| 基于DSP的嵌入式汉语文语转换系统及其VLSI设计方案 |
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| 引用本文： | 戴礼荣,王仁华.基于DSP的嵌入式汉语文语转换系统及其VLSI设计方案[J].电子与信息学报,2003,25(7):865-870. |
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| 作者姓名： | 戴礼荣 王仁华 |
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| 作者单位： | 中国科技大学电子工程与信息科学系,合肥,230027 |
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| 基金项目： | 国家自然科学基金(批准号:69975018) |
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| 摘 要： | 简要讨论了嵌入式文语转换(ETTS)系统的概念.介绍了一个基于DSP实时实现的嵌入式汉语文语转换(ECTTS)系统.基于DSP实现的结果,分析了ECTTS系统的VLSI实现方案,提出了基于动态内存管理的ECTTS系统前端处理VLSI实现方案,基于解码语音帧的ECTTS系统后端合成VLSI实现框架并对ECTTS系统的VLSI实现中的存储器及总线结构进行了讨论.
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| 关 键 词： | 嵌入式文语转换 DSP VLSI 基音同步叠加 |
| 收稿时间： | 2002-1-14 |
| 修稿时间： | 2002年1月14日 |
An embedded Chinese text-to-speech system based on dsp and its VLSI design scheme |
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| Dai Lirong,Wang Renhua.An embedded Chinese text-to-speech system based on dsp and its VLSI design scheme[J].Journal of Electronics & Information Technology,2003,25(7):865-870. |
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| Authors: | Dai Lirong Wang Renhua |
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| Affiliation: | Dept. of Electron. Eng. and Info. Sci., Univ. of Sci. and Tech. of China, Hefei 230027, China |
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| Abstract: | The concept of Embedded Text-To-Speech (ETTS) system is first discussed. Then a real time realized Embedded Chinese Text-To-Speech (ECTTS) system based on DSP is introduced. Based on the DSP realization results, the VLSI design scheme of the ECTTS system is discussed. For the ECTTS system front-end processing, a VLSI design scheme based on the dynamic memory management is suggested. For the ECTTS system post-end processing, a VLSI design architecture based on the decoded speech frame is also proposed. The memory and the bus structure of the VLSI design of ECTTS system are discussed. |
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| Keywords: | Embedded text-to-speech DSP VLSI PSOLA |
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