diff --git a/src/emu/sound/qsound.c b/src/emu/sound/qsound.c
index 3733aa23ab2..2a2e8fb9c0b 100644
--- a/src/emu/sound/qsound.c
+++ b/src/emu/sound/qsound.c
@@ -13,7 +13,7 @@
   never have been finished.
   
   TODO:
-  - hook up the DSP
+  - hook up the DSP!
   - is master volume really linear?
   - understand higher bits of reg 0
   - understand reg 9
@@ -111,7 +111,7 @@ void qsound_device::device_start()
 	m_sample_rom = (INT8*)*region();
 	m_sample_rom_length = region()->bytes();
 
-	m_stream = stream_alloc(0, 2, clock() / 166); // /166 clock divider
+	m_stream = stream_alloc(0, 2, clock() / 166); // /166 clock divider?
 
 	// create pan table
 	for (int i = 0; i < 33; i++)
diff --git a/src/emu/sound/qsound.h b/src/emu/sound/qsound.h
index 469f5d9039c..2eeba24222e 100644
--- a/src/emu/sound/qsound.h
+++ b/src/emu/sound/qsound.h
@@ -11,7 +11,7 @@
 
 #include "cpu/dsp16/dsp16.h"
 
-#define QSOUND_CLOCK 4000000    /* default 4MHz clock */
+#define QSOUND_CLOCK 4000000    /* default 4MHz clock (60MHz/15?) */
 
 
 //**************************************************************************