本文介绍了一个基于定点数字信号处理器ADSP2181的语音控制器，着重讨论了其语音特征参数计算方法。

Introduced in this paper is a speech controller based on fixed-point DSP ADSP2181, which adopts mel-scale frequency cepstrum coefficient as principal speech recogniti0n parameter.

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介绍了自适应回声消除器的基本结构及各个功能模块，例如：变阶数自适应滤波器，语音状态检测器，延迟分析器和NL MS算法控制器。

The structure of AEC as well as its composing modules, are introduced such as the speech detector, the adaptive filter, the time delay estimator and the NLMS algorithm controller.

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该电饭煲控制器模拟煮饭专家加热曲线对煮饭过程进行控制，具有多种煮饭模式，并实现了语音提示功能。

This controller imitates heat curve which coming from experienced cook to control the cooking process. Further more it has various rice-cooking mode and realizes the speech hint function.

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