The Effects of Syntactic Analysis on Word Recognition Accuracy

Research output: Contribution to journalArticle

Abstract

In this paper we examine the effects of an algorithm for syntactic analysis on word recognition accuracy. The behavior of the algorithm is studied by means of a computer simulation. We describe the syntactic analysis technique, the problem domain to which it was applied, and the details of the simulation. We then present the results of the simulation and their implications. We find, for example, that an acoustic word error rate of 10 percent is reduced to 0.2 percent after syntactic analysis, resulting in a sentence error rate of 1 percent. These figures are based on a 127‐word vocabulary and an average of 10.3 words per sentence for 1000 sentences. We expect that these results are indicative of the performance which will be attained by a real speech recognition system which uses the syntactic analysis algorithm described herein.

Original languageEnglish (US)
Pages (from-to)1627-1644
Number of pages18
JournalBell System Technical Journal
Volume57
Issue number5
DOIs
StatePublished - Jan 1 1978
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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