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The settings panel of the Microphone object is shown in figure.
Table describes the settings parameters of the Microphone object.
№ | Parameter | Method for setting the parameter value | Parameter description | Symbol used | Default value | Value range |
1 | Identification number | Automatically | Displays the identification number of the Microphone object in the system. | Sequence of numbers | - | Depends on the number of Microphone objects in the system |
2 | Name | Entering the value in the field | Set the name of the Microphone object in the system | Latin, Cyrillic letters and service characters | Microphone | A line containing a sequence of any symbols (letters, digits, service characters apart from > and < symbols), not case-sensitive. Number of symbols – from 1 to 60. |
3 | Disable | Is set by a check box | Defines the condition of the Microphone object (enabled or disabled) in the system. | Boolean type | No | Yes – the Microphone is disabled and is not in use. No – the Microphone is enabled and is in use. |
4 | Audio card | Select from the list | Defines the parent Audio card object for the given Microphone object | Name of Audio card objects registered in the system | Name of Audio card parent object | Depends on the number of Audio cards in the system. |
General group | ||||||
5 | Channel | Select from the list | Defines the number of the channel for the audio signal input in compliance with the RCA-F pin to which the microphone is connected. | Right, left channel | 0 | Depends on the type of audio signal digitization card. For AxxonSoft AD converters of the audio signal digitization cards and SoundBlaster type audio cards: 0 – Left channel. 1 – Right channel. |
6 | Line | Select from the list | Set the source of audio signal | Source type of audio signal | Microphone | Microphone – audio signal comes from the microphone. Phone – the audio signal comes from the telephone line. |
7 | Volume | Is set in the position | Defines the volume of the audio signal | Volume of the sound in Db | 24 | From 0 to 45 |
8 | Level | Automatically | Displays the volume of the incoming audio signal. | Volume of the sound in Db | - | From 0 to 45 |
| The Driver parameters group | ||||||
| 9 | Parameter | Automatically | Shows available parameters of IP device driver | - | - | Depends on the connected IP device. |
| 10 | Value | Select the value in the list | Sets values of IP device parameters | - | - | Depends on the connected IP device and parameter. |
| Outside groups | ||||||
| 11 | Audio delay | Select the value in the field using up and down arrows | Sets the delay in milliseconds between the receiving of an audio signal from the audio input device and its output to the speaker / recording to the archive synchronously with the video signal. This parameter is used if the video image comes delayed or advanced, and the sound goes ahead or behind of it. | Sequence of numbers | 0 | -10000 – 10000 |
AGC group (is set with the use of Olkha sound cards: «Olkha-9P», «Olkha-10LP», «Olkha-12U», «Olkha-14») | ||||||
12 | Enable | Is set by a check box | Enables automatic adjustment of audio signal volume | Boolean type | No | Yes – automatic adjustment of audio signal volume is enabled No – automatic adjustment of audio signal volume is disabled |
13 | Dynamic range | Is set in the position | Set the level of audio signal volume after the automatic adjustment | Sound volume in Db | 0 | From 0 to 45 |
14 | Time constant | Is set in the position | Defines the time period, during which audio signal is leveled to the required volume with automatic adjustment | Time in sec | 3 | From 0,1 to 6 |
Audio trigger | ||||||
15 | Level | Is set in the position | Set the volume of the sound, which exceeding leeds to auto recording of audio signal (registration of alarm) | Sound volume in reference units | -45 | -45 – audio trigger is on From -44 to 0 –audio trigger is off |
16 | Delay | Is set in the position | Defines the time period, during which the threshold of audio signal after the end of alarm is being performed | Time in sec | 3 | From 1 to 16 |
| Multicast | ||||||
| 17 | IP field | Enter the value in the field | Sets the IP address from which the client will receive the audio data from the ONVIF Server in the Multicast mode. | IP address | 224.0.0.10 | 224.0.0.0 - 239.255.255.255 |
| 18 | Port field | Enter the value in the field | Sets the port for transmitting the audio data in the Multicast mode. | Numbers | Depends on the number of cameras and streams in the system | Any valid non-busy port numbers. The number of ports is determined by the system administrator. |
*Name of the element is not displayed in the settings panel of the given object.
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