Download Voice Recognition Evaluation Report

7 October 2003
TABLE OF CONTENTS
Introduction .................................................................................................................................................... 4
Unit Components ........................................................................................................................................... 5
Voice Response Translator Components ................................................................................................... 5
VRT Unit 1: ........................................................................................................................................... 5
VRT Unit 2: ........................................................................................................................................... 6
Phraselator components: ............................................................................................................................ 6
Universal Translator ................................................................................................................................ 6
Unit Capabilities ............................................................................................................................................ 7
VRT............................................................................................................................................................ 7
Phraselator.................................................................................................................................................. 9
Universal Translator .............................................................................................................................. 10
Unit Testing Results..................................................................................................................................... 12
Out of the Box.......................................................................................................................................... 12
Noise testing............................................................................................................................................. 13
VRT...................................................................................................................................................... 14
Phraselator............................................................................................................................................ 16
Universal-Translator ......................................................................................................................... 18
Battery Life Testing ................................................................................................................................. 21
VRT...................................................................................................................................................... 21
Phraselator............................................................................................................................................ 21
Universal Translator .......................................................................................................................... 21
Conclusion ................................................................................................................................................... 21
VRT.......................................................................................................................................................... 22
Phraselator................................................................................................................................................ 22
Universal Translator .............................................................................................................................. 22
Appendix A, Out of the Box Test Results for Phraselator........................................................................... 23
Appendix B Response Time Tables............................................................................................................. 46
VRT Response ......................................................................................................................................... 46
Phraselator................................................................................................................................................ 46
UT-103 ..................................................................................................................................................... 50
LIST OF TABLES
Table 1. Language Features and Operational Parameters.......................................................................... 5
Table 2. General Unit Characteristics ......................................................................................................... 5
Table 3. VRT Ambient Noise Test Results............................................................................................... 14
Table 4. VRT Ambient Noise Test % Correct .......................................................................................... 14
Table 5. VRT Pink Noise Test …………………………………………………..................................... 14
Table 6. VRT Pink Noise Test % Correct ……………………………………...................................... 15
Table 7. VRT White Noise Test Results …………………………………….......................................... 15
Table 8. VRT White Noise Test % Correct ……………………………………...................................... 15
Table 9. Phraselator Ambient Noise Level Test………………………………....................................... 16
Table 10.Phraselator Ambient Noise % Correct ………………………………....................................... 16
Table 11. Phraselator Pink Noise Test Results …………………………….............................................. 17
Table 12. Phraselator White Noise Test % Correct ……………………………...................................... 17
This document is a research report submitted to the U.S. Department of Justice.
This report has not been published by the Department. Opinions or points of view
expressed are those of the author(s) and do not necessarily reflect the official
position or policies of the U.S. Department of Justice.
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