YMF724F
(1) Volume for MIDI
MIDI Vol. (26h)
0
1
2
3
4
5
6
7
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
-52dB
0029h
-42dB
0082h
-36dB
0103h
-32dB
019Bh
-30dB
0206h
-28dB
028Ch
-26dB
0335h
mute
0000h
-42dB
0082h
-32dB
019Bh
-26dB
0335h
-22dB
0515h
-20dB
0666h
-18dB
080Eh
-16dB
0A24h
mute
mute
0000h
-32dB
019Bh
-22dB
0515h
-16dB
0A24h
-12dB
1013h
-10dB
143Dh
-8dB
mute
0000h
-30dB
0206h
-20dB
0666h
-14dB
0CC5h
-10dB
143Dh
-8dB
mute
0000h
-28dB
028Ch
-18dB
080Eh
-12dB
1013h
-8dB
mute
0000h
-26dB
0335h
-16dB
0A24h
-10dB
143Dh
-6dB
0
1
2
3
4
5
6
7
0000h
-36dB
0103h
-26dB
0335h
-20dB
0666h
-16dB
0A24h
-14dB
0CC5h
-12dB
1013h
-10dB
143Dh
197Ah
-6dB
2013h
-4dB
197Ah
-6dB
2013h
-4dB
2861h
-2dB
197Ah
-6dB
2013h
-4dB
2861h
-2dB
32D6h
0dB
2013h
2861h
32D6h
3FFFh
The default is Master = 4, MIDI = 4 (-12dB).
(2) Volume for Voice
Voice Vol. (04h)
0
1
2
3
4
5
6
7
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
mute
0000h
-56dB
0019h
-46dB
0052h
-40dB
00A3h
-36dB
0103h
-34dB
0146h
-32dB
019Bh
-30dB
0206h
mute
0000h
-46dB
0052h
-36dB
0103h
-30dB
0206h
-26dB
0335h
-24dB
0409h
-22dB
0515h
-20dB
0666h
mute
mute
mute
0000h
-34dB
0146h
-24dB
0409h
-18dB
080Eh
-14dB
0CC5h
-12dB
1013h
-10dB
143Dh
-8dB
mute
0000h
-32dB
019Bh
-22dB
0515h
-16dB
0A24h
-12dB
1013h
-10dB
143Dh
-8dB
mute
0000h
-30dB
0206h
-20dB
0666Eh
-14dB
0CC5h
-10dB
143Dh
-8dB
0
1
2
3
4
5
6
7
0000h
-40dB
00A3h
-30dB
0206h
-24dB
0409h
-20dB
0666h
-18dB
080Eh
-16dB
0A24h
-14dB
0CC5h
0000h
-36dB
0103h
-26dB
0335h
-20dB
0666h
-16dB
0A24h
-14dB
0CC5h
-12dB
1013h
-10dB
143Dh
197Ah
-6dB
197Ah
-6dB
2013h
-4dB
187Ah
2013h
2861h
The default is Master = 4, Voice = 4 (-16dB).
®
(2) SB Mixer
AC’97
The volume of CD, Line and MIC are applied to this case. AC’97 volume are not updated automatically
when these values are changed. Thus, the SB Mixer values need to be written to the AC’97 register with
the software.
January 14, 1999
-34-
YAMAHA [ YAMAHA CORPORATION ]
