The formant and corresponding bandwidth parameters result in a correct recognition rate of 98% in a small vocabulary mandarin speech recognition system.

把共振峰作为特征参数用于一个小词汇量的汉语语音识别系统中，识别正确率达到了98%。

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One possible solution is to artificially extend the signal bandwidth at the receiving end of telephone system by reconstructing the wideband speech.

一个可行且容易实现的方案就是在电话网络接收端通过重构宽带语音的方式来扩展电话信号的带宽。

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The essence of speech compression is to reduce the rate of digital voice in the case of assuring the quality of voice, therefore reducing the bandwidth occupied by speech signal.

语音压缩的实质就是在保证语音质量的情况下，降低数字化语音的数码率，从而减少数字化语音信号所占用的带宽。

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