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Title: Law Enforcement; Forensics: Audiotape Analysis
Description: The NIST real-time audiotape imaging system reveals where a write head (taping event) stopped as a series of smudges or streaks on a film strip. Investigators can then go back and take high resolution images to produce a 3D computerized rendering of smudges for more intensive analysis. This image shows audio test tone patterns on the upper right, and a write-head stop event on the left.

*EEEL, audio tape, tape recordings, FBI, forensic

See also http://www.nist.gov/public_affairs/releases/tape_analysis.cfm.
Subjects (names):
Topics/Categories: Electronics--Electromagnetics
Law Enforcement--Forensics
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Courtesy National Institute of Standards and Technology
AV Number: 04EEEL003
Date Created: October 26, 2004
Date Entered: 11/2/2004

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