User Manual

VIVOTEK
228 - User's Manual
© 2019 VIVOTEK INC. All Right Reserved
99
NAME VALUE SECURITY
(get/set)
DESCRIPTION
volume_external 0~100 4/4 Volume when take external
microphone as input source.
0: Minimum
100: Maximum
* Only available when the channel
supports external microphone (The
related bit of
"capability_audio_extmic" is equal to
1).
mute 0, 1 1/4 0: Mute off
1: Mute on
gain
<Not recommended
to use this>
0~100 4/4 Gain of input.
(audioin_c<0~(n-1)>_source = linein)
* Reserved for compatibility, and
suggest don't use this since the
version number (httpversion) is equal
or greater than 0301a.
* We replace "gain" with
"volume_internal" and
"volume_external". More details,
please refer the parameter
description of "volume_internal" and
"volume_external".
boostmic
<Not recommended
to use this>
0~100 4/4 Enable microphone boost.
Gain of input.
(audioin_c<0~(n-1)>_source = micin)
* Reserved for compatibility, and
suggest don't use this since the
version number (httpversion) is equal
or greater than 0301a.
* We replace "boostmic" with
"volume_internal" and
"volume_external". More details,
please refer the parameter