Effect of task duration on voice recognition system performance
By: by John W. Armstrong and Gary K. Poock
Contributors: Poock, G. K.(Gary Kent), 1939-; Naval Postgraduate School (U.S.)
Publisher: Naval Postgraduate School
Published: 1981
Place of publication: Monterey, Calif
Language: eng
Number of pages: 64
Subjects: Speech Audiometry; Audiometry; Voice; Speech perception
Description: This report describes an experiment examining voice recognition performance when subjects were required to make a decision every 1.5 seconds for 20 consecutive minutes while speaking to a voice recognizer at the same time. Results showed mental loading degraded voice recognition performance. Results also showed performance degradation similar to a vigilance decrement over eight trials of 2.5 minutes each. (Author)
Notes: Title from cover.

"Prepared for: Naval Electronic Systems Command; Washington, D.C. 20360 "--Cover.

"September 1981"--Cover.

"NPS-55-81-017"--Cover.

Includes bibliographical references (p. 44-45).

"Approved for public release; distribution unlimited"--Cover.

Technical report; 1981.

Gutted record reput. 12/15/97. dln. Notis number: AAA7746XP