AI dido has other meaning in addition to Japanese AI voice synthesizer software. In some textbooks of linguistics or musicology, Aidi degree is used to represent the basic scale of vocal music. This scale consists of four basic tones: A, I, D and O. The initial tone A is the lowest tone, and then it rises in turn, and O is the highest tone, forming a complete extended scale sequence: A, I, D, O, ai, di, d O, ai, d O and A.
Besides being a pure digital code, Eddie can also be used in pop culture. For example, on the Internet, Eddie do is sometimes used to express an inexplicable, meaningless and absurd state or emotion. This can also explain why some online celebrities or entertainment stars use the word Eddie as the name or signature of their accounts on social media.