diff --git a/daemon/scripts/sink_record.sh b/daemon/scripts/sink_record.sh
index 3dac983..c728ca2 100755
--- a/daemon/scripts/sink_record.sh
+++ b/daemon/scripts/sink_record.sh
@@ -1 +1 @@
-arecord -D hw:1,0 -f cd -d 30 -r 44100 -t wav sink.wav
+arecord -D plughw:RAVENNA -c 2 -f cd -d 30 -r 44100 -t wav sink.wav
diff --git a/daemon/scripts/source_play.sh b/daemon/scripts/source_play.sh
index 1f72b05..c119fc0 100755
--- a/daemon/scripts/source_play.sh
+++ b/daemon/scripts/source_play.sh
@@ -1 +1 @@
-speaker-test -D hw:1,0  -r 44100 -c 2 -t sine
+speaker-test -D plughw:RAVENNA -r 44100 -c 2 -t sine
diff --git a/run_demo.sh b/run_demo.sh
index 71ef30c..aca11e9 100755
--- a/run_demo.sh
+++ b/run_demo.sh
@@ -76,12 +76,12 @@ sleep 30
 
 #starting recording on sink
 echo "Starting to record 60 secs from sink ..."
-arecord -D hw:1,0 -f cd -d 60 -r 44100 -c 2 -t wav /tmp/sink_test.wav > /dev/null 2>&1 &
+arecord -D plughw:RAVENNA -f cd -d 60 -r 44100 -c 2 -t wav /tmp/sink_test.wav > /dev/null 2>&1 &
 sleep 10
 
 #starting playback on source
 echo "Starting to playback test on source ..."
-speaker-test -D hw:1,0 -r 44100 -c 2 -t sine > /dev/null 2>&1 &
+speaker-test -D plughw:RAVENNA -r 44100 -c 2 -t sine > /dev/null 2>&1 &
 
 while killall -0 arecord 2>/dev/null ; do
   sleep 1