而研究人员所使用的手机，其内置重力感应器采样率仅为100次每秒，因此他们并没有足够的数据来计算得到明确的密码。

The accelerometer in the phone the researchers used samples only 100 times a second, so they did not have enough data to determine the exact keys struck.

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编码器被设置为amr_nb，这是音频格式，采样率为8 KHz。

The encoder is set to the AMR_NB, which is an audio format, sampling at 8 KHz.

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soxmix 程序要求要组合的文件具有相同的数据类型和采样率。

The soxmix program requires that the files to be mixed together be the same data type and sample rates.

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