Spectrograms show Kosik's voice frequency when he makes human sounds is similar to his keeper's.
通过声谱图对比发现，科希克发出的声音频率与饲养员金中干的非常相似。
2
Then they ran those sound bites through various computer algorithms, running statistical analyses and drawing up spectrograms.
然后他们对这些音频进行了电脑计算，数据分析，并拟出了声谱图。
3
The pair used a signal-processing technique called the Radon transform to create spectrograms of a variety of audio clips, each just half a second long.