diff --git a/src/devices/sound/ad1848.cpp b/src/devices/sound/ad1848.cpp
index 66e6e958acb..27c4d87ce70 100644
--- a/src/devices/sound/ad1848.cpp
+++ b/src/devices/sound/ad1848.cpp
@@ -11,7 +11,7 @@
 #include "speaker.h"
 
 
-DEFINE_DEVICE_TYPE(AD1848, ad1848_device, "ad1848", "Analog Device AD1848")
+DEFINE_DEVICE_TYPE(AD1848, ad1848_device, "ad1848", "AD1848 16-bit SoundPort Stereo Codec")
 
 ad1848_device::ad1848_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
 	device_t(mconfig, AD1848, tag, owner, clock),
diff --git a/src/devices/sound/cem3394.cpp b/src/devices/sound/cem3394.cpp
index 08734c31023..22894cfcbfd 100644
--- a/src/devices/sound/cem3394.cpp
+++ b/src/devices/sound/cem3394.cpp
@@ -2,7 +2,7 @@
 // copyright-holders:Aaron Giles
 /***************************************************************************
 
-    CEM3394 sound driver.
+    Curtis Electromusic Specialties CEM3394 µP-Controllable Synthesizer Voice
 
     This driver handles CEM-3394 analog synth chip. Very crudely.
 
@@ -105,7 +105,7 @@
 
 
 // device type definition
-DEFINE_DEVICE_TYPE(CEM3394, cem3394_device, "cem3394", "CEM3394")
+DEFINE_DEVICE_TYPE(CEM3394, cem3394_device, "cem3394", "CEM3394 Synthesizer Voice")
 
 //**************************************************************************
 //  LIVE DEVICE