diff --git a/configs/voctocore-cam1.ini b/configs/voctocore-cam1.ini
index fc05bd4ae342242509d639e29bb20dc81fa05abb..469432c4db9e1959c6cb22d18a9f74b999ed16f5 100644
--- a/configs/voctocore-cam1.ini
+++ b/configs/voctocore-cam1.ini
@@ -1,13 +1,16 @@
 [mix]
 videocaps=video/x-raw,format=I420,width=1920,height=1080,framerate=30/1,pixel-aspect-ratio=1/1,interlace-mode=progressive
 audiocaps=audio/x-raw,format=S16LE,channels=2,layout=interleaved,rate=48000
+preview=true
 
 sources=cam1,slides,usbaudio
 livesources=slides
 
 [programoutput]
 enabled = true
+source = premix
 videosink = kmssink
+audiosink = alsasink device="hw:CARD=U192k,DEV=0"
 
 
 [source.usbaudio]
diff --git a/configs/voctocore-cam2.ini b/configs/voctocore-cam2.ini
index c332c4e1448e3de4a5e5c85a64260d1477aabb9e..3f1dd1a4abe33defc4bc3c623df0ae631a33097f 100644
--- a/configs/voctocore-cam2.ini
+++ b/configs/voctocore-cam2.ini
@@ -1,13 +1,16 @@
 [mix]
 videocaps=video/x-raw,format=I420,width=1920,height=1080,framerate=30/1,pixel-aspect-ratio=1/1,interlace-mode=progressive
 audiocaps=audio/x-raw,format=S16LE,channels=2,layout=interleaved,rate=48000
+preview=true
 
 sources=cam1,cam2,slides,usbaudio
 livesources=slides
 
 [programoutput]
 enabled = true
+source = premix
 videosink = kmssink
+audiosink = alsasink device="hw:CARD=U192k,DEV=0"
 
 [source.usbaudio]
 kind = alsa