYER:=mplayer -msglevel all=0:statusline=5
+AO:=-ao pcm:fast:file
+
+test: all
+	$(MPLAYER) -af lavcresample=32000:$(MONO) $(AO)=test32m.wav test.wav
+	$(MPLAYER) -af lavcresample=44100:$(MONO) $(AO)=test44m.wav test.wav
+	$(MPLAYER) -af lavcresample=48000:$(MONO) $(AO)=test48m.wav test.wav
+
+	$(MPLAYER) -af lavcresample=32000 $(AO)=test32s.wav test.wav
+	$(MPLAYER) -af lavcresample=44100 $(AO)=test44s.wav test.wav
+	$(MPLAYER) -af lavcresample=48000 $(AO)=test48s.wav test.wav
+
+	./aacplusenc test32m.wav test32m.aac 18
+	./aacplusenc test44m.wav test44m.aac 40
+	./aacplusenc test48m.wav test48m.aac 40
+
+	./aacplusenc test32s.wav test32s.aac 18
+	./aacplusenc test44s.wav test44s.aac 48
+	./aacplusenc test48s.wav test48s.aac 48
+
+	$(MPLAYER) test32m.aac
+	$(MPLAYER) test44m.aac
+	$(MPLAYER) test48m.aac
+
+	$(MPLAYER) test32s.aac
+	$(MPLAYER) test44s.aac
+	$(MPLAYER) test48s.aac
+
 config.mak:
 	./configure