Voice recording system AR2000
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- Voice recording system AR2000
Voice Recording System AR2000 is intended for recording, storing and playback of audio data transmitted via:
- analogue subscriber communication lines;
- digital subscriber lines (Siemens, Meridian, Alcatel etc., in compatible protocol);
- Ethernet channels (VoIP), E1 lines.
AR2000 can be used in 24/7 mode and is installed iin the stationary heated premises.
Detailed information
Functions of AR2000
- reception and difitisation of audio data from up to 16 subscriber channels via A-380 adapter;
- reception of digital audio data from up to 16 subscriber channels via A-381 adapter;
- reception of audio data in VoIP digital format via Ethernet;
- reception of digital audio data from E1 channels via E1 adapter (4 lines of 30 channels);
- data recording, archiving and storin in digital format in the internal archive;
- activation of recording for each channel: continuous mode or by exceeding the threshold level;
- automatic deletion of "old" recordings;
- ability to copy selected channels to removable media;
- interfacing and synchronization with master time system;
- ability to install additional equipment for duplicated data recording, automatic application of recording settings and other parameters on the backup set;
- system authorized access capability, transmission of recorded data over Ethernet;
- automatic identification and access documentation to AR2000 data;
- automatic synchronization of system settings, access rights and user registration on all system sets;
- protection of input circuits by voltage and current;
- protecting the software against unintentional deletion by service personnel;
- control and management of recording modes, playback of recorded data is performed from a remote operator working position (via Ethernet).
Audio channel
|
Parameter |
Value |
|
Number of channels |
up to 1024 |
|
Channel bandwidth |
16; 32; 64 Kbit/s |
|
Frequency response |
300 Hz - 3400 Hz ± 3dB |
|
Record time |
24/7 all channels |
|
Input resistance |
>30 kΩ |
|
Input sensitivity |
from -35 dBm up to + 10 dBm |
|
Signal/noise ratio |
usually - 50 dB |
|
Crosstalk |
usually - 50 dB |
Playback
| Parameter | Value |
| Search parameters |
date and time of record beginning, channel number and name |
| Average access time | less than 1 s |
| Audio systems | 4 W, 8Ω |
| Headphones | maximum 200 mW, 32Ω |
| External output | rated 1 V |
Main characteristics