| 114微机自动查号系统 |
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| 引用本文： | 周勇,王仁华,刘必成.114微机自动查号系统[J].中国科学技术大学学报,1987(3). |
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| 作者姓名： | 周勇 王仁华 刘必成 |
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| 作者单位： | 中国科学技术大学无线电电子学系
(周勇，王仁华)，中国科学技术大学无线电电子学系(刘必成) |
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| 摘 要： | 本文介绍了最近研制成功的114微机自动查号系统.该系统利用IBM-PC 机可迅速查询五万门电话中任一电话的号码.系统采用单位名的汉语拼音字首代码输入方法,且以此为基础,提出了多级二次散列快速检索法.它不仅速度快,而且避免了单位名信息的存贮,从而大大节省了机器内存.检索到的电话号码通过机内的语声合成器自动报给用户.合成器采用LPC 语音压缩技术,报号话音自然可懂.整个系统结构紧凑,造价便宜,便于推广.文中还讨论了该系统的进一步开发工作.
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| 关 键 词： | 微机查号 多级二次散列法 LPC语音合成 |
A 114 Microcomputer Directory Assistance System |
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| Zhou Yong Wang Renhua Liu Bicheng.A 114 Microcomputer Directory Assistance System[J].Journal of University of Science and Technology of China,1987(3). |
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| Authors: | Zhou Yong Wang Renhua Liu Bicheng |
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| Institution: | Department of Radio Electronics |
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| Abstract: | A recently developed 114 microcomputer directory assistance system isintroduced in this paper.Any of 50000 phone numbers can be quickly inquiredof the system based on an IBM-PC.In this system,the initial letter stringof the phone-unit name is used as input code.A multistage double hash sear-ching algorithm is designed,with this algorithm,there is no need to store theinformation about the unit name,hence the computer memory space required ismuch reduced besides the high searching speed.The phone number found isautomatically reported to phone user through a speech synthesizer in the compu-ter The LPC speech compression scheme is adopted in the synthesizer,andthe reporting voice is natural and understandable.As the whole system iscompacct,and inexpensive,it can be easily popularized. |
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| Keywords: | microcomputer retrieve multisrage double hash algorithm LPC speech synthesis |
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