利用尼尔·阿姆斯特朗在登月全程和其后的讲话录音的档案资料，莱利和奥尔森还研究了美国航空航天局以往公布的阿波罗11号登月音频的最佳录音。

Using archive material of Neil Armstrong speaking, recorded throughout and after the mission, Riley and Olsson also studied the best recordings of the Apollo 11 mission audio ever released by Nasa.

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