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.

互联网

Double voice frequency signal: Every number is represented by two signals that are different in frequency.

双音频信号: 每个数字均由两个频率的信号叠加组成.

互联网