CM6502B Datasheet, PDF (21/40 Pages) C-Media Electronics – USB Audio Sound Chip

CM6502 / CM6502B
USB Audio Sound Chip
7.1.2 4 preset EQ mode
As mentioned above, EQ engine already provides 4 preset EQ modes for different user scenarios/applications.
End users could use the hardware switch on the product (determined by 2 EQ configuration input pins) to
dynamically change to different EQ modes. The following shows the frequency response of each mode.
Mode
GPIO8
GPIO7
Color
Default
0
0
----------------
Gaming
0
1
----------------
Communication
1
0
----------------
Movie
1
1
----------------
Audio Precision
04/20/11 15:35:35
+1
-0
-1
-2
-3
d
B
-4
r
-5
A
-6
-7
-8
-9
-10
20
Gaming
Default
Communication
Movie
50
100
200
500
1k
2k
5k
Hz
Sweep Trace Color
Line Style Thick Data
Axis Comment
1
1
Red
Solid
2
Anlr.Ampl Left 00
2
1
Magenta Solid
2
Anlr.Ampl Left 11
3
1
Cyan
Solid
2
Anlr.Ampl Left 10
4
1
Blue
Solid
2
Anlr.Ampl Left
DA-EQ-SPDIF_In_DA_Out.at27
10k 20k
www.cmedia.com.tw
Copyright © C-Media Electronics Inc.
Rev. 1.02 ︱ Page 21