TESTING THE EFFECTIVE VOCABULARY CAPACITY METHOD OF EVALUATING SPEECH RECOGNIZERS
- Authors
- Corporate Authors
- Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
- Abstract
- The performance of isolated-word speech recognizers is typically measured using error rates. To obtain reliable error rate estimates for good recognizers can require many thousands of subject utterances, and, the better the recognizer, the more sensitive the error rate is ot the actual challenge vocabulary and the skill of the talker. The Effective Vocabulary Capacity (EVC) is the maximum vocabulary that a recognizer can in principle handle at a given error rate. It relies on measures that are relatively independent of the challenge vocabulary and that require only tens or hundres of test utterances. The EVC algorithm is tested with both synthetic and real recognizer data.
- Keywords
- EFFECTIVE VOCABULARY CAPACITY (EVC)
- Report Number
- DCIEM-90-17 — Reprint; Research Paper
- Date of publication
- 01 Jan 1990
- Number of Pages
- 12
- Reprinted from
- Speech Communication, vol 9, no 4, 1990, p 337-347
- DSTKIM No
- 94-03091
- CANDIS No
- 136018
- Format(s):
- Hardcopy;Originator's fiche received by DSIS
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