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                            Library & Multimedia
 Voice Recognition Evaluation Report
NCJ Number
              202733

Author(s)
          Kevin Geib;
                        Laurie Marshall
Date Published

October 2003
Length
              54 pages
Annotation
              This study investigated and compared three voice translator units: the Phraselator, Voice Response Translator (VRT), and the Universal Translator (UT-103).
Abstract
              The study focused on each unit's performance capabilities, including operation within noisy environments, ease of use/learning, and other operational characteristics such as battery life. The Phraselator was part of the one-way translation effort of the Defense Advanced Research Projects Agency (DARPA); it covers medical and military phrases (search, checkpoint, and interrogation). The Universal Translator is a commercial system designed to provide translation capability in the contexts of transportation and other tourist-type interactions. It translates English into common European languages to address interactions that pertain to planes, luggage, rail, taxi, and restaurant-ordering phrases. The VRT is a system currently used by law enforcement and the Coast Guard. The phraseology covers search, questioning, and commands. After considering testing results and unit behavior during testing, the VRT was found to be the easiest to use and the least intrusive of the devices. The Phraselator ranked second, and the Universal Translator was found to be better suited for tourist travel. The main advantage of the VRT is the fact that no user intervention is required for operation. After turning on the unit and setting the phrase group (Coast Guard in the testing), the user simply talks to the unit. The VRT was the fastest unit, with response times of less than a second. The battery life for the VRT was greater than for the other two units. One disadvantage of the VRT is the absence of a "panic button" or mechanism to prevent the unit from broadcasting a phrase that had been incorrectly read. 38 tables, 1 figure, and appended out-of-the-box test results for Phraselator and response time tables for each unit
      
  
          Additional Details
Grant Number(s)
        2002-LB-R-045


  
  
        
  Agencies
        NIJ-Sponsored


  
  
        
  Publication Type
        Test/Measurement
                                Report (Technical)
    
  
  
Date Published: October 1, 2003
    
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