User manual

46
Type ‘a’ messages for Audio commands (applies to audio channel
1 and audio channel 2)
Function
R/W
Block
Command
Data
Type
Audio
Encoder
Options
9,10,11 &12
are only
supported in
Software
V3.3 +
r/w
a
enc
1 byte
0 = Off
1 = 32kHz,12cbit,S
2 = 32kHz,12cbit,M
3 = 32kHz,8cbit,S
4 = 32kHz,8cbit,M
5 = 16kHz,8cbit,S
6 = 16kHz,8cbit,M
7 = 8kHz,8cbit,S
8 = 8kHz,8cbit,M
9 = 32kHz MPEG
L1 stereo
10 = 32kHz MPEG
L1 mono
11 = 48kHz MPEG
L1 stereo
12 = 48kHz MPEG
L1 mono
int
Audio Input
Level
r/w
a
lev
1byte
0 = 0dB (line level)
1= 12dB (mic level)
2 = 24dB(mic level)
3 = 36dB(mic level)
4 = 48dB(mic level)
and 4 also enables
ALC
int
MPEG
Layer 1
Audio
S/W V.3.3+
r/w
a
mpr
1byte
2 = 64kbit
3 = 96kbit
4 = 128kbit
5 = 160kbit
6 = 192kbit
7 = 224kbit
8 = 256kbit
9 = 288kbit
10 = 320kbit
11 = 352kbit
12 = 384kbit
13 = 416kbit
14 = 448kbit
int
Audio PID 1
r/w
a
Pd1
0 = default
Other = value
int
Audio PID 2
r/w
a
Pd2
0 = default
Other = value
int
Audio DID
SDI Data
Identifier
r/w
a
did
DID value
int
Audio 2
enable
r/w
a
en2
0 = disabled
1 = enabled
int
Audio
Source
r/w
a
src
0 = analogue
1 = aes/ebu digital
2 = embedded
int
MPEG Audio
Offset
r/w
a
pts
PTS offset for
MPEG Audio
int