Vivotek IZ7151 - Manual (Page 88)

VIVOTEK
88 - User's Manual
1 => Enable
gain 0~31 4/4 Gain of input
31 => +12 dB
30 => +10.5 dB
29 => +9 dB
28 => +7.5 dB
27 => +6 dB
26 => +4.5 dB
25 => +3 dB
24 => +1.5 dB
23 => 0 dB
22 => -1.5 dB
21 => -3 dB
20 => -4.5 dB
19 => -6 dB
18 => -7.5 dB
17 => -9 dB
16 => -10.5 dB
15 => -12 dB
14 => -13.5 dB
13 => -15 dB
12 => -16.5 dB
11 => -18 dB
10 => -19.5 dB
9 => -21 dB
8 => -22.5 dB
7 => -24 dB
6 => -25.5 dB
5 => -27 dB
4 => -28.5 dB
3 => -30 dB
2 => -31.5 dB
1 => >-33 dB
0 => -34.5 dB
boostmic 0, 1 4/4 Enable microphone boost.
0 => 0db
1 => 20db
s<0~(m-1)>_codectype aac4, gamr 4/4 Set audio codec type for input.
s<0~(m-1)>_aac4_bitrate 16000,
32000,
4/4 Set AAC4 bitrate in bps.