The settings panel of the Microphone system object is shown in the figure.

The table describes the settings parameters of the Microphone system object.

Parameter

Method for setting the parameter value

Parameter description

Representation

Default value

Value range

1

Identification number*

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 the distributed architecture

2

Name*

Enter the value in the field

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

Latin, Cyrillic characters, and service characters

Microphone

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

Number of charactersfrom 1 to 60

3

Disable

Set the checkbox

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

Boolean type

Clear

Setthe Microphone object is disabled and isn't used

Clearthe Microphone object is enabled and is used

4

Audio card

Select the value from the list

Sets the Audio card parent object for the given Microphone object


Name 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

Channel

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 chanel

0

Depends on the type of audio signal digitization card.

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

0Left channel

1Right channel


6

Line

Select the value from the list

Sets the source of audio signal

Type of the audio signal source 

Microphone

Microphone—audio signal comes from the microphone

Phone—audio signal comes from the phone line

7

Gain

Set the slider in the required position

Sets the audio signal power gain

Sound power in decibels (dB)

24

From 0 to 45

8

Volume level

Automatically

Displays the power volume of the incoming audio signal


Sound power in decibels (dB)

NA

From 0 to 45

The Driver parameters table
9ParameterAutomatically

Displays the available parameters of the IP device driver

NANADepends on the connected IP device
10ValueSelect the value from the list

Sets the values of the IP device parameters

NANADepends on the connected IP device and parameter
Out of the group
11Audio delayEnter the value in the field using the up and down buttons

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.

Note. This parameter is used if the video image comes delayed or advanced and the sound is ahead or falls behind it

Integer numbers0-1000010000

The AGC group

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

12

Enable

Set the checkbox

Enables the automatic adjustment of audio signal gain

Boolean type

Clear

Set—automatic adjustment of audio signal gain is enabled

Clear—automatic adjustment of audio signal gain is disabled

13

Dynamic range

Set the slider in the required position

Sets the level of audio signal power after the automatic adjustment

Sound power in decibels (dB)

0

From 0 to 45

14

Time constant

Set the slider in the required position

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

Time in seconds (s)

3

From 0.1 to 6

The Audio trigger group

15

Audio trigger level

Set the slider in the required position

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

Sound power in standard units

-45

-45—audio trigger is off

From -44 to 0—audio trigger is on


16

Audio trigger delay

Set the slider in the required 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

The Multicast group
17IPEnter the value in the fieldSets the IP address from which the client receives the audio data from the ONVIF server in the Multicast modeIP address224.0.0.10224.0.0.0—239.255.255.255
18PortEnter the value in the fieldSets the port for transmitting the audio data in the Multicast modeSequence of numbersDepends on the number of cameras and streams in the system

Any valid unused port numbers.

The number of ports is determined by the system administrator

*Name of the element isn't displayed in the settings panel of the given object.