Page History

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 characters—from 1 to 60

3

Disable

Set the checkbox

Disables the Microphone object in the video surveillance system with the 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

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:

0—Left channel

1—Right 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

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.

Note. 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

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

Any valid unused port numbers.

The number of ports is determined by the system administrator