
Ref: QX1.DOC
Rev: 1.00
QX-1 Data Sheet -- Preliminary
QSound Labs, Inc.
Date: 09/23/99
Page 7 of 10
QX-1
QXpander Processor with Volume and Tone control
Device Specifications - Preliminary Information
Control Data Format
(1)
INPUT DATA
(MSB)
Input order
D01
D11
D21
Vol/Treble share
amp gain SW
0:20dB
1:18dB
2:16dB
3:14dB
D31
D41
D51
D61
D71
D81
D91
D101
D111
MUTE
ON/OFF
0:OFF
1:ON
(INPUT
ALL OFF)
D121
CHIP/SLOT
SELECT
0:select
1:no select
2:no select
3:no select
D131
Slot1
0
Bypass/
QXpander
SW
INPUT
0:IN A
1:IN B
2:IN C
3:IN D
D2~D6: (a) Master volume condition
D02
D12
D22
D32
D42
D52
D62
D72
D82
D92
D102
D112
D122
D132
Slot2
1
1
1
0
Mode select
0:stereo
1:mono 1 only
2:mono 2 only
3:mono 1+2
Bass(boost)
0: 0dB, 1: 3 dB,
2: 6dB, 3: 9dB,
4:12dB, 5:15dB,
6:18dB, 7:21dB
Treble(boost)
0:0dB, 1:3dB
2:6dB, 3:9dB
IN E
ON/OFF
0:OFF
1:ON
CHIP/SLOT
SELECT
0:no select
1:no select
2:no select
3: select
(a)
Master volume
ATT
-0.0dB
-2.0dB
-4.0dB
-6.0dB
-8.0dB
-10.0dB
-12.0dB
-14.0dB
-16.0dB
-18.0dB
-20.0dB
-22.0dB
-24.0dB
-26.0dB
-28.0dB
-30.0dB
-32.0dB
-34.0dB
-36.0dB
-40.0dB
-44.0dB
-48.0dB
-52.0dB
-56.0dB
-60.0dB
-64.0dB
-68.0dB
-72.0dB
-76.0dB
-80.0dB
-84.0dB
-
∞
D61
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
D71
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D81
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D91
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D101
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Input select
Input select
IN A
IN B
IN C
IN D
IN A to D all off
D41
0
1
0
1
X
A:0
B:1
C:0
D:1
D51
0
0
1
1
X
0
0
1
1
D111
D112
IN E off
0
0
1
1
*1
IN A-D select
IN E on
0
1
*2
*1) The IN E input impedance is about 5k
*2) IN E can be controlled independently. It can be used as Rec output
(c) Mode control
Mode
stereo
mono1 only
mono2 only
mono1+2
(d) Treble control
Treble
0dB
3dB
6dB
9dB
D42
0
1
0
1
D52
0
0
1
1
D92
0
1
0
1
D102
0
0
1
1
(e) Bass control
Bass
0dB
3dB
6dB
9dB
12dB
15dB
18dB
21dB
(f) Chip/Slot control
Chip/Slot
select (slot1)
no select
no select
select (slot2)
D62
0
1
0
1
0
1
0
1
D72
0
0
1
1
0
0
1
1
D82
0
0
0
0
1
1
1
1
D12X
0
1
0
1
D13X
0
0
1
1
(g) Treble amp gain SW
Gain SW
20dB
18dB
16dB
14dB
(h) Bypass/QXpander SW
Bypass/QXpander SW
Bypass
QXpander
D21
0
1
0
1
D31
0
0
1
1
D11
0
1