SPEECH RECOGNITION BASED ON TOP-DOWN AND BOTTOM-UP PHONEME RECOGNITION.

被引：0
|
作者：
Matsunaga, Sho-ichi [1 ]
Shikano, Kiyohiro [1 ]
机构：
[1] NTT, Musashino, Jpn, NTT, Musashino, Jpn
来源：
Systems and Computers in Japan | 1986年 / 17卷 / 07期
关键词：
COMPUTER METATHEORY - Programming Theory - COMPUTERS; DIGITAL - Special Purpose Application;
D O I：
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摘要：
This paper discusses a speech recognition system which integrates the top-down and bottom-up phoneme recognitions. The system is based on the recognition of phonemes, where the top-down and bottom-up processings are combined using a table called a blackboard. In the proposed system, the linguistic processing and the acoustic processing are structured hierarchically. The two parts are combined through the black-board, avoiding duplicated processings in the same environment. It was observed that the recognition performance by the traditional top-down processing time is decreased to one-half or one-third in word recognition and less than one-fourth in minimal phrase recognition.
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页码：95 / 106
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