发明名称 |
Recognition dictionary system structure and changeover method of speech recognition system for car navigation |
摘要 |
A speech recognition system realizing large-vocabulary speech recognition at a low cost without deteriorating the rate of recognition and a recognition speed performance is provided with a dictionary change-over section for making a change-over between dictionaries to be subjected to speech recognition in accordance with dictionary change-over information, a first memory for storing a plurality of dictionaries, a second memory for storing one dictionary made an object of recognition, and a speech recognition section for performing a speech recognition processing, whereby speech recognition is performed while making a change-over between dictionaries, as required. For example, in a car navigation speech recognition system, the change-over between dictionaries is made for each area in accordance with position information.
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申请公布号 |
US6112174(A) |
申请公布日期 |
2000.08.29 |
申请号 |
US19970970109 |
申请日期 |
1997.11.13 |
申请人 |
HITACHI, LTD.;HITACHI MICROCOMPUTER SYSTEM LTD. |
发明人 |
WAKISAKA, SHINJI;ISHIWATARI, KAZUYOSHI;ITO, KOUJI;TOGE, TETSUJI;TANAKA, MAKOTO |
分类号 |
G10L15/00;G01C21/36;G06F17/28;G08G1/0969;G10L15/22;G10L15/26;G10L15/28;(IPC1-7):G10L15/04;G10L21/00 |
主分类号 |
G10L15/00 |
代理机构 |
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地址 |
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