Interviewer Technical Specifications

Recording
Recording capacity: Over 900 hrs.
Video/audio quality: Full-frame-rate video recording synchronized with high-quality audio recording
DVD video format: MPEG-2 1.2 Mbps (3h per DVD) to 3.3 Mbps (2h video per DVD)
DVD audio format: LPCM 16-bit 48KhZ
Export video and audio of interviews to DVR-MS format
Export interview audio to WAV and WMA file formats
Supported video standards: NTSC

Cameras
Primary suspect-view camera and room-overview cameras: Dome cameras with vari-focal lens for adjustment of zoom and three-axes adjustment for setting custom position of the camera angle. High-resolution color camera with 700 lines at 0.0003 lux.
Concealed camera option:
Concealed room-overview camera: Smoke detector high-resolution hidden camera with realistic smoke detector enclosure including working red LED light. High-resolution color camera with 600 lines at 0.5 lux and 3.7mm focal length for wide angle overview of interview  room.

Concealed suspect-view camera: Covert thermostat with high-resolution hidden camera. High-resolution color camera with 700 lines of resolution at 0.0001 lux low-light rating and 3.6mm focal length with 90 degrees maximum field of view.

Microphones
Microphones: Two Crown PZM-11LL microphones wall-mount microphones, resembling light switches, provide stereo, low-impedance, balanced audio for clear audio recording without hum pickup or high-frequency loss even for long cable runs.

One-touch recording and monitoring hardware
Remote recording activation: Pushbutton with integrated recording indicator light mounted on stainless wall plate.
Picture
Activation option: Key-enabled switch with indicator LED light.
Remote recording status indicator: Red LED recording indicator light mounted on stainless wall plate.

This indicator light is typically placed in the room so you know the system is recording as you conduct an interview.

Recorder
Turnkey PC-based recording system
Operating System: Windows 7 Professional 64-bit DSP
Video Storage Hard Drive Array: RAID 1 (mirrored) fault-tolerant array of two 2TB 3.5 SATA 6G 7200 drives, hot swappable, seen by system as a single 2 TB drive
Optical: DVD-RW Dual Layer SATA Drive
USB Keyboard and USB Optical Mouse
Audio capture: Balanced and unbalanced
Primary video capture: Composite NTSC
Picture-in-Picture video capture: Composite NTSC 
Audio output: Integrated High-Definition Audio
Speakers: Quality stereo speakers
Headphones: Full-ear
Display: 24" flat panel display (other options available)

Network viewing
Remote monitoring of live interviews via web browser from any PC on your local network. Maximum simultaneous viewers per room: Ten
Streaming bandwidth: 800 K bits/second

Evidence Authentication
Visible video watermarks: Date and time, agency name, interview room, and authentication code.
Authentication code