A Mandarin Dictation Machine Based Upon a Hierarchical Recognition Approach and Chinese Natural Language Analysis
Resource
IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE. VOL. 12. NO. I . JULY 1990
Journal
IEEE Transactions on Pattern Analysis and Machine Intelligence
Journal Volume
VOL.
Journal Issue
NO.
Pages
-
Date Issued
1990-07
Date
1990-07
Author(s)
Tseng, Chiu-Yu
Chen, K.J.
Huang, James
Hwang, Chia-Hwa
Ting, Pei-Yih
Lin, Long-Ji
Chen, C.C.
DOI
246246/200611150121461
Abstract
This correspondence describes the first experimental
Mandarin dictation machine developed in the world for the input of Mandarin speech (spoken Chinese language) into computers. Considering
the special characteristics of the Chinese language, syllables are
chosen as the basic units for dictation. The machine is designed based
on a hierarchical language recognition approach, in which acoustic signals
are first recognized as a sequence of syllables, possible word hypotheses
are then formed from the syllables, and the complete sentences
are finally obtained. This approach is implemented by two
subsystems. The first recognizes the syllables using speech signal processing
techniques, including the recognition of the finals, initials, and
tones of the syllables, respectively. Because every syllable can represent
many different characters with completely different meaning, and
can possibly form different multisyllabic words with syllables on its
right or left, the second subsystem then identifies the exact characters
from the syllables and corrects the errors in syllable recognition by
first forming all possible word hypotheses from the syllables then finding
out one combination of the word hypotheses which is grammatically
valid in a sentence. The detailed syllable recognition algorithms,
word formation rules, parser, grammar, and the syntactic checking
algorithms are described in the correspondence. Using everyday newspaper
text in the form of isolated syllables as input, the preliminary
test results indicate that such a dictation machine is not only practically
attractive, but technically achievable.
Subjects
Chart parser
hierarchical approach
Mandarin
Chinese
Chinese
natural language
speech recognition
syllables
syntactic
checking
checking
word hypotheses
Publisher
Taipei:National Taiwan University DEPT ELECT ENGN
Type
journal article
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