THE CENTER
Home
Mission
Staff
Directions

CENTER SERVICES
Outreach Program
Email Subscription
Advisory Council
Excess Property
Audio and Video Analysis

CENTER PROJECTS
Forensic Analysis
Counter-Terrorism
Less-Than-Lethal Technology
High-Speed Pursuit Task Force
Complex Incident Management
Surplus Computers
Computer Forensics

RESOURCES
Publications
Links

Synchronous Recording (constant acquisition intervals)

• Sampling frequency (guarantee detection) = 2 x highest event frequency
• Time lapse tape recorders sample 30 frames / sec. or les
  • 24 hour mode = 5 images / sec.
  • 120 hour mode = 1 images / sec.
  • 168 hour mode = 0.5 images / sec.
• Asynchronous Recording (random trigger)
  • Single frame collection
  • Timed continuous recording