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Justice Technology Information Network, National Law Enforcement and Corrections Technology Center - A Program of the National Institute of Justice Call us at 800-248-2742 or email asknlectc@nlectc.org

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National Institute of Justice (NIJ)
The Office of Justice Programs' National Institute of Justice (NIJ) is the research and development agency of the U.S. Department of Justice. NLECTC is a program of NIJ's Office of Science and Technology.

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Call the NLECTC Information Hotline at 800-248-2742 or email asknlectc@nlectc.org.


Notice of Federal Funding and Federal Disclaimer


LEAF Forms

LEAF logo

The LEAF forms are available for downloading in the Adobe Acrobat (PDF) format.

Law Enforcement Demonstration Processing Form

[Processing Form]

To download the Law Enforcement Demonstration Processing Form, click on the link. It is an Adobe Acrobat document that must be printed and filled out by hand. Please complete the form and sign it, as it is required for our engineers to perform a technology demonstration on your data. Include the form with a COPY of your evidence tape OR schedule an appointment and accompany the evidence tape to our site so that we may make a copy in your presence for our processing purposes. Thank you for the opportunity to demonstrate our technologies to you.

Post Technology Demonstration Processing Form

[Post Analysis Survey]

To continue providing this service at no charge, it is essential to show time and cost savings resulting from our technology demonstrations and assistance. We need your help in order to obtain continued National Institute of Justice (NIJ) funding. Above is a link to our Post Technology Demonstration Survey. This survey emphasizes estimating investigative and court cost savings. All feedback is welcome as we strive to continue to provide the best resource to law enforcement and corrections that we can. Please fax or mail the post analysis survey form to (315) 334-4183, Law Enforcement Analysis Facility, 1300-B Floyd Avenue, Rome NY 13441-4105 upon receipt of our final technology report and your copy of the enhanced data. Your help in providing this information is greatly appreciated and will allow us to expand the technology demonstrations that we provide to you.

Speaker Identification Sample Sentences

[SID DB Sentences]

These sentences are available for those law enforcement or correction agencies that are seeking a demonstration of our Speaker Identification (SID) technology. In order to perform this demo it is necessary to build a database of known speakers to test against the known suspect and the unknown speaker. The optimum demonstration situation occurs if you can record 3+ second samples of known voices (i.e. 6-10 law enforcement officers that are the same race and gender as the suspect) on the same recording device as the unknown speaker. Establishing this analysis environment minimizes all external variables that might influence the results. The sentences listed in the document above are suggested content for recording the database of known speakers.

*Please be sure to refer to “The Rules” on the “How do I Utilize the LEAF?” page to verify that you qualify for a technology demonstration and to ensure that you have met the stipulations required by the LEAF.