The settings panel of the Microphone object

1

The Identification number*
field

Automatically

Displays the identification number of the Microphone system object 

Sequence of numbers

NA

From 1 to 32767.

Depends on the number of the Microphone objects in the video surveillance system with distributed architecture

2

The Name*
field

Enter the value in the field

Sets the name of the Microphone object in the video surveillance system with distributed architecture

Latin alphabet, Cyrillic, digits and service characters

Microphone

A line containing a sequence of any characters (letters, digits, service characters except > and < characters), case-insensitive.

Number of characters—from 1 to 60

3

The Disable
checkbox

Set the checkbox

Disables the Microphone object in the video surveillance system with distributed architecture

Boolean type

Clear

Set—the Microphone object is disabled and isn't used

Clear—the Microphone object is enabled and is used

4

The Audio card
drop-down list

Select the value from the list

Sets the Audio card parent object for the given Microphone object

Names of the Audio card objects registered in the system

Name of the Audio card parent object

Depends on the number of the Audio card objects in the system

The General group

5

The Channel
drop-down list

Select the value from the list

Sets the number of the audio signal input channel according to the number of the RCA-F connector to which the microphone is connected

Right, left channel

0

Depends on the type of audio signal digitization card.

For AxxonSoft ADC audio signal digitization cards and audio cards such as SoundBlaster:

0—Left channel;

1—Right channel

6

The Line
drop-down list

Select the value from the list

Sets the source of audio signal

Types of the audio signal source 

Microphone

Microphone—audio signal comes from the microphone

Phone—audio signal comes from the phone line

7

The Gain
slider

Set the slider in the position

Sets the audio signal power gain

Sound power in decibels (dB)

24

From 0 to 45

8

The Volume level
indicator

Automatically

Displays the power volume of the incoming audio signal

Sound power in decibels (dB)

NA

From 0 to 45

Displays the available parameters of the IP device driver

Sets the values of the IP device parameters

Sets the delay in milliseconds between the receiving of an audio signal from the audio input device and its output to the speaker or its recording to the archive synchronously with the video signal. This parameter is used if the video image comes delayed or advanced and the sound is ahead or falls behind it

The AGC group

(set using the Olkha sound cards: Olkha-9P, Olkha-10LP, Olkha-12U, Olkha-14)

12

The Enable
checkbox

Set the checkbox

Enables the automatic adjustment of the audio signal gain

Boolean type

Clear

Set—automatic adjustment of the audio signal gain is enabled

Clear—automatic adjustment of the audio signal gain is disabled

13

The Dynamic range
slider

Set the slider in the position

Sets the level of audio signal power after the automatic adjustment

Sound power in decibels (dB)

0

From 0 to 45

14

The Time constant
slider

Set the slider in the position

Sets the time period during which the audio signal is brought to the set power level during automatic adjustment

Time in seconds (s)

3

From 0.1 to 6

The Audio trigger group

15

The Audio trigger level
slider

Set the slider in the position

Sets the level of the sound power above which the recording of the audio signal starts automatically (registration of the alarm event)

Sound power in relative units

-45

-45—audio trigger is disabled

From -44 to 0—audio trigger is enabled

16

The Audio trigger delay
slider

Set the slider in the position

Sets the time period during which the audio signal is post-recorded after the end of the alarm event

Time in seconds (s)

3

From 1 to 16

Any valid unused port numbers.

The number of ports is determined by the system administrator