Regrettably, the noise was depressed at the expense of speech distortion.

该方法噪声的抑制效果较好，但增强语音有失真。

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A pitch error resilience scheme was developed to reduce speech distortion through narrow band channels with high bit-error-rates.

为降低在窄带高误码率信道上语音传输的失真，针对基音参数提出了一种解码端抗差错算法。

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The informal listening tests show that there is little speech distortion for the enhanced speech processed by the proposed method, the background noise is reduced much and free of musical noise.

非正式试听表明重建语音失真较小，背景噪声大大降低，且没有音乐噪声。

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