Multi Channel Voice Logger
  • Number of channels is scalable up to 64. However, each module is of four channels. (Indicate   no. of channels required while ordering)
  • Modular construction
  • Easy installation and user-friendly software interfaces
  • Each Channel Bank is of four Channels
  • Compression Rate 64 KBPS to retain original voice. (Higher compression rates can be       provided)
  • Separate indication for every channel recording in pogress
  • Can be interfaced with wireless, telephone lines. Thus various types of voice signal inputs can   be fed to Voice Logger System simultaneously, allocating separate channel for each input
  • Records voice with date and time
  • Plays Voice by entering date and time
  • Plays any channel without interrupting recording of any other channel, including channel being   played
  • Has Ethernet port to get connected in computer network
  • Play Control is by any computer in the network
  • Record keeping can be done on CDs / Flash Memory 
  • Computer programmable selection of VOX, Pseudo calls or off hook calls
  • GSM / CDMA Interface for recording (Fixed Cellular / CDMA Terminal to be provided by the   buyer)
  • Recording remains uninterrupted even in case of defect in computer hardware and software   (where recording is in flash memory / dedicated hard disk) 
  • Play possible from every 4-channel module by using keyboard in stand-alone configuration   only
Channels Analog (In multiples of 4)
Voice coding methods 64 KBPS G.711 A/u law PCM
Record Trigger modes Parallel Off hook / VOX / Ring detection / Forced
Storage Capacity / Media 1600 Hrs in 40 GB hard disk provided to every four- channel module
Frequency Response 300-3400Hz +/- 3 dB
Analog Input 1. Impedance 600 Ohms or > 10 K Ohm 
2. Balanced or Unbalanced
Speaker Output Speaker (2W, 8 Ohm)
Signal to Noise Ratio Better than 40dB
Distortion Less than 3%
Cross Talk Better than 40dB
Recording Sensitivity Better than 40dBm
Power 230V, 50Hz, AC +/- 20%
Telephone Port (Balanced Line) RJ11
Unbalance Inputs Port DB25
PC Recording Port 10-BASE-T, RJ45, UTP
Display (In standalone Configure only) Four line 20 characters Alphanumeric LCD
Keyboard (In standalone Configure only) PS2 keyboard
Temperature Operating: -10° C to +55° C
Storage: -40° C to +70° C
Humidity 40° C, RH 95 % 


Basic module is for 4 - channels. Number of channels can be increased upto 256 as per requirement. Interconnection of all modules in one cabinet enables combined working of all modules i.e. combined recording, search and play of all audio channels. Each 4 - channel module is with dedicated hard disk. The attached computer will store the parallel data in its own hard disk. When for any reason computer Hard Disk does not take voice data, record can be called from dedicated hard disks of 4 - channel modules.

  • Multi Channel Voice Logger
Voice Loggers
PC Based Voice Logger
Embedded Voice Logger - Recording in Hard Disk without PC and Play by use of PC
Embedded Voice Logger - Stand Alone - Both Record and Play without computer
Distributed Voice Logging based Upon LAN / WAN
Multi Channel Voice Logger
E1 / PRI Logger

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