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Transportation Cockpit Voice Recorder

Home >> Communication Boards >> Transportation Cockpit Voice Recorder

Triggerable 6 min Audio Recorder
For after the fact
accident Investigations
       
Cockpit Recorder    

Triggerable Audio Recorder for Use in Accident Investigations.  Stores 6 Minutes of “Cockpit” Audio in Non Volatile Memory Array.  This Audio is Easily Retrievable at a Later Date.  Creates High Quality, Continuous 6 Minute Recording Until an Event, then Saves this for Playback at a Later Time.  Triggering to Save Audio is by Switch Closure or “Power Loss”.  Jumper Selectable Recording Loop Times of Up To 6 Minutes at 44,100 Samples per Second with 16 Bit Resolution.  Mono Audio Input and 8 Ohm Speaker Output with Adjustable Level Controls.  Designed for OEMs who build data systems for use aboard trains, buses, ferries, military vehicles, and other moving vehicles piloted by humans.

   

Features:

  • Audio is recorded with high quality on solid state memory
  • User control interface is switch closures and power
  • Stores up to 6 minutes of mono speech and/or sounds in nonvolatile memory with excellent audio quality
  • Sampling rates up to 44,100 SPS at 16 bit resolution – lower rates allow longer storage times or faster storage
  • Mono microphone input and single 8 Ohm speaker output, both via standard 1/8 inch mono audio plugs
  • Audio recording is continuous after record switch closure or power on until either a stop switch closure or power loss, audio recording then stops and audio is saved
  • Audio is saved in Non-Volatile on board memory.  This audio may be played back by a play switch closure or after a power loss, re-applying power and then play switch closure.
  • Parallel interface is switch closure or TTL/CMOS compatible – the board has pull ups on all switch input control signals
  • Audio recording commences on power application but even so, no previously saved data is lost unless another power loss or stop switch closure occurs
  • Two LED control signals provide users with operational status
  • Bypass mode allows microphone input volume setting and speaker output volume setting
  • Hardened Enclosures for Survivability can be supplied upon request

Applications:

  • Operator audio logging
  • Radio Communications recorder
  • Military systems
  • Aviation systems
  • Transportation systems
   
datasheet